Audi A4 35 TFSI / 1.8 TFSI Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Audi A4 35 TFSI / 1.8 TFSI engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the most cost-effective and reliable solution for your vehicle.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £3,200 to £5,500 [ESTIMATED - using VW/Audi EA888 Gen 3 2.0 TSI as proxy]
Used from £800 · Reconditioned from £2,000 · Common codes: CDHA, CDHB, CYKC
From £800
Tested, bare/short engine
From £2,000
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 A4 35 TFSI / 1.8 TFSI specialists.
3 Simple Steps3 Simple Stepsto Finding the Best Audi A4 35 TFSI / 1.8 TFSI Replacement Engineto Finding the Best Audi A4 35 TFSI / 1.8 TFSI Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryAudi A4 35 TFSI / 1.8 TFSI - Engine History & Specs at a Glance
When the 1.8 TFSI badge launched in the B8 generation, it offered a highly efficient turbocharged petrol alternative to the diesel-dominated lineup, later evolving into the 35 TFSI badge in the B9 generation with an updated EA888 architecture to meet stricter emissions while maintaining strong performance.
Variant HistoryAudi A4 35 TFSI / 1.8 TFSI - Engine History & Specs at a Glance
When the 1.8 TFSI badge launched in the B8 generation, it offered a highly efficient turbocharged petrol alternative to the diesel-dominated lineup, later evolving into the 35 TFSI badge in the B9 generation with an updated EA888 architecture to meet stricter emissions while maintaining strong performance.
Audi A4 35 TFSI / 1.8 TFSI
Fuel TypePetrol
Engine Size Range1.8L - 2.0L
Power Output Range120-160hp (1.8 TFSI), 150hp (35 TFSI)Engine History Timeline
CDHA / CDHB (1.8L TFSI 120-160hp) introduced in the B8 generation, featuring direct injection and turbocharging.
Revised EA888 Gen 2 updates applied addressing early timing chain tensioner weaknesses in the 1.8 TFSI lineup.
35 TFSI badge introduced in the B9 generation utilising the EA888 Gen 3 2.0L architecture (badged as 35 but producing 150hp) for improved thermal efficiency, reduced oil consumption, and enhanced reliability.
Key Specs Snapshot
Fuel TypePetrolEngine Size Range1.8L - 2.0LPower Output Range120-160hp (1.8 TFSI), 150hp (35 TFSI)Years Produced2008-presentEvery engine fitted to the Audi A4 35 TFSI / 1.8 TFSI is covered below, with UK rebuilt pricing and known failure points.
Audi A4 35 TFSI / 1.8 TFSI Engine Codes - Specifications & Replacement CostAudi A4 35 TFSI / 1.8 TFSI Engine Codes - Specifications & Replacement Cost
1.8L Petrol (2008-2015)
Power Output120hpYears Fitted2008-2015
Compatible Trim Levels
- 1.8 TFSI SE
- 1.8 TFSI Sport
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£800-£1,800
Reconditioned
Addressed known issues, tested
£2,000-£3,800
Rebuilt
Full teardown, upgraded internals
£3,200-£5,500 [ESTIMATED - using VW/Audi EA888 Gen 3 2.0 TSI as proxy]
Common Failure
Timing chain tensioner wear and carbon buildup on intake valves, particularly in pre-2012 units.
The Audi A4 35 TFSI / 1.8 TFSI is a popular premium saloon, but the EA888 engine family has well-documented wear patterns. Rebuilt engines through EnginesMarket include upgraded components addressing the original failure point, plus a minimum 12-month unlimited-mileage warranty.
Why the Audi A4 1.8 TFSI (CDHA/CDHB) Wears Prematurely
Affected Vehicles
Audi A4 1.8 TFSI (CDHA, CDHB, 2008-2012)
Typical Failure Mileage
60,000-90,000 miles
Root Cause
Early EA888 Gen 2 tensioners lack sufficient holding pressure, allowing the chain to stretch and skip teeth, leading to catastrophic valve damage.
Why It Happens
Early EA888 Gen 2 tensioners lack sufficient holding pressure, allowing the chain to stretch and skip teeth, leading to catastrophic valve damage.
Dealer (parts + labour)
£1,200-£1,800
Specialist (parts + labour)
£800-£1,200
What it involves
Replacement of the chain, guides, and revised tensioner.
Suitability
Highly effective if caught early before valve contact occurs.
