A6 Allroad 3.0 TDI Engines
from £1,800 to £5,500
Rebuilt units from £1,800 · Common codes: ASB, CZVA, CRTE, BHK
AUDI ALLROAD ENGINE MARKETPLACE
Audi Allroad EA839/EA288 Engine Solutions - UK Specialists
Get quotes from trusted UK Audi Allroad engine specialists. Compare reconditioned & used engines for 2.0 TDI to 3.0 TDI - EA839/EA288 covered. Get a quote before it's too late.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
A4 Allroad 2.0 TFSI Engines
from £1,400 to £4,200
Rebuilt units from £1,400 · Common codes: CGQB, CDNC, DETA, CAEA
C5 Allroad 2.7T Engines
from £2,200 to £6,800
Rebuilt units from £2,200 · Common codes: APB, AZA, BEL, BES
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Engine replacement near me - UK-wide specialist network
Compare reconditioned, rebuilt & used engine prices
Supply & fit available - parts and labour from vetted specialistsInstant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialistsHow It Works
3 Simple Steps3 Simple Stepsto Finding the Best Audi Allroad Replacement Engineto Finding the Best Audi Allroad Replacement Engine
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers
Most replacements completed within 3-5 days.
Live UK Engine Market Data
What Are UK Drivers Paying for Audi Allroad Engine Replacement
The table below shows typical UK rebuilt engine costs across Audi Allroad variants - compare failure causes, engine codes, fuel types, and price ranges to benchmark what UK drivers are paying.
Average Market Prices
↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Audi Allroad Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Audi Allroad engines through EngineMarket.
4.8
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“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
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“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
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“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
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Variants We Cover
Audi Allroad Engine ReplacementAll Variants Covered
Audi A6 Allroad 3.0 TDI
3.0L Diesel
Rebuilt Engines: £1,800-£3,200
Audi A6 Allroad 3.0 TDI (C7)
3.0L Diesel
Rebuilt Engines: £1,900-£3,500
Audi A4 Allroad 2.0 TDI
2.0L Diesel
Rebuilt Engines: £1,200-£2,400
Audi A4 Allroad 2.0 TDI (B9)
2.0L Diesel
Rebuilt Engines: £1,400-£2,600
Audi A4 Allroad 2.0 TFSI
2.0L Petrol
Rebuilt Engines: £1,400-£2,800
Audi A4 Allroad 2.0 TFSI (B9)
2.0L Petrol
Rebuilt Engines: £1,600-£3,200
Audi A6 Allroad 3.0 TFSI
3.0L Supercharged
Rebuilt Engines: £2,200-£4,000
Audi C5 Allroad 2.7T
2.7L Twin
Rebuilt Engines: £2,200-£3,800
Audi A6 Allroad 3.0 BiTDI
3.0L Biturbo
Rebuilt Engines: £2,400-£4,200
Audi C5 Allroad 4.2 V8
4.2L Petrol
Rebuilt Engines: £2,500-£4,500
Audi A4 Allroad 3.2 FSI
3.2L Petrol
Rebuilt Engines: £1,800-£3,200
Audi C5 Allroad 2.5 TDI
2.5L Diesel
Rebuilt Engines: £1,200-£2,200
Allroad
Engine Codes
Audi Allroad Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Audi Allroad 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 Allroad variants.
ASB - 3.0L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
A6 Allroad 3.0 TDI quattro (C6pre-facelift)A6 Allroad 3.0 TDI SEA6 Allroad 3.0 TDI S line
Avg. rebuilt price
£1,800 - £3,200
Supply only
Technical specifications
- Fuel type
- Diesel
- Engine size
- 3.0L
- Power output
- 230-233 hp
- Years fitted
- 2006-2018
Common failures
- ●Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
- ●Confirm exact engine code and fitment before ordering.
- ●Ask for warranty and supply & fit terms.
Not sure which engine code?
