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) 4dr (108 bhp)
• Year: 2021
• Mileage: 38,862 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.0 litres, 108 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line has covered 38,862 miles, around 4,600 fewer miles than is typical for its age. The dealer is asking £15,380, which is £560 below the AskCar estimate of £15,940. To work out the AskCar estimate, we analyse UK dealer adverts for 6,629 Audi A3 cars across different ages and specifications. It first appeared in our advert records today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw Citroen Sheffield, based in Sheffield. 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: £560 (3%) under the AskCar estimate of £15,940.

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 1.0 petrol engine is typically advertised at £15,000: the median of the 87 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 £15,380. 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 21 April 2027.

It has had 3 MOTs. The latest, on 28 March 2026, passed.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; nearside front shock absorbers has light misting of oil; nearside rear tyre slightly damaged/cracking or perishing; and 1 more.

Mileage at that test: 34,128 miles, which matches the advertised 38,862 miles.

Advertised mileage is about 4,600 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

7 other 2021 Audi A3 S Line 1.0 petrol manual saloons are for sale at UK dealers, from £14,400 to £17,990, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.0 petrol saloon, white. Mileage: 42,111 miles. Price: £14,400, £980 less than this car. Dealer: Sytner Select Northampton in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2021-e262a5b8a44a
• 2021 Audi A3 S Line, 1.0 petrol saloon, white. Mileage: 35,588 miles. Price: £16,299, £919 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2021-39d3b30b70a6
• 2021 Audi A3 S Line, 1.0 petrol saloon, grey. Mileage: 35,018 miles. Price: £16,199, £819 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2021-61cc72f32564

• The nearest: 2021 Audi A3 S Line, 1.0 petrol saloon, black, 61 miles from this car. Mileage: 33,574 miles. Price: £15,390, the same price as this car. Dealer: Carcart in Willenhall. AskCar page: https://askcar.co.uk/car/audi-a3-2021-62935ace8378