2021 Audi A3 1.0 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.0 TFSI 30 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
• Year: 2021
• Mileage: 33,824 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.0 litres, 108 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 132 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 33,824 miles, this 2021 Audi A3 S Line has covered about 8,600 fewer miles than other 2021 Audi A3 cars. The AskCar estimate for this car is £16,295. It is priced at £16,699, which is £404 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,729 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. It is advertised by Sandles Cars in Kings Lynn. 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: £404 (2%) over the AskCar estimate of £16,295.

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 6,729 priced Audi A3 adverts across different ages and specifications, as of 6 November 2026.

A 2021 Audi A3 with the 1.0 petrol engine is typically advertised at £15,000: the median of the 92 for sale on AskCar, as of 6 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: 433 of the 772 first advertised between 7 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £16,699. 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 1 December 2026.

It has had 2 MOTs. The latest, on 28 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 29,232 miles, which matches the advertised 33,824 miles.

Advertised mileage is about 8,600 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

9 other 2021 Audi A3 S Line 1.0 petrol manual hatchbacks are for sale at UK dealers, from £14,200 to £16,995, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.0 petrol hatchback, blue. Mileage: 33,032 miles. Price: £16,995, £296 more than this car. Dealer: Auto Station in Elgin. AskCar page: https://askcar.co.uk/car/audi-a3-2021-8e516fb74b1d
• 2021 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 32,500 miles. Price: £16,495, £204 less than this car. Dealer: Leeds Motor Company in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2021-0855f216f468
• 2021 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 36,749 miles. Price: £15,199, £1,500 less than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/audi-a3-2021-f989444ffadf

• The nearest: 2021 Audi A3 S Line, 1.0 petrol hatchback, blue, 55 miles from this car. Mileage: 42,000 miles. Price: £14,950, £1,749 less than this car. Dealer: Windmill Autos in Sandy. AskCar page: https://askcar.co.uk/car/audi-a3-2021-7ffad608ba55