Allroad
Common Problems
Audi Allroad Engine Problems - What It Costs to Fix & When Replacement Makes Sense
2.0 TFSI Timing Chain Tensioner Failure - Why B8/B9 Allroad Engines Fail Prematurely
2.0 TFSI Timing Chain Tensioner Failure
Most affected vehicles
Audi A4 Allroad 2.0 TFSI (B8B8.5
Audi A4 Allroad 2.0 TFSI (B8, B8.5, B9; 2008-2020, engine codes CDNC, CGQB, DETA)
Failure mileage range
60,000 - 100,000 miles
Typical failure window
Root cause
The original timing chain tensioner design uses a mechanical spring that loses tension over time, allowing the chain to slacken, skip teeth, and ultimately snap. Pre-2012 engines are most vulnerable; post-2012 received an updated tensioner but failures still occur.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Preventative - Timing Chain & Tensioner Replacement | £1,400 - £2,200 | £800 - £1,400 | Replace timing chain, updated tensioner, guides, and sprockets before failure occurs | 60k-80k miles; only viable if caught early with rattle on startup |
| Catastrophic - Complete Engine Replacement | £4,500 - £7,000 | £2,800 - £4,500 | Supply & fit rebuilt engine with upgraded timing components after chain snap bends valves | 12-month warranty; only option once chain has snapped |
Our recommendation
If you hear a rattling noise on cold startup for 1-2 seconds, act immediately. A preventative chain replacement at a specialist costs under £1,400 and saves your engine. Once the chain snaps, the engine is scrap - replacement is your only path. On a B8 Allroad worth £4,000-£8,000, preventative work is almost always the better financial decision if caught early.
Compare rebuilt 2.0 TFSI engine prices for your A4 AllroadReplacement Engine Options
Audi Allroad Engine TypesOptions, Costs & What to Expect
Every engine type below is available through our UK network, with typical price ranges based on your Allroad’s exact variant, engine code and budget.
Audi Allroad Reconditioned Engines (Recon)£1,800 - £4,200((supply only))
Audi Allroad Rebuilt Engines£1,600 - £3,800((supply only))
Audi Allroad Used Engines£900 - £2,200((supply only))
Audi Allroad Remanufactured Engines£2,200 - £5,000((supply only))
Audi Allroad Refurbished Engines£1,200 - £2,600((supply only))
Compare Audi Allroad engine prices with vetted UK suppliers
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 Allroad within hours.
Engine Sizes
Audi Allroad Engines by SizeFind the Right Displacement for Your Variant
The 2.5-litre V6 TDI was the sole diesel option for the original C5 Allroad (1999-2005). With 180hp and a distinctive V6 rumble, it offered relaxed touring torque and remains popular in the enthusiast classic market, though low unit numbers make replacement engines relatively scarce.
⚙
Engine Code(s)
AKE, BAU
▣
Compatible Models (UK)
C5 Allroad 2.5 TDI quattro
ϟ
Power output
Verified by registration
△
Common Failure Points
Injector pump failure (VP44 unit), camshaft wear from extended oil change intervals
Production Years: 2000-2005
Get quotes for Audi Allroad 2.5L diesel enginesAudi Allroad Engines Fuel Type
Audi Allroad Engines by Fuel Type
Audi Allroad Diesel Engines
DieselThe 3.0 TDI V6 dominates Allroad diesel replacement demand, with the 2.0 TDI four-cylinder powering A4 models and the rare 2.5 V6 TDI found only in the original C5 generation.
Common Audi Allroad Diesel Engine Families
- •ASB/BHK - 3.0 V6 TDI (C6 A6 Allroad, 230-233hp), injector failure common
- •CDUC/CDYB - 3.0 V6 TDI (C7 A6 Allroad, 204-245hp), AdBlue system issues
- •CZVA/CRTE - 3.0 V6 TDI BiTDI (C7 facelift, 218-320hp), rocker arm failure risk
Found In
- •C5 Allroad (1999-2005) - 2.5 TDI (AKE/BAU)
- •C6 A6 Allroad (2006-2011) - 3.0 TDI (ASB/BHK)
- •C7 A6 Allroad (2012-2018) - 3.0 TDI (CDUC/CDYB/CZVA/CRTE)
Known For
- •Strong motorway torque and 40+ mpg real-world economy
- •3.0 TDI injector failure between 80k-130k miles (ASB/BHK)
- •Rocker arm collapse on BiTDI (CRTE) causing complete engine failure
Typical Diesel Models
- •A6 Allroad 3.0 TDI (C6)
- •A6 Allroad 3.0 TDI (C7)
- •A6 Allroad 3.0 BiTDI (C7 facelift)
1 of 3
Audi Allroad Diesel Engines
DieselThe 3.0 TDI V6 dominates Allroad diesel replacement demand, with the 2.0 TDI four-cylinder powering A4 models and the rare 2.5 V6 TDI found only in the original C5 generation.
