2021 Audi Q3 1.5 TFSI CoD S Line
Price: £18,660. Good value: £1,965 (9%) under the AskCar estimate of £20,625, 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 CoD 35 S Line Manual FWD Euro 6 (s/s) 5dr (148 bhp)
- Year: 2021
- Mileage: 20,251 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: White
- CO2: 157 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi Q3 S Line has covered 20,251 miles, around 21,900 fewer miles than is typical for its age. Priced at £18,660, it is advertised £1,965 below the AskCar estimate of £20,625. The AskCar estimate uses UK dealer asking prices, including 3,488 Audi Q3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 76 days ago. Its asking price has since fallen by £130. The latest recorded MOT expiry date is 10 March 2026, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. You can find this car at Sonny Adams Motor Company in Hertford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Good value: £1,965 (9%) under the AskCar estimate of £20,625.
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 76 days.
Price history
AskCar first saw this advert on 20 August 2026 at £18,790. Its asking price is now £18,660, £130 less. The latest price cut was seen on 3 November 2026.
Price changes recorded:
- 20 August 2026: £18,790
- 27 August 2026: £18,590
- 1 September 2026: £18,690
- 11 September 2026: £18,500
- 25 September 2026: £18,140
- 1 October 2026: £17,990
- 7 October 2026: £17,700
- 16 October 2026: £17,500
- 20 October 2026: £17,450
- 24 October 2026: £17,500
- 26 October 2026: £18,990
- 29 October 2026: £18,960
- 1 November 2026: £18,790
- 3 November 2026: £18,660
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 10 March 2026; ask the dealer for the current MOT.
It has had one MOT, on 11 March 2025, and passed.
Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge.
Mileage at that test: 14,597 miles, which matches the advertised 20,251 miles.
Advertised mileage is about 21,900 miles lower than the median mileage of a 2021 Audi Q3 on AskCar.
Similar cars
31 other 2021 Audi Q3 S Line 1.5 petrol manual SUVs are for sale at UK dealers, from £11,950 to £24,140, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 22,076 miles. Price: £22,990, £4,330 more than this car. Dealer: Hodgson Car Sales in Scarborough. AskCar page: https://askcar.co.uk/car/audi-q3-2021-98e79c2bed4a
- 2021 Audi Q3 S Line, 1.5 petrol SUV, black. Mileage: 22,295 miles. Price: £20,995, £2,335 more than this car. Dealer: Lookers Audi Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/audi-q3-2021-1e5bc1b169eb
- 2021 Audi Q3 S Line, 1.5 petrol SUV, blue. Mileage: 23,346 miles. Price: £21,698, £3,038 more than this car. Dealer: CarSupermarket.com Hessle in Hessle. AskCar page: https://askcar.co.uk/car/audi-q3-2021-657670d64971
- The nearest: 2021 Audi Q3 S Line, 1.5 petrol SUV, grey, under a mile from this car. Mileage: 95,714 miles. Price: £13,550, £5,110 less than this car. Dealer: Sonny Adams Motor Company in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/audi-q3-2021-e9342bf35de6
Browse all Audi Q3 cars for sale · 2021 Audi Q3 price guide
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Photos
33 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.