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Audi A4 Engine ReplacementCompare Prices & Save

Get quotes today from trusted UK Audi A4 engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available.

Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Audi A4 2.0 TDI Diesel Engines - from £1,200 to £3,500

-> Rebuilt units from £1,200 · Common codes: CAGA, CFFB, CNHA, DEUA

Audi A4 2.0 TFSI Petrol Engines - from £1,400 to £4,200

-> Rebuilt units from £1,400 · Common codes: CAEB, CYRB, DKZA, CZDA

Audi A4 3.0 TDI V6 Engines - from £2,500 to £6,500

-> Rebuilt units from £2,500 · Common codes: CLAB, CCWA

UK

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How It Works

3 Simple Stepsto Finding the Best Audi A4 Replacement Engine

Get Instant Quotes from Audi Engine Specialists Across the UK - 100% free, no obligation. Most replacements completed within 3-5 days.

Most replacements completed within 3-5 days.

12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers
Live UK Engine Market Data

What Are UK Drivers Paying for Audi A4 Engine Replacement?

Compare typical UK rebuilt Audi A4 engine costs by variant - see failure causes, engine codes, fuel types and supply-only price ranges for affordable replacement.

Audi A4 live market price reference
Average Market Prices
  • Audi A4 (B9) 2.0 TDI ultra SE2015-2019£1,500-£3,400
    Injector failure
    DEUADiesel 2.0L
  • Audi A4 (B9) 2.0 TDI S line2019-2023£1,800-£4,000
    EGR valve failure
    CNHADiesel 2.0L
  • Audi A4 (B9) 1.4 TFSI SE2016-2019£1,100-£2,400
    Coolant loss head gasket
    CZDAPetrol 1.4L
  • Audi A4 (B9) 2.0 TFSI Sport2015-2019£1,600-£3,800
    Oil consumption fix
    CYRBPetrol 2.0L
  • Audi A4 (B8) 2.0 TDI SE2008-2015£1,200-£2,800
    EGR cooler failure
    CAGADiesel 2.0L
  • Audi A4 (B8) 2.0 TDI Sport2008-2015£1,300-£3,000
    DPF regeneration fault
    CFFBDiesel 2.0L
  • Audi A4 (B8) 2.0 TFSI S line2008-2015£1,400-£3,200
    Timing chain stretch
    CAEBPetrol 2.0L
  • Audi A4 (B8) 3.0 TDI quattro2008-2015£2,500-£5,200
    Turbo oil seal leak
    CLABDiesel 3.0L
Last updated: 22 May, 14:59

Customer Reviews

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Models We Cover

Audi A4 Engine ReplacementAll Variants Covered

From the economical 1.4 TDI SE to the high‑performance 45 TFSI e quattro, compare rebuilt, reconditioned and used engine prices across the full Audi A4 range with our network of UK Audi A4 engine specialists. Typical rebuilt unit price range £1,100-£5,200 with 12‑month warranty - supply & fit available nationwide.

Core Diesel Range

Core Petrol Range

Performance & Specialist Range

Variant Directory

All Audi A4 Variants - Engine Replacement Coverage

A full alphabetical listing of every Audi A4 trim covered by our network. All entries link to a dedicated variant page, where prices are further broken down by engine code, model year, and condition type. Click a live link to compare quotes.

Diesel Variants

1.4 TDI SE1.4 TDI Sport2.0 TDI SE2.0 TDI Sport2.0 TDI S line2.0 TDI Black Edition2.0 TDI ultra SE2.0 TDI ultra Sport2.0 TDI ultra S line2.0 TDI Avant SE2.0 TDI Avant Sport2.0 TDI Avant S line2.0 TDI Allroad3.0 TDI quattro SE3.0 TDI quattro Sport3.0 TDI quattro S line3.0 TDI Avant quattro3.0 TDI Allroad quattro35 TDI MHEV SE40 TDI MHEV Sport40 TDI MHEV S line40 TDI MHEV Avant Sport40 TDI MHEV Allroad quattro

Petrol Variants

1.4 TFSI SE1.4 TFSI Sport1.4 TFSI S line2.0 TFSI SE2.0 TFSI Sport2.0 TFSI S line2.0 TFSI Black Edition2.0 TFSI Avant SE2.0 TFSI Avant Sport2.0 TFSI Avant S line2.0 TFSI quattro Sport2.0 TFSI quattro S line35 TFSI MHEV SE40 TFSI MHEV Sport40 TFSI MHEV S line45 TFSI quattro MHEV S lineHybrid & Eco Variants45 TFSI e plug-in hybrid50 TFSI e quattro plug-in hybridg-tron 2.0 TFSI CNG40 TDI MHEV S line quattro45 TFSI MHEV quattro S line
Engine Codes

Audi A4 Engine CodesFull Technical Specifications & Replacement Guide

Every engine code fitted to the Audi A4 across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.

