Audi A8 40 TFSI60 TFSI S8 W12 Engine Replacement - Compare Prices & Get Quotes
Get quotes today from trusted UK Audi A8 40 TFSI - 60 TFSI S8 W12 engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the best value for your premium executive flagship.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £4,500 to £15,000+
Used from £2,000 · Reconditioned from £4,000 · Common codes: CGWB, CEU, CVPA, BXB, BAR
From £2,000
Tested, bare/short engine
From £4,000
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Audi A8 40 TFSI - 60 TFSI S8 W12 specialists.
3 Simple Steps3 Simple Stepsto Finding the Best Audi A8 40 TFSI - 60 TFSI S8 W12 Replacement Engineto Finding the Best Audi A8 40 TFSI - 60 TFSI S8 W12 Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryAudi A8 40 TFSI - 60 TFSI S8 W12 - Engine History & Specs at a Glance
When the TFSI and W12 lineup was introduced to the A8 range, it established a hierarchy of premium performance, evolving through the D3, D4, and D5 generations with advanced forced induction and mild-hybrid integration.
Variant HistoryAudi A8 40 TFSI - 60 TFSI S8 W12 - Engine History & Specs at a Glance
When the TFSI and W12 lineup was introduced to the A8 range, it established a hierarchy of premium performance, evolving through the D3, D4, and D5 generations with advanced forced induction and mild-hybrid integration.
Audi A8 40 TFSI
Fuel TypePetrol / Mild-Hybrid (MHEV)
Engine Size Range3.0L - 6.0L
Power Output Range290-571hp across the variant's historyEngine History Timeline
BAR / BAS engine codes 4.2L FSI V8, 350hp (D3 generation launch)
CGWB / BHT engine codes 3.0L TFSI V6 / 6.0L W12, 290-450hp (D4 generation, supercharged introduction)
CEU / CVPA engine codes 4.0L TFSI V8, 435-520hp (D4 facelift, twin-turbo and S8 introduction)
DBZA / DECA engine codes 3.0L / 4.0L TFSI, 340-460hp (D5 generation, 48V mild-hybrid integration)
Key Specs Snapshot
Fuel TypePetrol / Mild-Hybrid (MHEV)Engine Size Range3.0L - 6.0LPower Output Range290-571hp across the variant's historyYears Produced2003-presentEvery engine fitted to the Audi A8 40 TFSI - 60 TFSI S8 W12 is covered below, with UK rebuilt pricing and known failure points.
Audi A8 40 TFSI - 60 TFSI S8 W12 Engine Codes - Specifications & Replacement CostAudi A8 40 TFSI - 60 TFSI S8 W12 Engine Codes - Specifications & Replacement Cost
3.0L Petrol SC (2010-2017)
Power Output290hpYears Fitted2010-2017
Compatible Trim Levels
- 40 TFSI
- 40 TFSI quattro
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£2,000-£3,500
Reconditioned
Addressed known issues, tested
£3,500-£5,500
Rebuilt
Full teardown, upgraded internals
£5,000-£7,500
Common Failure
Water pump failure and carbon buildup on intake valves, typically observed between 60k-120k miles.
The Audi A8 40 TFSI - 60 TFSI S8 W12 represents the pinnacle of premium executive engineering, demanding precise maintenance. While modern TFSI architectures (CEU, DECA) are robust, specific components like cooling systems and turbochargers remain prone to wear. Rebuilt engines supplied through EnginesMarket include upgraded components addressing original failure points, backed by a minimum 12-month unlimited-mileage warranty.
Why the Audi A8 40 TFSI - 60 TFSI S8 W12 (CGWB, DECA) Wears Prematurely
Affected Vehicles
Audi A8 40 TFSI - 60 TFSI S8 W12 (CGWB, DECA, 2010-present)
Typical Failure Mileage
60k-120k miles
Root Cause
Plastic composite components in the cooling system degrade under sustained high thermal loads, leading to coolant leaks.
Why It Happens
Plastic composite components in the cooling system degrade under sustained high thermal loads, leading to coolant leaks.
Dealer (parts + labour)
£800-£1,500
Specialist (parts + labour)
£400-£800
What it involves
Replacing the water pump and thermostat housing assembly.
Suitability
Effective for early-stage leaks; does not address internal engine wear.
1 - 2 daysDealer (parts + labour)
£7,000-£12,000
Specialist (parts + labour)
£5,000-£9,000
What it involves
Supply & fit, upgraded components addressing the original failure point, 12-month warranty.
