2021 Audi Q3 1.5 TFSI CoD S Line

Price: £21,999. Fair price: £92 (under 1%) under the AskCar estimate of £22,091, 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: 24,168 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

At 24,168 miles, this 2021 Audi Q3 S Line has covered about 17,800 fewer miles than other 2021 Audi Q3 cars. The AskCar estimate for this car is £22,091. It is priced at £21,999, which is £92 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 3,432 Audi Q3 cars across different ages and specifications. Since we first spotted the advert 58 days ago, the asking price has dropped by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is HPL Preston, based in Preston. 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: £92 (under 1%) under the AskCar estimate of £22,091.

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 58 days.

Price history

AskCar first saw this advert on 5 September 2026 at £22,999. Its asking price is now £21,999, £1,000 less. The latest price cut was seen on 7 October 2026.

Price changes recorded:

  • 5 September 2026: £22,999
  • 7 October 2026: £21,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 23 December 2026.

It has had 2 MOTs. The latest, on 8 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 20,960 miles, which matches the advertised 24,168 miles.

Advertised mileage is about 17,800 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: 25,898 miles. Price: £21,130, £869 less than this car. Dealer: Evans Halshaw Vauxhall Wigan in Wigan. AskCar page: https://askcar.co.uk/car/audi-q3-2021-7b39ecc717d4
  • 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 25,970 miles. Price: £21,099, £900 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/audi-q3-2021-beb34ff50869
  • 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 26,773 miles. Price: £24,990, £2,991 more than this car. Dealer: Stratstone Audi Approved Aylesbury in Aylesbury. AskCar page: https://askcar.co.uk/car/audi-q3-2021-1a67b5fa8e41
  • The nearest: 2021 Audi Q3 S Line, 1.5 petrol SUV, black, 15 miles from this car. Mileage: 15,633 miles. Price: £22,340, £341 more than this car. Dealer: Evans Halshaw Ford Blackpool in Blackpool. AskCar page: https://askcar.co.uk/car/audi-q3-2021-64324d77d16b

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

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Photos

27 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.