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: 21,721 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.0 litres, 108 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 132 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line has covered 21,721 miles, around 21,900 fewer miles than is typical for its age. The AskCar estimate for this car is £17,097. It is priced at £16,250, which is £847 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 25 days ago, and its asking price has since fallen by £2,249. Its advertised mileage matches the government's MOT record. The seller is Sytner Select Nottingham, based in Nottingham. 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: £847 (4%) under the AskCar estimate of £17,097.

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 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

A 2021 Audi A3 with the 1.0 petrol engine is typically advertised at £15,000: the median of the 87 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi A3 has been on sale for at least 25 days.

Price history

AskCar first saw this advert on 8 October 2026 at £18,499. Its asking price is now £16,250, £2,249 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 8 October 2026: £18,499
• 23 October 2026: £16,400
• 28 October 2026: £16,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 19 September 2027.

It has had 3 MOTs. The latest, on 15 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 21,835 miles, which matches the advertised 21,721 miles.

Advertised mileage is about 21,900 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

6 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 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 17,350 miles. Price: £16,499, £249 more than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/audi-a3-2021-3621e4a68258
• 2021 Audi A3 S Line, 1.0 petrol hatchback, blue. Mileage: 33,032 miles. Price: £16,995, £745 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, white. Mileage: 36,749 miles. Price: £15,199, £1,051 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, 40 miles from this car. Mileage: 52,604 miles. Price: £14,200, £2,050 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a3-2021-4b020f66a307