2021 Audi Q3 1.5 TFSI CoD S Line

Price: £19,322. Fair price: £1,020 (5%) under the AskCar estimate of £20,342, 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: 1.5 TFSI CoD 35 S Line S tronic FWD Euro 6 (s/s) 5dr (148 bhp)
  • Year: 2021
  • Mileage: 40,999 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 158 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 Audi Q3 S Line is 40,999 miles. Its asking price of £19,322 is £1,020 below the AskCar estimate of £20,342. To work out the AskCar estimate, we analyse UK dealer adverts for 3,432 Audi Q3 cars across different ages and specifications. We first saw this car advertised 158 days ago. Its asking price has since fallen by £2,553. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by HK Cars in Bolton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,020 (5%) under the AskCar estimate of £20,342.

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 1.5 petrol engine is typically advertised at £20,000: the median of the 211 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi Q3 has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £21,875. Its asking price is now £19,322, £2,553 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

  • 29 May 2026: £21,875
  • 30 May 2026: £21,422
  • 3 June 2026: £20,975
  • 6 June 2026: £20,765
  • 16 June 2026: £20,544
  • 18 June 2026: £20,422
  • 12 July 2026: £20,222
  • 31 July 2026: £19,975
  • 15 August 2026: £19,875
  • 4 September 2026: £19,864
  • 11 September 2026: £19,842
  • 17 September 2026: £19,765
  • 25 September 2026: £19,642
  • 2 October 2026: £19,544
  • 10 October 2026: £19,422
  • 29 October 2026: £19,322

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 19 February 2027.

It has had 3 MOTs. The latest, on 11 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 39,898 miles, which matches the advertised 40,999 miles.

Advertised mileage is about 1,000 miles lower than the median mileage of a 2021 Audi Q3 on AskCar.

Similar cars

38 other 2021 Audi Q3 S Line 1.5 petrol automatic SUVs are for sale at UK dealers, from £14,699 to £24,990, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 41,075 miles. Price: £18,990, £332 less than this car. Dealer: Waylands Approved Petersfield in Petersfield. AskCar page: https://askcar.co.uk/car/audi-q3-2021-4df49676941d
  • 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 40,335 miles. Price: £19,994, £672 more than this car. Dealer: West Riding Hyundai Bolton in Bolton. AskCar page: https://askcar.co.uk/car/audi-q3-2021-9c079d260966
  • 2021 Audi Q3 S Line, 1.5 petrol SUV, red. Mileage: 40,117 miles. Price: £18,999, £323 less than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/audi-q3-2021-3df80cbc783a

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

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Photos

41 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.