How much does an Audi A3 Sportback e-tron 40 TFSI e engine replacement cost-

The cost to replace an Audi A3 Sportback e-tron 40 TFSI e engine typically ranges from £2,000 to £4,000 for a rebuilt unit, depending on whether you choose supply-only or supply & fit.

Audi Sportback e-tron 40 TFSI e SPECIALISTS

Audi A3 Sportback e-tron 40 TFSI e Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Audi A3 Sportback e-tron 40 TFSI e engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the most cost-effective solution for your plug-in hybrid.

Supply & Fit Available

12-Month Warranty

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100+ Suppliers

Audi A3 Sportback e-tron 40 TFSI e Engine

from£2,000 to £4,000...

Usedfrom £500
Reconditionedfrom £1,200
Common codesCUKB, DGEA

Audi a3 Sportback e-tron 40 TFSI e Used Engine — CUKB

Audi a3Used Engine — CUKB

Audi a3 Sportback e-tron 40 TFSI e Reconditioned Engine — CUKB

Audi a3Reconditioned Engine — CUKB

Audi a3 Sportback e-tron 40 TFSI e Rebuilt Engine — CUKB

Audi a3Rebuilt Engine — CUKB

Instant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide Network

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 A3 Sportback e-tron 40 TFSI e Engine History & Specs at a Glance

When the Sportback e-tron launched, it introduced Audi’s first mainstream plug-in hybrid (PHEV) technology to the A3 range, later evolving into the 40 TFSI e badge with updated EA211 EVO architecture.

2014
CUKB, 1.4L TFSI + Electric Motor (204 hp combined), launched as the A3 Sportback e-tron (8V).
2020
DGEA, 1.5L TFSI EVO + Electric Motor (204 hp combined), rebranded as the A3 Sportback 40 TFSI e (8Y) with improved battery capacity and efficiency.

Every engine fitted to the Audi A3 Sportback e-tron 40 TFSI e is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Audi A3 Sportback e-tron 40 TFSI e Engine Codes Specifications & Replacement Cost

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

CUKB — 1.4L TFSI Plug-in Hybrid (2014-2020)

Power Output: 150 hp (combustion) / 204 hp (combined)
Years Fitted: 2014-2020

Can’t find your exact engine code?-> Get quotes for CUKB Audi A3 Sportback e-tron 40 TFSI e engine replacement

-> Get quotes for CUKB Audi A3 Sportback e-tron 40 TFSI e engine replacement

Common Problems

Audi A3 Sportback e-tron 40 TFSI e Engine Problems Repair Cost vs Replacement

The Audi A3 Sportback e-tron 40 TFSI e is generally reliable, but its complex plug-in hybrid architecture introduces specific failure points not found in standard petrol models. The CUKB and DGEA 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

Engine Disconnect Clutch Failure

Affected: Audi A3 Sportback e-tron 40 TFSI e (CUKB, DGEA, 2014-present)
Typical failure mileage: 60,000-100,000 miles

Root cause

The clutch that disconnects the combustion engine from the electric motor can stick open or fail to engage, triggering drive system faults and preventing the petrol engine from starting or assisting.

Repair options

Repair tier	Dealer price	Specialist price
Software Update / Clutch Calibration	£300-£500	£150-£300
Full Replacement - rebuilt/reconditioned engine	£3,000-£5,000	£2,000-£4,000

Our recommendation

If the issue is purely a software glitch or 12V battery drain, a diagnostic reset is the most cost-effective first step. However, if the engine disconnect clutch has mechanically failed or the high-voltage system is compromised, a rebuilt engine assembly from a specialist is the most reliable long-term solution.

-> Compare rebuilt CUKB/DGEA Audi A3 Sportback e-tron 40 TFSI e engine prices

Water Pump & Coolant Leaks

Affected: Audi A3 Sportback e-tron 40 TFSI e (CUKB, DGEA, 2014-present)
Typical failure mileage: 50,000-90,000 miles

Root cause

The EA211 engine family is known for plastic thermostat housing and water pump failures, which can lead to coolant loss and potential overheating if ignored.

Repair options

Repair tier	Dealer price	Specialist price
Water Pump & Thermostat Replacement	£600-£900	£400-£700
Full Replacement - rebuilt/reconditioned engine	£3,000-£5,000	£2,000-£4,000

Our recommendation

Address coolant leaks immediately. A £500 water pump replacement is a minor expense compared to the £3,000+ cost of a full engine replacement caused by overheating. If the engine has already seized from coolant loss, a rebuilt unit is your only viable path forward.

-> Compare rebuilt CUKB/DGEA Audi A3 Sportback e-tron 40 TFSI e engine prices

Don't Let Engine Failure Write Off Your Audi A3 Sportback e-tron 40 TFSI e

Hybrid engine replacements require precise calibration and specialist 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 A3 Sportback e-tron 40 TFSI e Engine Replacement Prices Now ->

FAQ

Audi A3 Sportback e-tron 40 TFSI e Engine ReplacementFrequently Asked Questions

Everything Audi A3 Sportback e-tron 40 TFSI e owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

Common symptoms include a "Drive System Fault" warning on the dashboard, the combustion engine failing to start or engage, and error codes like P288400 (Clutch Stuck Open).

The car may default to electric-only mode or refuse to drive.
A clicking or grinding noise may be heard from the bell housing.
Diagnostic scans will confirm hybrid system communication errors.

-> Get a diagnostic quote for your Audi A3 Sportback e-tron 40 TFSI e.

Yes, if the vehicle is in good overall condition and valued above £8,000, a reconditioned or rebuilt engine is a cost-effective alternative to buying a new car.

Rebuilt engines come with a 12-month warranty, restoring reliability.
It is significantly cheaper than the depreciation hit of a new vehicle.
Ensure the high-voltage battery is also in good health before committing.

-> Check if your Audi A3 Sportback e-tron 40 TFSI e is a good candidate for replacement.

A professional supply & fit service for the Audi A3 Sportback e-tron 40 TFSI e typically takes 1 to 2 days.

Hybrid systems require additional time for safe high-voltage disconnection and recalibration.
Specialists use ODIS software to code the new engine and hybrid control modules.
Nationwide delivery and fitting can often be scheduled within a week.

-> Book your Audi A3 Sportback e-tron 40 TFSI e supply & fit service.

The CUKB is the 1.4L TFSI engine used in the 8V generation (2014-2020), while the DGEA is the updated 1.5L TFSI EVO engine used in the 8Y generation (2020-present).

Both produce 204 hp combined with the electric motor.
The DGEA features improved fuel efficiency and updated hybrid software.
Replacement parts and pricing are similar, but they are not directly interchangeable.

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

Why Choose Us

Compare Audi A3 Sportback e-tron 40 TFSI e Engine Prices Today

Comparing quotes is completely free and carries no obligation. Whether you drive an 8V e-tron or an 8Y 40 TFSI e, we match your exact registration and engine code with vetted UK specialists who offer transparent pricing, upgraded rebuilt components, and comprehensive warranty coverage.

500+500+ Audi A3 Sportback e-tron 40 TFSI e engines supplied through our network

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