2021 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2021
• Mileage: 68,348 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line has covered 68,348 miles, around 24,800 more miles than is typical for its age. Its asking price of £13,677 is £516 below the AskCar estimate of £14,193. To work out the AskCar estimate, we analyse UK dealer adverts for 6,629 Audi A3 cars across different ages and specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is Carbase Lympsham, based in Lympsham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £516 (3%) under the AskCar estimate of £14,193.

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 6,629 priced Audi A3 adverts across different ages and specifications, as of 10 November 2026.

A 2021 Audi A3 with the 1.5 petrol engine is typically advertised at £17,800: the median of the 186 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2021 Audi A3 advertised today. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 459 of the 812 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £13,677. 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 10 November 2026: valid until 4 April 2027.

It has had 3 MOTs. The latest, on 19 March 2026, passed.

Advisories at the latest test: windscreen wiper blade defective.

Mileage at that test: 63,655 miles, which matches the advertised 68,348 miles.

Advertised mileage is about 24,800 miles higher than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

23 other 2021 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £12,795 to £18,350, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 71,881 miles. Price: £14,495, £818 more than this car. Dealer: Simpson Motors in Dunfermline. AskCar page: https://askcar.co.uk/car/audi-a3-2021-8d006f3aef1a
• 2021 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 63,297 miles. Price: £15,499, £1,822 more than this car. Dealer: Pinetree Car Superstore - Tonypandy in Tonypandy. AskCar page: https://askcar.co.uk/car/audi-a3-2021-76d67551a08b
• 2021 Audi A3 S Line, 1.5 petrol hatchback, red. Mileage: 73,500 miles. Price: £14,299, £622 more than this car. Dealer: Stratstone Manchester Audi in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2021-a4f6bae75b27