Diesel Engines

Extracted from detailed diesel engine families across Audi A4 variants.

Petrol Engines

Extracted from detailed petrol and performance engine families across Audi A4 variants.

Hybrid / Electrified Engines

Extracted from electrified powertrains and hybrid engine families used in Audi A4 variants.

Can't find your engine code?

Can't find your engine code? Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Audi A4 engine specialists. Every rebuilt engine comes with a minimum 12‑month unlimited mileage warranty.

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Common Problems

Audi A4 Engine Problems
What It Costs to Fix & When Replacement Makes Sense

Affected Models

Audi A4 2.0 TFSI Sport, S line, Black Edition (2008-2012, CAEB & early CYRB codes)

Typical Failure Mileage

60,000 - 100,000 miles

Root Cause

Early EA888 Gen 2 engines used a weak hydraulic tensioner and thin plastic chain guides. Oil pressure fluctuations cause the tensioner to lose preload, allowing the chain to stretch, rattle, and eventually skip timing.

Minor - Preventative Chain Kit & Tensioner Upgrade
Dealer
£950 - £1,350
Specialist
£650 - £900

Fitting revised tensioner, upgraded metal guides, new chain and sprockets before catastrophic failure.

Restores timing integrity; viable only if the chain has not yet jumped.
Full Replacement - Rebuilt EA888 Engine
Dealer
£4,800 - £6,200
Specialist
£1,900 - £2,900

Complete strip and rebuild with updated piston rings, strengthened short block, revised timing assembly, bench-tested and ready to install.

Permanent solution; eliminates timing risk and addresses secondary wear.
Our Recommendation
Best next step for audi a4 timing chain failure

If you hear a metallic rattle on cold start, replace the timing chain kit immediately before metal debris contaminates the oil pump. Once the chain has jumped timing or caused valve contact, the Audi A4 timing chain failure demands a full Audi A4 engine replacement to avoid collateral damage to the cylinder head and ancillaries.

Compare rebuilt CAEB Audi A4 engine prices for exact fitment

Don't Let Engine Failure Write Off Your Audi A4

Whether you're dealing with an Audi A4 timing chain failure, persistent oil burn, or a seized turbo, piecemeal repairs rarely offer long-term value on higher-mileage units. EngineMarket connects you directly with vetted UK specialists who stock upgraded rebuilt engines designed to outperform factory specifications. Every unit undergoes bench testing, includes a minimum 12‑month unlimited mileage warranty, and is available for nationwide delivery or local supply and fit. Compare transparent Audi A4 engine replacement prices from multiple certified rebuilders today and get your vehicle back on the road without the main dealer premium.

Compare Audi A4 Engine Replacement Prices Now →

Disclaimer: All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EngineMarket’s UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Audi A4 and engine code. Every engine supplied through EngineMarket carries a minimum 12‑month unlimited mileage warranty - always confirm exact terms with your chosen supplier.

12-Month Warranty
Upgraded Components
Nationwide UK Delivery
Save vs Main Dealer Price
Replacement Engine Options

Audi A4 Engine TypesOptions, Costs & What to Expect

Every engine type is available through our UK network with typical price ranges based on your audi a4 variant, engine code and budget.

Reconditioned
Audi A4 Reconditioned Engines (Recon)

Inspected and refreshed units with critical worn parts replaced, ready for reliable daily driving across b8 and b9 audi a4 chassis.

Typical price range
£1,100 - £2,800
(supply only)
Suitability varies by engine code and mileage history.
Compare reconditioned Audi A4 engine prices
Reconditioned

Reconditioned audi a4 engines undergo multi-point inspection with key wear items like seals and gaskets refreshed for dependable performance.

  • Ideal for budget-conscious audi a4 owners needing a reliable replacement engine fast.
  • Common codes like caga, cffb and deua are widely supported across our network.
  • All units include a minimum twelve-month unlimited mileage warranty coverage.
Rebuilt
Audi A4 Rebuilt Engines

Stripped and machined engines with upgraded components addressing known issues like timing chains and oil consumption.