Suitability
The right call if overheating has caused secondary damage or if the vehicle has high mileage.
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Component Replacement Minor | £800-£1,500 | £400-£800 | Replacing the water pump and thermostat housing assembly. | Effective for early-stage leaks; does not address internal engine wear. | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £7,000-£12,000 | £5,000-£9,000 | Supply & fit, upgraded components addressing the original failure point, 12-month warranty. | The right call if overheating has caused secondary damage or if the vehicle has high mileage. | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical Audi A8 40 TFSI - 60 TFSI S8 W12 is worth £15,000-£60,000+ `[THIRD-PARTY]`. At this value band, a reconditioned or rebuilt replacement comfortably justifies the premium via warranty and restored reliability, keeping repair costs well below the vehicle's total value.
Our Recommendation
Our Recommendation
If caught early, a specialist component replacement is highly cost-effective. However, if coolant loss has led to overheating or the vehicle has exceeded 100k miles, a rebuilt engine is the safer long-term investment.
Don't Let Engine Failure Write Off Your Audi A8 40 TFSI - 60 TFSI S8 W12
Protect your investment with a rebuilt engine that features upgraded components to eliminate known weak points. With a minimum 12-month unlimited mileage warranty, nationwide delivery, and prices significantly below main dealer premiums, comparing quotes is the smartest first step.
Compare rebuilt CGWB Audi A8 40 TFSI - 60 TFSI S8 W12 engine prices
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
"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 EnginesMarket'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 A8 40 TFSI - 60 TFSI S8 W12. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Audi A8 40 TFSI - 60 TFSI S8 W12 Engine ReplacementFrequently Asked Questions
Question 1How much does an Audi A8 40 TFSI - 60 TFSI S8 W12 engine replacement cost-
A full rebuilt Audi A8 40 TFSI - 60 TFSI S8 W12 engine typically costs between £5,000 and £15,000+ for supply only, depending on whether it is a 3.0L V6, 4.0L V8, or 6.0L W12.
- Prices vary based on the specific engine code (e.g., CGWB, CEU, BXB).
- Supply and fit packages will add specialist labour rates, usually £780-£1,430.
Question 2What are the signs of water pump failure in an Audi A8 40 TFSI - 60 TFSI S8 W12-
Early warning signs include coolant leaks under the vehicle or a distinct sweet smell from the engine bay.
- You may also experience an illuminated engine management light or the engine running hotter than normal.
- If ignored, coolant loss can lead to catastrophic overheating.
Question 3Is it worth replacing the engine in an older Audi A8 40 TFSI - 60 TFSI S8 W12 (D3/D4 generation)-
For D3/D4 models valued between £8,000 and £25,000, a full rebuild is highly financially viable for well-maintained examples.
- A reconditioned or rebuilt unit restores flagship reliability and comes with a 12-month warranty.
- This is significantly more cost-effective than purchasing a new vehicle.
Question 4How long does an Audi A8 40 TFSI - 60 TFSI S8 W12 engine replacement take-
A standard supply and fit procedure for the 3.0L to 6.0L TFSI/W12 engines typically takes 3 to 5 working days at a specialist workshop.
- This includes the physical swap, complex ECU coding, and a thorough road test to ensure all premium systems are functioning correctly.
Question 5What is the difference between the CEU and CVPA engines in the Audi A8 40 TFSI - 60 TFSI S8 W12-
Both are 4.0-litre twin-turbocharged V8 petrol engines, but the CVPA is the high-output S8 variant.
- The CVPA features upgraded internals, larger turbochargers, and revised ECU mapping to produce 520hp, compared to the CEU's 435hp. They are not directly interchangeable without significant modifications.
Why Choose UsCompare Audi A8 40 TFSI - 60 TFSI S8 W12Engine PricesToday
200+ Audi A8 40 TFSI
60 TFSI S8 W12 engines supplied through our network
12-Month Warranty on every rebuilt Audi A8 40 TFSI
60 TFSI S8 W12 engine
Nationwide UK delivery
supply & fit available
Comparing quotes is completely free and carries no obligation. By entering your registration, you ensure that every quote you receive is precisely matched to your exact Audi A8 40 TFSI - 60 TFSI S8 W12 and its specific engine code, saving you from costly mismatches and dealer markups.
Enter your registration
and get matched with verified Audi A8 40 TFSI - 60 TFSI S8 W12 specialists.