2021 Audi Q3 1.5 TFSI CoD S Line

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: 35,895 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 158 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 35,895 miles, this 2021 Audi Q3 S Line has covered about 6,100 fewer miles than other 2021 Audi Q3 cars. Priced at £20,324, it is advertised £437 below the AskCar estimate of £20,761. To work out the AskCar estimate, we analyse UK dealer adverts for 3,525 Audi Q3 cars across different ages and specifications. It first appeared in our advert records 1 day ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Carsa Durham in County Durham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £437 (2%) under the AskCar estimate of £20,761.

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 3,525 priced Audi Q3 adverts across different ages and specifications, as of 6 November 2026.

A 2021 Audi Q3 with the 1.5 petrol engine is typically advertised at £20,000: the median of the 215 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2021 Audi Q3 advertised 1 day ago. About half of 2021 Audi Q3 cars are gone from sale within a month of being advertised: 191 of the 392 first advertised between 8 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £20,324. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 23 October 2027.

It has had 3 MOTs. The latest, on 10 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 34,438 miles, which matches the advertised 35,895 miles.

Advertised mileage is about 6,100 miles lower than the median mileage of a 2021 Audi Q3 on AskCar.

Similar cars

36 other 2021 Audi Q3 S Line 1.5 petrol automatic SUVs are for sale at UK dealers, from £14,495 to £24,990, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 35,000 miles. Price: £17,999, £2,325 less than this car. Dealer: Phoenix Way Car Dealership in Egham. AskCar page: https://askcar.co.uk/car/audi-q3-2021-bd11cbab874c
• 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 34,976 miles. Price: £20,799, £475 more than this car. Dealer: EMG Motor Group Thetford Kia in Thetford. AskCar page: https://askcar.co.uk/car/audi-q3-2021-9d35854857d2
• 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 37,878 miles. Price: £21,469, £1,145 more than this car. Dealer: Marriott Motor Group Bury St Edmunds Audi in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/audi-q3-2021-8f26a17d1018

• The nearest: 2021 Audi Q3 S Line, 1.5 petrol SUV, grey, 28 miles from this car. Mileage: 80,941 miles. Price: £15,600, £4,724 less than this car. Dealer: Evans Halshaw Vauxhall Shiremoor in Shiremoor. AskCar page: https://askcar.co.uk/car/audi-q3-2021-e65eb5b983e3