Typical price range
£1,300 - £3,400
(supply only)
Rebuild scope varies; confirm upgraded parts with your chosen specialist.
Get rebuilt Audi A4 engine quotes
Rebuilt

Rebuilt audi a4 engines are stripped to the block, machined to tolerance, and fitted with upgraded parts to resolve common ea888 and tdi failures.

  • Addresses timing chain tensioner and piston ring issues on pre-twelve tfsi units.
  • Suitable for b8 and b9 variants with high-mileage or failure-prone engine codes.
  • Bench-tested before dispatch with full documentation and warranty included.
Used
Audi A4 Used Engines

Sourced from low-mileage donor vehicles, tested and verified for basic function before supply to budget-focused buyers.

Typical price range
£600 - £1,800
(supply only)
Mileage and history vary; compression test recommended before purchase.
Check used Audi A4 engine availability
Used

Used audi a4 engines come from verified donor cars, offering the lowest upfront cost for temporary fixes or short-term ownership scenarios.

  • Best for older b8 chassis audi a4 or vehicles with limited remaining service life.
  • Request compression and leak-down test results to assess internal condition.
  • Warranty terms are shorter; confirm coverage details with your supplier first.
Remanufactured
Audi A4 Remanufactured Engines

Zero-hour factory-spec rebuilds with all components renewed to oem tolerances for maximum longevity and performance.

Typical price range
£1,800 - £4,500
(supply only)
Premium option; confirm oem-spec certification and warranty terms before ordering.
Compare remanufactured Audi A4 engine costs
Remanufactured

Remanufactured audi a4 engines are rebuilt to zero-hour factory specification with every component renewed or replaced for like-new reliability.

  • Ideal for high-value b9 s line or quattro variants where longevity matters most.
  • Includes upgraded parts addressing known failures like egr coolers and injectors.
  • Full dyno testing and oem-level documentation provided with every unit supplied.
Refurbished
Audi A4 Refurbished Engines

Cosmetically refreshed and mechanically checked units offering a balance between cost and reliability for everyday use.

Typical price range
£900 - £2,400
(supply only)
Refurbishment level varies; request a detailed scope of works before committing.
View refurbished Audi A4 engine options
Refurbished

Refurbished audi a4 engines receive cosmetic refresh and essential mechanical checks, providing a mid-tier option between used and fully rebuilt units.

  • Suitable for caga, cffb and cyrb codes where minor wear is the primary concern.
  • Faster turnaround than full rebuilds; ideal when time is a critical factor for your audi a4.
  • Confirm which components were replaced and request test documentation before purchase.
Supply & Fit
Audi A4 Supply & Fit Engines

Complete engine replacement service including collection, installation, calibration and post-fit testing at a specialist garage.

Typical price range
£400 - £800 added to engine price
Labour cost varies by location and variant complexity; get a fixed quote first.
Find Audi A4 engine supply & fit deals
Supply & Fit

Supply and fit audi a4 service includes engine collection, professional installation, ecu adaptation and road testing by vag-trained specialists.

  • Removes installation risk for complex b9 audi a4 electronics and emissions systems.
  • Includes ancillary refresh like mounts, hoses and belts where recommended for your variant.
  • Nationwide network ensures local fitting options with consistent warranty coverage.

All engine types include a minimum 12‑month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific Audi A4 within hours.

Engine Sizes

Audi A4 Engines by SizeFind the Right Displacement for Your Variant

Every displacement officially fitted to the Audi A4 is listed below, with compatible engine codes, production years and model-specific failure notes to help you verify your exact unit.

Audi A4 Diesel Engine Sizes

The 2.0-litre common-rail TDI is the undisputed backbone of the Audi A4 diesel lineup, powering the vast majority of B8 and B9 generations sold across the UK. Renowned for strong low-end torque and refined highway cruising, this efficient unit was offered in multiple states of tune to balance fleet economy with premium performance expectations. Its widespread use in company cars and private saloons has created a robust aftermarket network for reliable replacement options.

Engine Code(s)CAGA, CFFB, CAHA, CNHA, DEUA
Compatible Models (UK)B8 SE/Sport/S line/Avant (2008-2015), B9 35 TDI/40 TDI/Ultra/S line
Production Years2015-2023
Common Failure Points
Watch for these known weak points

EGR cooler fracture from thermal stress, DPF blockage due to short-trip driving, early-generation timing belt tensioner wear

Get quotes for Audi A4 2.0L diesel engines

Not sure which engine size your Audi A4 needs? Enter your registration number above - we’ll identify the exact displacement, engine code and compatible replacement options instantly. All engines supplied through EngineMarket include a minimum 12‑month unlimited mileage warranty from UK Audi A4 specialists.

