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: 52,231 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

At 52,231 miles, this 2021 Audi Q3 S Line has covered about 10,200 more miles than other 2021 Audi Q3 cars. Its asking price of £17,551 is £1,623 below the AskCar estimate of £19,174. The AskCar estimate draws on 3,432 Audi Q3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 89 days ago. Its asking price has since fallen by £1,949. We checked its advertised mileage against the government's MOT record, and they match. The seller is Quality Part X Dunstable, based in Dunstable. 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

Good value: £1,623 (8%) under the AskCar estimate of £19,174.

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 89 days.

Price history

AskCar first saw this advert on 5 August 2026 at £19,500. Its asking price is now £17,551, £1,949 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 6 August 2026: £19,500
• 12 August 2026: £19,481
• 15 August 2026: £19,400
• 18 August 2026: £19,381
• 20 August 2026: £19,371
• 21 August 2026: £19,351
• 24 August 2026: £19,300
• 27 August 2026: £19,285
• 29 August 2026: £19,250
• 1 September 2026: £19,230
• 5 September 2026: £19,200
• 8 September 2026: £19,195
• 10 September 2026: £19,150
• 12 September 2026: £18,700
• 16 September 2026: £18,685
• 18 September 2026: £18,650
• 21 September 2026: £18,640
• 24 September 2026: £18,635
• 29 September 2026: £18,530
• 3 October 2026: £18,480
• 6 October 2026: £18,400
• 10 October 2026: £18,381
• 13 October 2026: £18,350
• 16 October 2026: £18,000
• 20 October 2026: £17,900
• 22 October 2026: £17,800
• 24 October 2026: £17,700
• 27 October 2026: £17,600
• 29 October 2026: £17,586
• 31 October 2026: £17,551

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 6 March 2027.

It has had 3 MOTs. The latest, on 7 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 49,339 miles, which matches the advertised 52,231 miles.

Advertised mileage is about 10,200 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, black. Mileage: 51,951 miles. Price: £19,796, £2,245 more than this car. Dealer: Barn Cars in Brentwood. AskCar page: https://askcar.co.uk/car/audi-q3-2021-24f5fea2ca80
• 2021 Audi Q3 S Line, 1.5 petrol SUV, white. Mileage: 52,771 miles. Price: £19,498, £1,947 more 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, grey. Mileage: 54,000 miles. Price: £22,990, £5,439 more than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/audi-q3-2021-4031d2fb2ebc

• The nearest: 2021 Audi Q3 S Line, 1.5 petrol SUV, black, 6 miles from this car. Mileage: 39,040 miles. Price: £21,233, £3,682 more than this car. Dealer: Gbi Cars in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/audi-q3-2021-626f699c5cb1