Common Audi Allroad Diesel Engine Families
- •ASB/BHK - 3.0 V6 TDI (C6 A6 Allroad, 230-233hp), injector failure common
- •CDUC/CDYB - 3.0 V6 TDI (C7 A6 Allroad, 204-245hp), AdBlue system issues
- •CZVA/CRTE - 3.0 V6 TDI BiTDI (C7 facelift, 218-320hp), rocker arm failure risk
Found In
- •C5 Allroad (1999-2005) - 2.5 TDI (AKE/BAU)
- •C6 A6 Allroad (2006-2011) - 3.0 TDI (ASB/BHK)
- •C7 A6 Allroad (2012-2018) - 3.0 TDI (CDUC/CDYB/CZVA/CRTE)
Known For
- •Strong motorway torque and 40+ mpg real-world economy
- •3.0 TDI injector failure between 80k-130k miles (ASB/BHK)
- •Rocker arm collapse on BiTDI (CRTE) causing complete engine failure
Typical Diesel Models
- •A6 Allroad 3.0 TDI (C6)
- •A6 Allroad 3.0 TDI (C7)
- •A6 Allroad 3.0 BiTDI (C7 facelift)
Audi Allroad Petrol Engines
PetrolFrom the iconic 2.7T twin-turbo in the C5 to the supercharged 3.0 TFSI in the C7, Allroad petrol engines attract enthusiasts despite lower UK volumes than diesel.
Common Audi Allroad Petrol Engine Families
- •APB/AZA/BEL - 2.7 twin-turbo V6 (C5 Allroad, 250hp), oil starvation kills turbos
- •BAS/AYS - 4.2 V8 (C5 Allroad, 300hp), timing chain tensioner failure
- •AUK - 4.2 V8 (C6 A6 Allroad, 335hp), carbon buildup and cooling issues
Found In
- •C5 Allroad (1999-2005) - 2.7T (APB/AZA/BEL), 4.2 V8 (BAS/AYS)
- •C6 A6 Allroad (2006-2008) - 4.2 V8 (AUK), 3.2 FSI (BVK)
- •C7 A6 Allroad (2012-2018) - 3.0 TFSI supercharged (CGXB/CRE)
Known For
- •2.7T twin-turbo - enthusiast icon with premium rebuild market
- •Timing chain tensioner failure on pre-2012 2.0 TFSI engines
- •Supercharged 3.0 TFSI offers linear power without turbo lag
Typical Petrol Models
- •C5 Allroad 2.7T quattro
- •C5 Allroad 4.2 V8
- •A6 Allroad 3.0 TFSI (C7)
Audi Allroad Mild Hybrid (MHEV) Engines
MHEVLate B9 A4 Allroad and C8 A6 Allroad models introduced 12V and 48V mild hybrid systems - electric assistance without plug-in capability.
Audi Allroad MHEV Engine Codes
- •DETA - 2.0 TFSI with 12V belt alternator starter (B9 A4 Allroad, 2019-2022)
- •Future C8 generation 3.0 TDI variants with 48V MHEV
- •Belt alternator starter recovers braking energy to charge a small lithium-ion battery
Found In
- •B9 facelift A4 Allroad 2.0 TFSI (2019-2022)
- •C8 A6 Allroad 3.0 TDI (2019+)
Important Notes
- •No plug-in hybrid or full electric Allroad has ever been offered
- •MHEV system is integrated with the engine - replacement requires specialist handling
- •Battery inspection recommended during engine replacement (typically 4-8 year lifespan)
Not sure which fuel type your Audi Allroad 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 Allroad specialists.
Engine YearsGet quotes for 1999-2005 C5 Audi Allroad replacement engines →
Audi Allroad Engines by YearWhat Was Fitted & WhenAudi Allroad Engines by Year - What Was Fitted & When
This section maps every major engine change across the Audi Allroad's production timeline from 1999 to the present, organised so owners can quickly identify their engine and compare rebuilt prices from UK specialists.
⚙Key Changes
- ✓1999: Allroad name debuts on C5 A6 Avant platform with raised suspension
- ✓2000: 2.7T twin-turbo (APB) and 2.5 TDI (AKE) available from launch
- ✓2003: 4.2 V8 (BAS) added as range-topping petrol option
- ✓2005: Production ends - C5 Allroad remains enthusiast favourite
▣Main Engines
APB/AZA/BEL- 2.7 twin-turbo petrol (2.7T quattro)
AKE/BAU- 2.5 V6 TDI diesel (2.5 TDI quattro)
BAS/AYS- 4.2 V8 petrol (4.2 V8 quattro)
▰Popular Models
- •C5 Allroad 2.7T quattro
- •C5 Allroad 2.5 TDI quattro
- •C5 Allroad 4.2 V8 quattro
🔧Known For
- ✓2.7T twin-turbo - iconic engine with premium enthusiast rebuild market
- ✓Pneumatic suspension - complex but repairable by specialists
- ✓APB/AZA engines: oil starvation kills turbos - upgraded lines essential
- ✓4.2 V8 timing chain tensioner failure - engine-out job required
Engine Codes Covered:
APBAZABELBESAKEBAUBASAYSNot sure which year your Audi Allroad 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 Allroad specialists.
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