2021 Audi Q3 1.5 TFSI CoD S Line

Price: £24,990. Above the going rate: £3,140 (14%) over the AskCar estimate of £21,850, 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: 26,773 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: 159 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 26,773 miles on the clock, this 2021 Audi Q3 S Line has done roughly 15,200 fewer miles than a typical 2021 Audi Q3. The AskCar estimate for this car is £21,850. It is priced at £24,990, which is £3,140 above that estimate. The AskCar estimate uses UK dealer asking prices, including 3,432 Audi Q3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 39 days ago. Its asking price has since fallen by £460. The latest recorded MOT expiry date is 28 October 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Audi Approved Aylesbury, based in Aylesbury. 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

Above the going rate: £3,140 (14%) over the AskCar estimate of £21,850.

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 39 days.

Price history

AskCar first saw this advert on 24 September 2026 at £25,450. Its asking price is now £24,990, £460 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

  • 24 September 2026: £25,450
  • 15 October 2026: £25,390
  • 29 October 2026: £24,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 28 October 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 15 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 21,445 miles, which matches the advertised 26,773 miles.

Advertised mileage is about 15,200 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 £22,990, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 25,970 miles. Price: £21,099, £3,891 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: 25,898 miles. Price: £21,130, £3,860 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: 24,168 miles. Price: £21,999, £2,991 less than this car. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/audi-q3-2021-9055cc2e630a
  • The nearest: 2021 Audi Q3 S Line, 1.5 petrol SUV, black, 10 miles from this car. Mileage: 39,040 miles. Price: £21,233, £3,757 less than this car. Dealer: Gbi Cars in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/audi-q3-2021-626f699c5cb1

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

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Photos

38 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.