2021 Audi Q3 2.0 TDI S Line

Overview

• Make: Audi
• Model: Q3
• Trim: S Line
• Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2021
• Mileage: 133,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 140 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 133,000 miles on the clock, this 2021 Audi Q3 S Line has done roughly 90,900 more miles than a typical 2021 Audi Q3. The dealer is asking £14,809, which is £2,122 above the AskCar estimate of £12,687. To work out the AskCar estimate, we analyse UK dealer adverts for 3,488 Audi Q3 cars across different ages and specifications. We first recorded this advert 102 days ago, and its asking price has since fallen by £1,000. The government's MOT record matches its advertised mileage. You can find this car at FM Motor Co in Wembley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,122 (16%) over the AskCar estimate of £12,687.

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 2.0 diesel engine is typically advertised at £20,300: the median of the 75 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 Audi Q3 has been on sale for at least 102 days.

Price history

AskCar first saw this advert on 25 July 2026 at £15,809. Its asking price is now £14,809, £1,000 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

• 25 July 2026: £15,809
• 11 September 2026: £15,509
• 13 October 2026: £14,909
• 18 October 2026: £14,809

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 23 June 2027.

It has had 5 MOTs. The latest, on 4 June 2026, passed.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 131,807 miles, which matches the advertised 133,000 miles.

Advertised mileage is about 90,900 miles higher than the median mileage of a 2021 Audi Q3 on AskCar.

Similar cars

21 other 2021 Audi Q3 S Line 2.0 diesel automatic SUVs are for sale at UK dealers, from £14,499 to £23,500, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi Q3 S Line, 2.0 diesel SUV, white. Mileage: 102,770 miles. Price: £14,499, £310 less than this car. Dealer: Audi Technik Centre in Glasgow. AskCar page: https://askcar.co.uk/car/audi-q3-2021-7d4bbf082851
• 2021 Audi Q3 S Line, 2.0 diesel SUV, blue. Mileage: 98,486 miles. Price: £15,590, £781 more than this car. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-q3-2021-2b4fb57d4ebe
• 2021 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 86,182 miles. Price: £15,990, £1,181 more than this car. Dealer: Jan Autos in Luton. AskCar page: https://askcar.co.uk/car/audi-q3-2021-f50618c70213

• The nearest: 2021 Audi Q3 S Line, 2.0 diesel SUV, grey, 16 miles from this car. Mileage: 71,018 miles. Price: £17,489, £2,680 more than this car. Dealer: The Hertford Car Company in Hertford. AskCar page: https://askcar.co.uk/car/audi-q3-2021-83c6d3ec5f0c