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: 42,260 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

The advertised mileage for this 2021 Audi Q3 S Line is 42,260 miles. Its asking price of £19,850 is £267 below the AskCar estimate of £20,117. The AskCar estimate uses 3,499 UK dealer adverts for the Audi Q3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 20 days ago. Its asking price has since fallen by £450. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Car Planet Watford in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £267 (1%) under the AskCar estimate of £20,117.

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 3,499 priced Audi Q3 adverts across different ages and specifications, as of 5 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 5 November 2026.

Time on sale

This 2021 Audi Q3 has been on sale for at least 20 days.

Price history

AskCar first saw this advert on 16 October 2026 at £20,300. Its asking price is now £19,850, £450 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 16 October 2026: £20,300
• 28 October 2026: £20,100
• 3 November 2026: £19,850

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 22 September 2027.

It has had 3 MOTs. The latest, on 23 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,111 miles, which matches the advertised 42,260 miles.

Advertised mileage is about 300 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 £14,495 to £24,990, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 43,152 miles. Price: £22,990, £3,140 more than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/audi-q3-2021-ebf6422fc3a7
• 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 41,075 miles. Price: £18,990, £860 less than this car. Dealer: Waylands Approved Petersfield in Petersfield. AskCar page: https://askcar.co.uk/car/audi-q3-2021-4df49676941d
• 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 40,999 miles. Price: £19,322, £528 less than this car. Dealer: HK Cars in Bolton. AskCar page: https://askcar.co.uk/car/audi-q3-2021-eb98a31cbc1d

• The nearest: 2021 Audi Q3 S Line, 1.5 petrol SUV, blue, 14 miles from this car. Mileage: 39,000 miles. Price: £19,990, £140 more than this car. Dealer: Sk Car Sales . Com in Enfield. AskCar page: https://askcar.co.uk/car/audi-q3-2021-daeea4d014b0