Audi A4 Engines Fuel Type

Audi A4 Engines by Fuel Type

Choose your Audi A4 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early B8 2.0 TDI to the latest B9 45 TFSI e plug‑in hybrid.

Audi A4 Diesel Engines
Audi A4 Diesel Engines

The 2.0L and 3.0L TDI common‑rail diesels dominate Audi A4 replacement enquiries across B8 and B9 generations, prized for motorway efficiency but prone to EGR, DPF and emissions‑system failures at higher mileage.

Common Engine Families
CAGA/CFFB - 140hp 2.0 TDI (B8 SE/Sport), high‑volume fleet engines with EGR cooler vulnerability
CAHA/CNHA - 170‑190hp 2.0 TDI (B8/B9 Sport/S line), refined output but DPF regeneration sensitivity
DEUA - 150hp ultra‑efficiency 2.0 TDI (B9), balanced economy yet susceptible to short‑trip DPF clogging
CLAB/CCWA - 245hp 3.0 TDI V6 (quattro/Allroad), premium power with complex turbo and emissions hardware
Found In
B8 Saloon/Avant (2008‑2015) - CAGA, CFFB, CAHA, CLAB
B9 Saloon/Avant/Allroad (2015‑2023) - CNHA, DEUA, CCWA, 40 TDI MHEV
Known For
Strong motorway fuel economy and low‑end torque for effortless cruising
EGR cooler fracture and coolant loss between 70k‑110k miles on 2.0 TDI units
DPF regeneration faults on urban‑driven examples requiring active motorway use
Highest UK replacement demand on 2.0 TDI 140‑190hp variants across fleet and private ownership
Typical Models (UK)
2.0 TDI SE
2.0 TDI Sport
2.0 TDI S line
2.0 TDI ultra
3.0 TDI quattro
40 TDI MHEV Avant
Get quotes for Audi A4 Diesel replacement engines

Not sure which fuel type your Audi A4 has? Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12‑month unlimited mileage warranty from UK Audi A4 specialists.

Engine Years

Audi A4 Engines by YearWhat Was Fitted & When

The Audi A4 engine timeline covers every major powertrain update from the B8 launch to the current mild-hybrid B9.5 generation, organised so owners can quickly identify their exact year-specific unit and compare rebuilt engine prices from UK specialists.

2007 - 2011 - B8 Platform Launch & Common-Rail TDI Debut
Major Platform Change
The B8 generation replaced the heavy B7 architecture with a lighter chassis and introduced the ubiquitous 2.0 common-rail TDI that would dominate UK fleet sales for a decade.
Key Changes
MLB predecessor platform debut with saloon and Avant body styles
First widespread application of 2.0 TDI common-rail injection in the A4 lineup
EA888 Gen 2 TFSI replaces older fuel-stratified petrol units
Quattro system updated with crown-gear centre differential for improved weight distribution
Known For
Exceptional motorway refinement and class-leading cabin acoustic insulation
High company car adoption drives massive aftermarket replacement supply and competitive pricing
Pre-2012 EA888 Gen 2 TFSI exhibits timing chain tensioner vulnerability and oil burn
Early DPF systems show regeneration sensitivity on urban-driven, short-journey examples
Main Engines
CAGA - 2.0L Diesel (Audi A4 SE/Sport 140hp)
CAHA - 2.0L Diesel (Audi A4 Sport/S line 170hp)
CAEB - 2.0L Petrol (Audi A4 TFSI Sport 211hp)
CAPA - 3.0L Diesel (Audi A4 quattro/S line 245hp)
Engine Codes Covered
CAGACAHACAEBCAPACDNCCAHB
Popular Models
Audi A4 2.0 TDI SE
Audi A4 2.0 TDI Sport
Audi A4 2.0 TFSI S line
Audi A4 3.0 TDI quattro
Audi A4 2.0 TDI Avant
Common Replacement Enquiries
Audi A4 2008 engine replacement
CAGA 2.0 TDI rebuild cost
EA888 Gen 2 timing chain fix
B8 DPF regeneration fault
Get quotes for 2007-2011 Audi A4 replacement engines
Year Finder
Not sure which year your Audi A4 was built?

Not sure which year your Audi A4 was built? Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a minimum 12‑month warranty from UK Audi A4 specialists.

Find My Engine

FAQ

Audi A4 Engine ReplacementFrequently Asked Questions

Question 1

How much does an Audi A4 engine replacement cost in the UK?

