Audi Q3 45 TFSI / RS Q3 Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Audi Q3 45 TFSI / RS Q3 engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the most cost-effective and reliable solution for your high-performance vehicle.
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12-Month Warranty
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From £3,200 to £9,000 [EM-QUOTE] / [ESTIMATED - using EA855evo 2.5 TFSI as proxy]
Used from £800 · Reconditioned from £2,000 · Common codes: DKTA, DKZA, CZGB, DNWA, DAJB
From £800
Tested, bare/short engine
From £2,000
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 Q3 45 TFSI / RS Q3 Replacement Engineto Finding the Best Audi Q3 45 TFSI / RS Q3 Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryAudi Q3 45 TFSI / RS Q3 - Engine History & Specs at a Glance
When the high-performance petrol variants of the Q3 launched, they offered a potent alternative to the diesel-dominated lineup, evolving from the legendary five-cylinder RS Q3 to the highly efficient yet powerful 45 TFSI four-cylinder architecture in the latest generation.
Variant HistoryAudi Q3 45 TFSI / RS Q3 - Engine History & Specs at a Glance
When the high-performance petrol variants of the Q3 launched, they offered a potent alternative to the diesel-dominated lineup, evolving from the legendary five-cylinder RS Q3 to the highly efficient yet powerful 45 TFSI four-cylinder architecture in the latest generation.
Audi Q3 45 TFSI / RS Q3
Fuel TypePetrol
Engine Size Range2.0L - 2.5L
Power Output Range230-400hpEngine History Timeline
CZGB (2.5L TFSI 310-340hp) introduced in the 8U generation as the RS Q3, featuring a turbocharged inline-five engine.
DKTA / DKZA (2.0L TFSI 230-245hp) launched as the 45 TFSI in the F3 generation, utilising the refined EA888 Gen 3 architecture for improved thermal efficiency and reliability.
DNWA / DAJB (2.5L TFSI 400hp) introduced in the F3 generation RS Q3, boosting output with the EA855evo engine, enhanced cooling, and a larger turbocharger.
Key Specs Snapshot
Fuel TypePetrolEngine Size Range2.0L - 2.5LPower Output Range230-400hpYears Produced2013-presentEvery engine fitted to the Audi Q3 45 TFSI / RS Q3 is covered below, with UK rebuilt pricing and known failure points.
Audi Q3 45 TFSI / RS Q3 Engine Codes - Specifications & Replacement CostAudi Q3 45 TFSI / RS Q3 Engine Codes - Specifications & Replacement Cost
2.0L Petrol (2018-present)
Power Output230-245hpYears Fitted2018-present
Compatible Trim Levels
- 45 TFSI Sport
- 45 TFSI S line
- 45 TFSI Black Edition
- 45 TFSI Vorsprung
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
Common Failure
Water pump and thermostat housing leaks, alongside minor carbon buildup on intake valves due to direct injection.
The Audi Q3 45 TFSI / RS Q3 is a high-performance compact SUV with generally robust engineering, particularly the newer F3 generation. However, the EA888 Gen 3 and EA855evo engines have specific 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 Q3 45 TFSI / RS Q3 (DKTA/DKZA) Cooling System Fails
Affected Vehicles
Audi Q3 45 TFSI / RS Q3 (DKTA, DKZA, 2018-present)
Typical Failure Mileage
60,000-90,000 miles
Root Cause
The plastic composite housing of the water pump and thermostat is prone to warping and cracking under repeated thermal cycling, leading to external coolant leaks.
Why It Happens
The plastic composite housing of the water pump and thermostat is prone to warping and cracking under repeated thermal cycling, leading to external coolant leaks.
Dealer (parts + labour)
£700-£1,100
Specialist (parts + labour)
£400-£700
What it involves
Replacement of the water pump and thermostat assembly with updated metal-composite components.
Suitability
Highly effective; resolves the root cause permanently if caught early.
