Audi A7 S7 3.0 TDI / TFSI Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Audi A7 S7 3.0 TDI / TFSI engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the most reliable, cost-effective solution for your high-performance executive Sportback.
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From £2,500 to £5,500 [ESTIMATED - using premium V6 proxy]
Used from £1,200 · Reconditioned from £2,500 · Common codes: CDUD, CRTD, CTSA, CREC
From £1,200
Tested, bare/short engine
From £2,500
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Audi A7 S7 3.0 TDI / TFSI Replacement Engineto Finding the Best Audi A7 S7 3.0 TDI / TFSI Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryAudi A7 S7 3.0 TDI / TFSI - Engine History & Specs at a Glance
While the S7 badge is globally renowned for its 4.0 TFSI V8, this variant page covers the high-performance 3.0L V6 architectures (both TDI and TFSI) that share the Sportback chassis, frequently searched by enthusiasts and owners of high-spec A7/S7 models seeking precise engine matching.
Variant HistoryAudi A7 S7 3.0 TDI / TFSI - Engine History & Specs at a Glance
While the S7 badge is globally renowned for its 4.0 TFSI V8, this variant page covers the high-performance 3.0L V6 architectures (both TDI and TFSI) that share the Sportback chassis, frequently searched by enthusiasts and owners of high-spec A7/S7 models seeking precise engine matching.
Audi A7 S7 3.0 TDI / TFSI
Fuel TypeDiesel (TDI) / Petrol (TFSI)
Engine Size Range3.0L V6 (2,967cc)
Power Output Range245hp-333hp across the variant's historyEngine History Timeline
CTSA 3.0L V6 TFSI Supercharged (300hp), introduced in the 4G generation, offering robust torque and refined petrol performance.
CDUD 3.0L V6 TDI (245hp), the dominant high-torque diesel variant for the 4G chassis, favoured for its towing capacity and motorway efficiency.
CRTD 3.0L V6 TDI (272hp), introduced for the late 4G and early 4K generations, featuring updated Euro 6 emissions controls and AdBlue systems.
CREC 3.0L V6 TFSI Supercharged (333hp), carried forward with refined engine management, improved supercharger mapping, and enhanced reliability.
Key Specs Snapshot
Fuel TypeDiesel (TDI) / Petrol (TFSI)Engine Size Range3.0L V6 (2,967cc)Power Output Range245hp-333hp across the variant's historyYears Produced2012-presentEvery engine fitted to the Audi A7 S7 3.0 TDI / TFSI is covered below, with UK rebuilt pricing and known failure points.
Audi A7 S7 3.0 TDI / TFSI Engine Codes - Specifications & Replacement CostAudi A7 S7 3.0 TDI / TFSI Engine Codes - Specifications & Replacement Cost
3.0L V6 TFSI Supercharged (2012-2016)
Power Output300hpYears Fitted2012-2016
Compatible Trim Levels
- A7 3.0 TFSI quattro
- S line
- Black Edition
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£1,200-£2,500 [ESTIMATED - using premium V6 proxy]
Reconditioned
Addressed known issues, tested
£2,500-£4,000 [ESTIMATED - using premium V6 proxy]
Rebuilt
Full teardown, upgraded internals
£4,000-£6,000 [ESTIMATED - using premium V6 proxy]
Common Failure
Coolant crossover pipe leaks and supercharger coupler wear, often presenting as a distinct rattling noise on deceleration or visible coolant loss in the V of the engine.
The Audi A7 S7 3.0 TDI / TFSI is a highly capable premium Sportback, but its complex V6 architecture introduces specific failure points across the 4G and 4K generations. The CDUD/CRTD (diesel) and CTSA/CREC (petrol) engine codes dominate replacement demand for this variant. Rebuilt engines through EnginesMarket include upgraded components addressing the original failure point, plus a minimum 12-month unlimited-mileage warranty.
Why the Audi A7 S7 3.0 TDI (CDUD/CRTD) Wears Prematurely
Affected Vehicles
Audi A7 S7 3.0 TDI / TFSI (CDUD, CRTD, 2012-2018)
Typical Failure Mileage
60,000-110,000 miles
Root Cause
The turbocharger oil feed strainer can become blocked with debris, restricting oil flow to the turbo and top end. This triggers a "death rattle" from the turbos and can lead to catastrophic oil starvation and engine seizure.
Why It Happens
The turbocharger oil feed strainer can become blocked with debris, restricting oil flow to the turbo and top end. This triggers a "death rattle" from the turbos and can lead to catastrophic oil starvation and engine seizure.