Audi A4 engine replacement costs typically range from £1,100 to £4,500 supply-only, depending on engine code, variant and rebuild type. The ubiquitous 2.0 TDI diesel (CAGA, CFFB) sits at the lower end, while 2.0 TFSI petrol (CAEB, CYRB) and 3.0 TDI V6 units command higher prices due to complexity and specialist demand.

Key points

  • • Rebuilt 2.0 TDI engines typically cost £1,200-£3,400 supply-only across UK specialists
  • • EA888 petrol units (CAEB, CYRB) range £1,400-£3,800 due to timing chain upgrades
  • • Supply and fit labour adds £400-£800 depending on location and variant complexity
  • • Prices include minimum 12-month unlimited mileage warranty from vetted UK specialists
Compare Audi A4 engine replacement prices from UK specialists today

Question 2

What engine codes are compatible with my Audi A4?

Compatible Audi A4 engine codes depend on your chassis generation (B8: 2008-2015, B9: 2015-present) and fuel type. Key diesel codes include CAGA, CFFB, CNHA, DEUA; petrol codes include CAEB, CYRB, DKZA, CZDA. Always verify via your VIN or registration to guarantee ECU and emissions compatibility before ordering.

Key points

  • • B8 generation (2008-2015) commonly uses CAGA, CFFB diesel and CAEB petrol codes
  • • B9 generation (2015-present) features CNHA, DEUA diesel and CYRB, DKZA petrol units
  • • Engine codes must match chassis calibration for ECU, DPF and AdBlue system compatibility
  • • Enter your registration above to instantly verify the exact engine code for your Audi A4
Get quotes for your exact Audi A4 engine code match

Question 3

What problems do Audi A4 engines commonly have?

Audi A4 engines most frequently suffer timing chain tensioner wear on pre-2012 EA888 petrol units, excessive oil consumption on EA888 Gen 3 engines, and EGR cooler leaks or DPF faults on 2.0 TDI diesels. These issues are well-documented across UK owner forums and drive the majority of replacement enquiries for B8 and B9 generation models.

Key points

  • • Pre-2012 EA888 TFSI engines (CAEB) prone to timing chain tensioner failure at 60k-100k miles
  • • EA888 Gen 3 petrol units (CYRB, DKZA) exhibit oil consumption from narrow piston ring drains
  • • 2.0 TDI diesels (CAGA, CFFB, CNHA) commonly experience EGR cooler fracture and DPF blockage
  • • Rebuilt engines from our network include upgraded components addressing these known failure points
Find rebuilt Audi A4 engines with failure-point upgrades included

Question 4

Which Audi A4 engine is the most reliable to buy?

For reliability, late B9 2.0 TDI units with CNHA or DEUA codes (2019-2023) offer the strongest track record, benefiting from refined emissions hardware and improved calibration. Among petrol options, post-2012 EA888 Gen 3 engines (CYRB, DKZA) resolved early timing chain concerns, though regular oil changes remain critical for longevity.

Key points

  • • CNHA/DEUA 2.0 TDI engines (B9, 2019-2023) show lowest failure rates in UK owner surveys
  • • EA888 Gen 3 petrol codes (CYRB, DKZA) fixed pre-2012 timing chain tensioner design flaws
  • • Avoid pre-2012 CAEB TFSI units unless timing chain kit has been professionally upgraded
  • • Full service history and documented oil changes significantly extend lifespan across all Audi A4 engines
Compare reliable Audi A4 engine options with verified service history

Question 5

Is it worth rebuilding my Audi A4 engine or should I replace it?

For most Audi A4 owners, replacing with a rebuilt engine offers better long-term value than repairing individual components, especially when known failure points like timing chains or EGR coolers are involved. A quality rebuilt unit includes upgraded internals, bench testing, and a 12-month warranty - often costing less than cumulative repair bills on high-mileage examples.

Key points

  • • Rebuilt Audi A4 engines include upgraded components addressing original design weaknesses
  • • Supply-only rebuilt units typically cost £1,100-£4,500 versus £2,000+ for piecemeal major repairs
  • • All engines from our network carry minimum 12-month unlimited mileage warranty for peace of mind
  • • Replacement preserves vehicle value and avoids repeated downtime from sequential component failures
Get quotes for rebuilt Audi A4 engine replacement versus repair costs

Question 6

What warranty comes with an Audi A4 replacement engine?

