2021 Audi Q3 1.5 TFSI CoD S Line
Price: £21,233. Fair price: £680 (3%) over the AskCar estimate of £20,553, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,432 priced Audi Q3 adverts on AskCar as of 2 November 2026.
AskCar lists 3,502 used Audi Q3 from 1,622 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: Q3
- Trim: S Line
- Version: 1.5 TFSI CoD 35 S Line S tronic FWD Euro 6 (s/s) 5dr (148 bhp)
- Year: 2021
- Mileage: 39,040 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Black
- CO2: 159 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 39,040 miles, this 2021 Audi Q3 S Line has covered about 3,000 fewer miles than other 2021 Audi Q3 cars. Its asking price of £21,233 is £680 above the AskCar estimate of £20,553. The AskCar estimate uses 3,432 UK dealer adverts for the Audi Q3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 73 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Gbi Cars in Leighton Buzzard. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £680 (3%) over the AskCar estimate of £20,553.
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 3,432 priced Audi Q3 adverts across different ages and specifications, as of 2 November 2026.
A 2021 Audi Q3 with the 1.5 petrol engine is typically advertised at £20,000: the median of the 211 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2021 Audi Q3 has been on sale for at least 73 days.
Price history
AskCar first saw this advert on 21 August 2026 at £21,233. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 15 April 2027.
It has had 3 MOTs. The latest, on 31 March 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 34,907 miles, which matches the advertised 39,040 miles.
Advertised mileage is about 3,000 miles lower than the median mileage of a 2021 Audi Q3 on AskCar.
Similar cars
38 other 2021 Audi Q3 S Line 1.5 petrol automatic SUVs are for sale at UK dealers, from £14,699 to £24,990, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi Q3 S Line, 1.5 petrol SUV, blue. Mileage: 39,000 miles. Price: £19,990, £1,243 less than this car. Dealer: Sk Car Sales . Com in Enfield. AskCar page: https://askcar.co.uk/car/audi-q3-2021-daeea4d014b0
- 2021 Audi Q3 S Line, 1.5 petrol SUV, white. Mileage: 38,209 miles. Price: £20,998, £235 less than this car. Dealer: Arnold Clark Stirling Vauxhall in Stirling. AskCar page: https://askcar.co.uk/car/audi-q3-2021-0f13df428242
- 2021 Audi Q3 S Line, 1.5 petrol SUV, red. Mileage: 40,117 miles. Price: £18,999, £2,234 less than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/audi-q3-2021-3df80cbc783a
- The nearest: 2021 Audi Q3 S Line, 1.5 petrol SUV, grey, 6 miles from this car. Mileage: 52,231 miles. Price: £17,551, £3,682 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/audi-q3-2021-51fa6ecfed95
Browse all Audi Q3 cars for sale · 2021 Audi Q3 price guide
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Photos
10 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.