2021 Audi RS Q3 2.5 TFSI
Version: 2.5 TFSI S tronic 4WD Euro 6 (s/s) 5dr (395 bhp)
Price: £34,499. Fair price: £1,879 (5%) under the AskCar estimate of £36,378, our expected asking price for this car from its model, age, mileage and specification, drawing on 168 priced Audi RS Q3 adverts on AskCar as of 29 October 2026.
AskCar lists 168 used Audi RS Q3 from 146 UK dealerships, as of 29 October 2026.
Overview
- Make
- Audi
- Model
- RS Q3
- Version
- 2.5 TFSI S tronic 4WD Euro 6 (s/s) 5dr (395 bhp)
- Mileage
- 43,676 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 2.5 L
- Gearbox
- Automatic
- Power
- 395 bhp
- Seats
- 5
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TFSI
- Emissions standard
- Euro 6
About this car
At 43,676 miles, this 2021 Audi RS Q3 has covered about 6,800 more miles than other 2021 Audi RS Q3 cars. The dealer is asking £34,499, which is £1,879 below the AskCar estimate of £36,378. To work out the AskCar estimate, we analyse UK dealer adverts for 168 Audi RS Q3 cars across different ages and specifications. We have tracked this advert today. MOT records show an expiry date of 4 January 2027, and the latest recorded mileage is consistent with the advert. It is for sale at cinch in Grantham.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £34,499 |
Price and mileage comparison
Fair price: £1,879 (5%) under the AskCar estimate of £36,378.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 168 priced Audi RS Q3 adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 6,800 miles higher than the median mileage of a 2021 Audi RS Q3 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 4 January 2027. 40,960 miles at the last test.
Other matching cars
8 other 2021 Audi RS Q3 automatic petrol cars are for sale at UK dealers from £30,675 to £42,500, as of 29 October 2026.
The 5 cheapest:
- 2021 Audi RS Q3. Price: £30,675. Mileage: 64,467 miles. Dealer: The Car Co in Bury. AskCar page: https://askcar.co.uk/car/audi-rs-q3-2021-ecb1e153a5d4
- 2021 Audi RS Q3. Price: £33,000. Mileage: 40,806 miles. Dealer: Sytner Group Audi Reading in Reading. AskCar page: https://askcar.co.uk/car/audi-rs-q3-2021-900f1c1e010f
- 2021 Audi RS Q3. Price: £33,090. Mileage: 46,340 miles. Dealer: Evans Halshaw Vauxhall Horsforth in Horsforth. AskCar page: https://askcar.co.uk/car/audi-rs-q3-2021-4ba315c57cbd
- 2021 Audi RS Q3. Price: £34,989. Mileage: 37,993 miles. Dealer: David James in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-rs-q3-2021-91dba4e9223c
- 2021 Audi RS Q3. Price: £35,990. Mileage: 34,939 miles. Dealer: BUY & Go Cars in Cardiff. AskCar page: https://askcar.co.uk/car/audi-rs-q3-2021-7a2ca2424099
The 8 matching cars have covered 32,000 to 64,467 miles, compared with 43,676 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Audi RS Q3 cars for sale · 2021 Audi RS Q3 price guide
Photos
25 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.