Every Audi A4 replacement engine supplied through EngineMarket includes a minimum 12-month unlimited mileage warranty from vetted UK specialists. Coverage typically includes parts and labour for manufacturing defects, with options to extend. Always confirm exact terms with your chosen supplier, as warranty scope can vary between reconditioned, rebuilt and remanufactured units.

Key points

  • • Minimum 12-month unlimited mileage warranty standard across all EngineMarket network suppliers
  • • Warranty covers parts and labour for manufacturing defects on rebuilt and remanufactured units
  • • Reconditioned and used engines may carry shorter or conditional warranty terms - verify before ordering
  • • Keep all service records and installation documentation to maintain warranty validity on your Audi A4
Compare Audi A4 replacement engines with full warranty coverage included

Question 7

How long does an Audi A4 engine replacement take?

Audi A4 engine replacement typically takes 2-5 working days from order to collection, depending on engine code availability and whether you choose supply-only or supply and fit. Common 2.0 TDI codes (CAGA, CFFB) often ship next-day, while specialist units like 3.0 TDI V6 or PHEV variants may require 3-5 days for calibration matching and bench testing.

Key points

  • • Supply-only rebuilt engines for common Audi A4 codes often dispatch within 24-48 hours
  • • Supply and fit service adds 1-2 days for garage scheduling, collection and professional installation
  • • Complex variants (quattro, PHEV, Allroad) may require additional calibration time for ECU adaptation
  • • Nationwide delivery available; many specialists offer collection and return service for your Audi A4
Check live availability and delivery times for your Audi A4 engine code

Question 8

Can I use E10 fuel in my Audi A4 engine?

Most Audi A4 petrol engines from 2010 onwards are E10 compatible, including EA888 Gen 3 TFSI units (CYRB, DKZA). Earlier CAEB engines (pre-2012) and all 2.0 TDI diesel variants (CAGA, CFFB, CNHA) remain unaffected as E10 applies to petrol only. Verify compatibility via your VIN on the government E10 checker before switching fuels.

Key points

  • • EA888 Gen 3 petrol engines (CYRB, DKZA, 2012+) are officially E10 compatible per Audi UK
  • • Pre-2012 CAEB TFSI units may experience increased corrosion risk with E10 ethanol blends
  • • All Audi A4 diesel engines (TDI) are unaffected as E10 applies to petrol pumps only
  • • Using incompatible fuel can void warranty and cause fuel system damage on non-approved Audi A4 engines
Verify E10 compatibility and get quotes for E10-ready Audi A4 petrol engines

Question 9

Will a replacement engine affect my Audi A4's resale value?

A professionally rebuilt Audi A4 engine with full documentation and warranty typically preserves or even enhances resale value compared to a vehicle with known engine faults. Buyers prioritise verified service history, OEM-spec components, and warranty coverage over whether the engine is original, especially on high-mileage B8 and B9 examples where replacement is common.

Key points

  • • Documented rebuilt engines with warranty often increase buyer confidence versus unknown fault history
  • • OEM-spec or upgraded components maintain Audi A4 performance and MOT compliance standards
  • • Keep all invoices, calibration records and warranty paperwork to demonstrate quality of replacement work
  • • Numbers-matching original engines command premium only on low-mileage collector-spec Audi A4 variants
Find OEM-spec Audi A4 replacement engines with full documentation included

Question 10

Should I use a specialist or main dealer for my Audi A4 engine replacement?

For most Audi A4 owners, independent VAG specialists offer comparable quality to main dealers at 30-50% lower cost, with faster turnaround and more flexible warranty terms. Specialists focusing on Audi/VW platforms understand B8/B9 calibration nuances, ECU adaptation, and emissions system requirements without the dealer premium on parts and labour rates.

Key points

  • • Independent VAG specialists typically charge £400-£800 less for supply and fit versus main dealer rates
  • • Specialist rebuilders often include upgraded components addressing known Audi A4 failure points as standard
  • • Main dealers may require full engine replacement rather than targeted rebuilds, increasing overall cost
  • • Verify specialist credentials, warranty terms and calibration capability before committing to any Audi A4 engine work
Compare quotes from vetted UK Audi A4 engine specialists versus dealer pricing

Why Choose Us

Why UK Audi A4 Owners Trust EngineMarket

Trusted Audi A4 Engine Suppliers

Every garage and rebuilder in our network is vetted and reviewed by real Audi A4 owners.

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UK Engine Replacement Services for Audi A4

Covering every variant with supply‑only or full supply & fit nationwide.

Compare Audi A4 engine prices with vetted UK specialists

Compare engine prices for Audi A4 in the UK and get competitive quotes from garages near you.

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