2021 Audi Q3 2.0 TDI S Line
Price: £20,290. Fair price: £2 (under 1%) under the AskCar estimate of £20,292, 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: 2.0 TDI 35 S Line S tronic 4WD Euro 6 (s/s) 5dr (148 bhp)
- Year: 2021
- Mileage: 62,895 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Four-wheel drive
- Colour: White
- CO2: 164 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 62,895 miles, this 2021 Audi Q3 S Line has covered about 20,900 more miles than other 2021 Audi Q3 cars. Priced at £20,290, it is advertised £2 below the AskCar estimate of £20,292. The AskCar estimate uses 3,432 UK dealer adverts for the Audi Q3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 18 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Fermanagh Auto Sales in Enniskillen. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £2 (under 1%) under the AskCar estimate of £20,292.
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 2.0 diesel engine is typically advertised at £20,300: the median of the 75 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2021 Audi Q3 has been on sale for at least 18 days.
Price history
AskCar first saw this advert on 15 October 2026 at £20,290. 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 23 June 2027.
It failed its MOT on 27 May 2026 (windscreen damaged but not adversely affecting driver's view; nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords 235/50/19) and passed 2 days later, on 29 May 2026.
Advisories at the latest test: offside front windscreen damaged but not adversely affecting driver's view cracked; offside front brake pad(s) wearing thin 2mm remaining only; offside rear brake pad(s) wearing thin 2mm remaining only; and 3 more.
Mileage at that test: 60,715 miles, which matches the advertised 62,895 miles.
Advertised mileage is about 20,900 miles higher than the median mileage of a 2021 Audi Q3 on AskCar.
Similar cars
22 other 2021 Audi Q3 S Line 2.0 diesel automatic SUVs are for sale at UK dealers, from £13,990 to £23,500, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 61,900 miles. Price: £19,990, £300 less than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/audi-q3-2021-f0e9100aab19
- 2021 Audi Q3 S Line, 2.0 diesel SUV, blue. Mileage: 64,000 miles. Price: £20,395, £105 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-q3-2021-77950fe7dd51
- 2021 Audi Q3 S Line, 2.0 diesel SUV, silver. Mileage: 65,000 miles. Price: £18,900, £1,390 less than this car. Dealer: The Car Traders London in Romford. AskCar page: https://askcar.co.uk/car/audi-q3-2021-7020d181d7d6
- The nearest: 2021 Audi Q3 S Line, 2.0 diesel SUV, black, 38 miles from this car. Mileage: 57,000 miles. Price: £21,795, £1,505 more than this car. Dealer: Moy Auto Services in Dungannon. AskCar page: https://askcar.co.uk/car/audi-q3-2021-b46b23693b1a
Browse all Audi Q3 cars for sale · 2021 Audi Q3 price guide
More like this
- Used Audi Q3 S Line prices
- Used Audi Q3 for sale under £30,000
- Used automatic Audi Q3 for sale
- Used diesel Audi Q3 for sale
Photos
9 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.