2021 Audi Q3 1.5 TFSI CoD S Line
Price: £18,495. Fair price: £843 (4%) under the AskCar estimate of £19,338, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,488 priced Audi Q3 adverts on AskCar as of 4 November 2026.
AskCar lists 3,545 used Audi Q3 from 1,632 UK dealerships, as of 4 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: 50,000 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: 158 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 50,000 miles, this 2021 Audi Q3 S Line has covered about 7,900 more miles than other 2021 Audi Q3 cars. Priced at £18,495, it is advertised £843 below the AskCar estimate of £19,338. The AskCar estimate uses 3,488 UK dealer adverts for the Audi Q3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 1 day ago. The government's MOT record matches its advertised mileage. You can find this car at Cars2 in Barnsley. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £843 (4%) under the AskCar estimate of £19,338.
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 3,488 priced Audi Q3 adverts across different ages and specifications, as of 4 November 2026.
A 2021 Audi Q3 with the 1.5 petrol engine is typically advertised at £20,000: the median of the 213 for sale on AskCar, as of 4 November 2026.
Time on sale
AskCar first saw this 2021 Audi Q3 advertised 1 day ago. About half of 2021 Audi Q3 cars are gone from sale within a month of being advertised: 187 of the 385 first advertised between 8 July 2026 and 1 October 2026.
Price history
AskCar first saw this advert on 3 November 2026 at £18,495. 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 4 November 2026: valid until 19 January 2027.
It has had 4 MOTs. The latest, on 19 January 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 45,793 miles, which matches the advertised 50,000 miles.
Advertised mileage is about 7,900 miles higher 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 £14,495 to £24,990, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi Q3 S Line, 1.5 petrol SUV, blue. Mileage: 50,000 miles. Price: £19,995, £1,500 more than this car. Dealer: First Class Cars Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/audi-q3-2021-cf13829902eb
- 2021 Audi Q3 S Line, 1.5 petrol SUV, black. Mileage: 51,951 miles. Price: £19,313, £818 more than this car. Dealer: Barn Cars in Brentwood. AskCar page: https://askcar.co.uk/car/audi-q3-2021-24f5fea2ca80
- 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 52,231 miles. Price: £17,546, £949 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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- Used petrol Audi Q3 for sale
Photos
1 photo of this car is on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.