1 - 2 daysDealer (parts + labour)
£5,000-£7,000
Specialist (parts + labour)
£3,200-£5,500 [EM-QUOTE]
What it involves
Supply & fit, upgraded components addressing the original failure point, 12-month warranty.
Suitability
Only necessary if coolant loss was ignored, resulting in overheating and a warped cylinder head.
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: Water pump and thermostat assembly replacement Minor | £700-£1,100 | £400-£700 | Replacement of the water pump and thermostat assembly with updated metal-composite components. | Highly effective; resolves the root cause permanently if caught early. | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £5,000-£7,000 | £3,200-£5,500 [EM-QUOTE] | Supply & fit, upgraded components addressing the original failure point, 12-month warranty. | Only necessary if coolant loss was ignored, resulting in overheating and a warped cylinder head. | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical 2018-present Audi Q3 45 TFSI is worth ~£18,000-£35,000 [THIRD-PARTY]. At this value, a £400-£700 specialist repair is vastly more economical than a full rebuild. A reconditioned engine at £2,000-£3,800 remains a highly viable investment to protect the vehicle's retained 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
Monitor coolant levels closely and replace the water pump assembly preventatively around 80,000 miles. If the engine has overheated, do not attempt a cheap repair; opt for a reconditioned engine with a warranty to avoid recurring issues.
Don't Let Engine Failure Write Off Your Audi Q3 45 TFSI / RS Q3
Whether you are dealing with a cooling system leak or high-performance carbon buildup, 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 DKTA Audi Q3 45 TFSI / RS Q3 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 Q3 45 TFSI / RS Q3. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
Audi Q3 45 TFSI / RS Q3 Engine ReplacementFrequently Asked Questions
Question 1How much does an Audi Q3 45 TFSI / RS Q3 engine replacement cost-
A full reconditioned or rebuilt Audi Q3 45 TFSI / RS Q3 engine typically costs between £3,200 and £9,000 for the supply-only unit, depending on whether it is the 2.0L or 2.5L variant. 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 £650-£1,040 depending on the specialist.
- Key point: Pricing varies by engine code (DKTA vs DNWA).
- Key point: Rebuilt units include a 12-month warranty.
Question 2What are the signs of water pump failure in an Audi Q3 45 TFSI-
The most common early warning sign is a sweet smell from the engine bay or visible coolant pooling under the front of the vehicle. You may also notice the engine temperature gauge rising or a low coolant warning light appearing on the dashboard. Ignoring these signs can lead to rapid overheating and catastrophic internal engine damage.
- Key point: Check for pink/blue coolant leaks under the car.
- Key point: Address immediately to prevent head gasket failure.
Question 3Is it worth replacing the engine in an Audi RS Q3-
Yes, if the vehicle is in good overall condition, a reconditioned engine replacement is a financially sound decision that restores reliability. Typical Audi RS Q3 models are valued between £15,000 and £55,000. At this value, a rebuilt engine represents a small fraction of the vehicle's worth. Always compare multiple specialist quotes to ensure the best value.
- Key point: High retained value makes rebuilds financially viable.
- Key point: Rebuilt engines restore factory performance levels.
Question 4How long does an Audi Q3 45 TFSI / RS Q3 engine replacement take-
A straightforward supply and fit of a reconditioned Audi Q3 45 TFSI / RS Q3 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.
- Key point: Quattro systems may add slight complexity to labour time.
- Key point: Specialists handle all ECU coding and adaptations.
Question 5What is the difference between the 45 TFSI and RS Q3 engines-
The 45 TFSI badge denotes a 2.0-litre EA888 Gen 3 four-cylinder engine producing 230-245hp. The RS Q3 badge denotes the legendary 2.5-litre EA855evo five-cylinder engine producing up to 400hp. Mechanically, the RS Q3 engine is built for high performance with a reinforced block and larger turbocharger.
- Key point: RS Q3 requires stricter adherence to premium maintenance schedules.
- Key point: Both engines benefit from upgraded rebuilt components.
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