2021 Audi Q3 1.5 TFSI S Line

Price: £21,240. Fair price: £344 (1%) under the AskCar estimate of £21,584, 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 S Line Manual FWD Euro 6 5dr 35 (147 bhp)
  • Year: 2021
  • Mileage: 11,939 miles
  • Fuel: Petrol
  • Body: 5 doors, 5 seats
  • Engine: 1.5 litres, 147 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 152 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi Q3 S Line is advertised with 11,939 miles, approximately 30,200 below the typical mileage for its age. Priced at £21,240, it is advertised £344 below the AskCar estimate of £21,584. The AskCar estimate uses UK dealer asking prices, including 3,488 Audi Q3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 19 days ago, the asking price has dropped by £260. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Trust Ford Wilmslow, based in Wilmslow. 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

Fair price: £344 (1%) under the AskCar estimate of £21,584.

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

This 2021 Audi Q3 has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 16 October 2026 at £21,500. Its asking price is now £21,240, £260 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 16 October 2026: £21,500
  • 22 October 2026: £21,250
  • 3 November 2026: £21,240

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 22 September 2027.

It has had 3 MOTs. The latest, on 23 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 11,829 miles, which matches the advertised 11,939 miles.

Advertised mileage is about 30,200 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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Photos

40 photos of this car are 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.