Dealer (parts + labour)
£2,500-£4,000
Specialist (parts + labour)
£1,500-£2,500
What it involves
Replace oil strainer, inspect/replace turbochargers, flush oil system
Suitability
Highly recommended as a preventative or early-stage repair
1 - 2 daysDealer (parts + labour)
£7,000-£10,000
Specialist (parts + labour)
£4,500-£6,500
What it involves
Supply & fit, upgraded components addressing the original failure point, 12-month warranty
Suitability
Necessary only if oil starvation has caused catastrophic bearing or block damage
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 |
|---|---|---|---|---|---|
 Strainer & Turbo Replacement Minor | £2,500-£4,000 | £1,500-£2,500 | Replace oil strainer, inspect/replace turbochargers, flush oil system | Highly recommended as a preventative or early-stage repair | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £7,000-£10,000 | £4,500-£6,500 | Supply & fit, upgraded components addressing the original failure point, 12-month warranty | Necessary only if oil starvation has caused catastrophic bearing or block damage | 1 - 2 days |
Our Recommendation
Our Recommendation
For the 3.0 TDI, address any turbo rattle or oil pressure warnings immediately. A £1,500 specialist strainer and turbo service is a minor expense compared to a £5,000+ full engine replacement caused by oil starvation. For the 3.0 TFSI, a rebuilt engine assembly with an updated supercharger coupler and revised cooling components is the most reliable long-term solution to restore factory performance.
Don't Let Engine Failure Write Off Your Audi A7 S7 3.0 TDI / TFSI
Premium Sportback engine replacements require precise VAG calibration and quattro drivetrain knowledge. By comparing quotes through EnginesMarket, you avoid main dealer premiums while securing a rebuilt engine with upgraded components, a 12-month unlimited-mileage warranty, and nationwide supply & fit options tailored to your exact variant.
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 A7 S7 3.0 TDI / TFSI. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Audi A7 S7 3.0 TDI / TFSI Engine ReplacementFrequently Asked Questions
Question 1How much does an Audi A7 S7 3.0 TDI / TFSI engine replacement cost-
The cost to replace an Audi A7 S7 3.0 TDI / TFSI engine typically ranges from £4,000 to £6,500 for a rebuilt unit, depending on whether it is a TDI or TFSI variant.
- Used engines start from around £1,200.
- Reconditioned units average £2,500-£5,000.
- Rebuilt engines with a 12-month warranty cost £4,000-£6,500.
Question 2What are the signs of turbo oil strainer failure in an Audi A7 S7 3.0 TDI-
Common symptoms include a distinct metallic "death rattle" from the turbochargers on startup or under load, illuminated oil pressure warnings, and eventual loss of power.
- The oil feed strainer becomes blocked with debris.
- It is a known recall issue on 2012-2017 3.0 TDI models.
- Ignoring the rattle can lead to catastrophic oil starvation and engine seizure.
Question 3Is it worth replacing the engine in an Audi A7 S7 3.0 TDI / TFSI-
Yes, if the vehicle is in good overall condition and valued above £10,000, a reconditioned or rebuilt engine is a highly cost-effective alternative to buying a new premium Sportback.
- Rebuilt engines come with a 12-month warranty, restoring reliability.
- It is significantly cheaper than the depreciation hit of a new vehicle.
- Evaluate the vehicle's overall condition, including the quattro system and air suspension, before committing.
Question 4Does the replacement engine include quattro and ECU calibration-
Yes, any professional supply & fit service for the Audi A7 S7 3.0 TDI / TFSI must include ODIS coding to ensure the engine ECU communicates correctly with the quattro transfer case and S tronic transmission.
- Mismatched coding can cause drivetrain faults and limp mode.
- Specialists verify the exact engine code and software version.
- Quattro-specific mounting and cooling alignments are checked.
Question 5What is the difference between the CDUD and CRTD engine codes in the Audi A7-
The CDUD is the 3.0L V6 TDI (245hp) used in early-to-mid 4G models (2012-2016), while the CRTD is the updated 3.0L V6 TDI (272hp) introduced for late 4G and 4K models (2015-2018) with Euro 6 compliance and AdBlue systems.
- The CRTD requires specific AdBlue and emissions calibration.
- They are not directly interchangeable without extensive wiring and ECU swaps.
- Replacement pricing for the CRTD reflects the added emissions complexity.
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