How 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.

Audi A7 S7 3.0 TDI / TFSI SPECIALISTS

Audi A7 S7 3.0 TDI / TFSI Engine Replacement Compare 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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Audi A7 S7 3.0 TDI / TFSI Engine

from£2,500 to £5,500...

Usedfrom £1,200
Reconditionedfrom £2,500
Common codesCDUD, CRTD, CTSA

Audi a7 S7 3.0 TDI / TFSI Used Engine — CTSA

Audi a7Used Engine — CTSA

Audi a7 S7 3.0 TDI / TFSI Reconditioned Engine — CTSA

Audi a7Reconditioned Engine — CTSA

Audi a7 S7 3.0 TDI / TFSI Rebuilt Engine — CTSA

Audi a7Rebuilt Engine — CTSA

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How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

Audi 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.

2012
CTSA, 3.0L V6 TFSI Supercharged (300hp), introduced in the 4G generation, offering robust torque and refined petrol performance.
2014
CDUD, 3.0L V6 TDI (245hp), the dominant high-torque diesel variant for the 4G chassis, favoured for its towing capacity and motorway efficiency.
2015
CRTD, 3.0L V6 TDI (272hp), introduced for the late 4G and early 4K generations, featuring updated Euro 6 emissions controls and AdBlue systems.
2016
CREC, 3.0L V6 TFSI Supercharged (333hp), carried forward with refined engine management, improved supercharger mapping, and enhanced reliability.

Every engine fitted to the Audi A7 S7 3.0 TDI / TFSI is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Audi A7 S7 3.0 TDI / TFSI Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

CTSA — 3.0L V6 TFSI Supercharged (2012-2016)

Power Output: 300hp
Years Fitted: 2012-2016

Can’t find your exact engine code?-> Get quotes for CTSA Audi A7 S7 3.0 TDI / TFSI engine replacement

-> Get quotes for CTSA Audi A7 S7 3.0 TDI / TFSI engine replacement

Common Problems

Audi A7 S7 3.0 TDI / TFSI Engine Problems Repair Cost vs Replacement

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.

Common failure points and repair options

Turbocharger Oil Strainer Failure

Affected: 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.

Repair options

Repair tier	Dealer price	Specialist price
Strainer & Turbo Replacement	£2,500-£4,000	£1,500-£2,500
Full Replacement - rebuilt/reconditioned engine	£7,000-£10,000	£4,500-£6,500

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.

Supercharger Coupler & Cooling Leaks

Affected: Audi A7 S7 3.0 TDI / TFSI (CTSA, CREC, 2012-present)
Typical failure mileage: 70,000-120,000 miles

Root cause

The internal supercharger coupler wears out, causing a distinct rattling noise and loss of boost. This is often compounded by brittle plastic coolant crossover pipes in the V of the engine that crack and leak.

Repair options

Repair tier	Dealer price	Specialist price
Coupler & Coolant Pipe Replacement	£1,800-£3,000	£1,000-£1,800
Full Replacement - rebuilt/reconditioned engine	£7,500-£11,000	£5,500-£8,000

Our recommendation

-> Compare rebuilt CDUD / CTSA Audi A7 S7 3.0 TDI / TFSI engine prices

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.

Compare Audi A7 S7 3.0 TDI / TFSI Engine Replacement Prices Now ->

FAQ

Audi A7 S7 3.0 TDI / TFSI Engine ReplacementFrequently Asked Questions

Everything Audi A7 S7 3.0 TDI / TFSI owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

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.

-> Get a diagnostic quote for your 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.

-> Check if your Audi A7 S7 3.0 TDI / TFSI is a good candidate for replacement.

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.

-> Book your Audi A7 S7 3.0 TDI / TFSI supply & fit service.

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.

-> Confirm your exact engine code by entering your registration.

Why Choose Us

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Comparing quotes is completely free and carries no obligation. Whether you drive a 4G 3.0 TDI or a 4K 3.0 TFSI, we match your exact registration and engine code with vetted UK specialists who offer transparent pricing, upgraded rebuilt components, and comprehensive warranty coverage tailored to your premium quattro Sportback.

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