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: 51,951 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 158 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi Q3 S Line is advertised with 51,951 miles, approximately 10,000 above the typical mileage for its age. Its asking price of £19,796 is £594 above the AskCar estimate of £19,202. To work out the AskCar estimate, we analyse UK dealer adverts for 3,432 Audi Q3 cars across different ages and specifications. We have tracked this advert for 6 days. Its advertised mileage matches the government's MOT record. It is advertised by Barn Cars in Brentwood. 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: £594 (3%) over the AskCar estimate of £19,202.

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

AskCar first saw this 2021 Audi Q3 advertised 6 days ago. About half of 2021 Audi Q3 cars are gone from sale within a month of being advertised: 179 of the 362 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 27 October 2026 at £19,796. 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 2 November 2026: valid until 9 March 2027.

It failed its MOT on 24 February 2026 (windscreen damaged but not adversely affecting driver's view; offside rear tyre has ply or cords exposed outer sidewall) and passed later the same day.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view; nearside front shock absorbers has light misting of oil; offside front shock absorbers has light misting of oil; and 2 more.

Mileage at that test: 44,838 miles, which matches the advertised 51,951 miles.

Advertised mileage is about 10,000 miles higher 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: 52,231 miles. Price: £17,551, £2,245 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/audi-q3-2021-51fa6ecfed95
• 2021 Audi Q3 S Line, 1.5 petrol SUV, white. Mileage: 52,771 miles. Price: £19,498, £298 less than this car. Dealer: Arnold Clark Derby Motorstore in Derby. AskCar page: https://askcar.co.uk/car/audi-q3-2021-0287c3f7f4d9
• 2021 Audi Q3 S Line, 1.5 petrol SUV, blue. Mileage: 50,000 miles. Price: £19,995, £199 more than this car. Dealer: First Class Cars Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/audi-q3-2021-cf13829902eb

• The nearest: 2021 Audi Q3 S Line, 1.5 petrol SUV, grey, 8 miles from this car. Mileage: 54,000 miles. Price: £22,990, £3,194 more than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/audi-q3-2021-4031d2fb2ebc