2021 Audi Q3 2.0 TDI S Line

Price: £27,250. Fair price: £1,194 (4%) over the AskCar estimate of £26,056, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,519 priced Audi Q3 adverts on AskCar as of 7 November 2026.

AskCar lists 3,587 used Audi Q3 from 1,644 UK dealerships, as of 7 November 2026.

Overview

  • Make: Audi
  • Model: Q3
  • Trim: S Line
  • Version: 2.0 40 TDI S Line S tronic 4WD Euro 6 5dr (197 bhp)
  • Year: 2021
  • Mileage: 25,669 miles
  • Fuel: Diesel
  • Body: 5 doors, 5 seats
  • Engine: 2.0 litres, 197 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 175 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi Q3 S Line is advertised with 25,669 miles, approximately 16,300 below the typical mileage for its age. Priced at £27,250, it is advertised £1,194 above the AskCar estimate of £26,056. The AskCar estimate draws on 3,519 Audi Q3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 42 days ago, the asking price has dropped by £1,000. Its advertised mileage matches the government's MOT record. The seller is Sytner Group Leicester Audi, based in Leicester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,194 (4%) over the AskCar estimate of £26,056.

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 3,519 priced Audi Q3 adverts across different ages and specifications, as of 7 November 2026.

A 2021 Audi Q3 with the 2.0 diesel engine is typically advertised at £20,400: the median of the 72 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Audi Q3 has been on sale for at least 42 days.

Price history

AskCar first saw this advert on 26 September 2026 at £28,250. Its asking price is now £27,250, £1,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

  • 26 September 2026: £28,250
  • 18 October 2026: £27,750
  • 31 October 2026: £27,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 6 June 2027.

It has had 3 MOTs. The latest, on 6 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 22,593 miles, which matches the advertised 25,669 miles.

Advertised mileage is about 16,300 miles lower than the median mileage of a 2021 Audi Q3 on AskCar.

Browse all Audi Q3 cars for sale · 2021 Audi Q3 price guide

More like this

Photos

22 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.