2021 Audi Q3 1.5 S Line

Price: £21,000. Fair price: £114 (under 1%) over the AskCar estimate of £20,886, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,417 priced Audi Q3 adverts on AskCar as of 1 November 2026.

AskCar lists 3,470 used Audi Q3 from 1,601 UK dealerships, as of 1 November 2026.

Overview

  • Make: Audi
  • Model: Q3
  • Trim: S Line
  • Version: 1.5 TFSI S Line S tronic FWD Euro 6 5dr (148 bhp)
  • Year: 2021
  • Mileage: 39,650 miles
  • Fuel: Petrol
  • Body: 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 160 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi Q3 S Line has covered 39,650 miles, around 2,400 fewer miles than is typical for its age. Priced at £21,000, it is advertised £114 above the AskCar estimate of £20,886. The AskCar estimate draws on 3,417 Audi Q3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Group Derby Audi, based in Derby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price

Fair price: £114 (under 1%) over the AskCar estimate of £20,886.

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 3,417 priced Audi Q3 adverts across different ages and specifications, as of 1 November 2026.

Time on sale

AskCar first saw this 2021 Audi Q3 advertised today.

Price history

AskCar first saw this advert on 1 November 2026 at £21,000. 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 1 November 2026: valid until 20 July 2027.

It has had 3 MOTs. The latest, on 21 July 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge OSF TYRE WEARING ON INNER EDGE,NOT EXCESSIVE; nearside front tyre worn close to legal limit/worn on edge NSF TYRE GETTING LOW ON TREAD,3MM & WEARING ON EDGES.(235-50X19); nearside front shock absorbers has light misting of oil; and 1 more.

Mileage at that test: 37,488 miles, which matches the advertised 39,650 miles.

Advertised mileage is about 2,400 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

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As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.