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: 36,882 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.0 litres, 108 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 132 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line has covered 36,882 miles, around 6,400 fewer miles than is typical for its age. Its asking price of £15,950 is £36 below the AskCar estimate of £15,986. The AskCar estimate draws on 6,630 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Mon Motors Bristol Audi, based in Bristol. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £36 (under 1%) under the AskCar estimate of £15,986.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2021 Audi A3 with the 1.0 petrol engine is typically advertised at £15,000: the median of the 85 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2021 Audi A3 advertised 1 day ago. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 419 of the 741 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £15,950. 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 4 November 2026: valid until 16 July 2027.

It has had 3 MOTs. The latest, on 17 June 2026, passed.

Advisories at the latest test: offside front outer tyre has a cut but not deep enough to reach the ply or cords; nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge 225 40 18.

Mileage at that test: 34,260 miles, which matches the advertised 36,882 miles.

Advertised mileage is about 6,400 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 36,749 miles. Price: £15,199, £751 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
• 2021 Audi A3 S Line, 1.0 petrol hatchback, blue. Mileage: 33,032 miles. Price: £16,995, £1,045 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, blue. Mileage: 42,000 miles. Price: £14,950, £1,000 less than this car. Dealer: Windmill Autos in Sandy. AskCar page: https://askcar.co.uk/car/audi-a3-2021-7ffad608ba55

• The nearest: 2021 Audi A3 S Line, 1.0 petrol hatchback, blue, 83 miles from this car. Mileage: 52,604 miles. Price: £14,200, £1,750 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a3-2021-4b020f66a307