1 - 2 daysDealer (parts + labour)
£5,500-£7,500
Specialist (parts + labour)
£3,200-£5,500 [ESTIMATED - using VW/Audi EA888 Gen 3 2.0 TSI as proxy]
What it involves
Supply & fit, upgraded components addressing the original failure point, 12-month warranty.
Suitability
Required if the engine has already suffered interference 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 |
|---|---|---|---|---|---|
 Minor/Preventative: Timing chain & tensioner kit replacement Minor | £1,200-£1,800 | £800-£1,200 | Replacement of the chain, guides, and revised tensioner. | Highly effective if caught early before valve contact occurs. | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £5,500-£7,500 | £3,200-£5,500 [ESTIMATED - using VW/Audi EA888 Gen 3 2.0 TSI as proxy] | Supply & fit, upgraded components addressing the original failure point, 12-month warranty. | Required if the engine has already suffered interference damage. | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical 2008-2012 Audi A4 1.8 TFSI is worth ~£3,000-£6,000 [THIRD-PARTY]. At this value, a full rebuilt unit may approach or exceed 60% of the vehicle's value. If the lowest viable replacement cost exceeds approximately 60% of the vehicle's current market value, evaluate scrap value before committing.
Our Recommendation
Our Recommendation
If you hear a cold-start rattle, act immediately. A preventative chain kit replacement is far cheaper than a full engine rebuild. If the engine has already failed, a high-quality used engine may be the most financially viable option for older B8 models.
Don't Let Engine Failure Write Off Your Audi A4 35 TFSI / 1.8 TFSI
Whether you are dealing with early timing chain wear or a cooling system leak, replacing your engine with a rebuilt unit from EnginesMarket ensures the core weakness is addressed with upgraded components. You benefit from a minimum 12-month unlimited-mileage warranty, nationwide delivery, and prices that undercut main dealer premiums significantly.
Compare rebuilt CDHA Audi A4 35 TFSI / 1.8 TFSI 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 A4 35 TFSI / 1.8 TFSI. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
Audi A4 35 TFSI / 1.8 TFSI Engine ReplacementFrequently Asked Questions
Question 1How much does an Audi A4 35 TFSI / 1.8 TFSI engine replacement cost-
A full reconditioned or rebuilt Audi A4 35 TFSI / 1.8 TFSI engine typically costs between £3,200 and £5,500 for the supply-only unit, depending on the specific engine code and condition.
- Used engines start from around £800.
- Fully rebuilt units with upgraded components and a 12-month warranty sit at the higher end of the scale.
- Supply and fit labour will add approximately £500-£800 depending on the specialist.
Question 2What are the signs of timing chain failure in an Audi A4 1.8 TFSI-
The most common early warning sign is a distinct rattling noise from the engine bay during a cold start, which may fade as the oil warms up.
- You may also notice the engine management light illuminating.
- In severe cases, the engine may misfire, lose power, or fail to start entirely.
- Ignoring these signs can lead to rapid catastrophic internal engine damage.
Question 3Is it worth replacing the engine in an Audi A4 35 TFSI / 1.8 TFSI-
Yes, if the vehicle is in good overall condition and valued above £8,000, a reconditioned engine replacement is a financially sound decision that restores reliability.
- For older 2008-2012 models valued under £5,000, a high-quality used engine swap may offer a better return on investment.
- Always compare multiple specialist quotes to ensure the replacement cost does not exceed 60% of the vehicle's current market value.
Question 4How long does an Audi A4 35 TFSI / 1.8 TFSI engine replacement take-
A straightforward supply and fit of a reconditioned Audi A4 35 TFSI / 1.8 TFSI engine typically takes 1 to 2 days at a specialist workshop.
- This timeframe includes draining fluids, removing the old unit, and installing the replacement.
- Necessary ECU adaptations and road testing are completed before handover.
- Complex cases involving additional damage may extend this timeframe.
Question 5What is the difference between the 1.8 TFSI and 35 TFSI engines in the Audi A4-
The "1.8 TFSI" badge (2008-2015) denotes a 1.8-litre EA888 Gen 2 engine producing 120hp or 160hp.
- The "35 TFSI" badge (2016-present) denotes a 2.0-litre EA888 Gen 3 engine producing 150hp.
- The 2.0L variant was introduced to improve efficiency, reduce oil consumption, and meet stricter emissions standards while maintaining similar real-world performance.
- Mechanically, the Gen 3 architecture features a revised timing chain setup and improved thermal management.
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