2021 Audi A3 1.0 TFSI S Line
Price: £12,995. Fair price: £508 (4%) over the AskCar estimate of £12,487, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,763 priced Audi A3 adverts on AskCar as of 14 November 2026.
AskCar lists 6,922 used Audi A3 from 2,322 UK dealerships, as of 14 November 2026.
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: 79,000 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 1.0 litres, 108 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: White
- CO2: 128 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 79,000 miles, this 2021 Audi A3 S Line has covered about 35,300 more miles than other 2021 Audi A3 cars. The dealer is asking £12,995, which is £508 above the AskCar estimate of £12,487. To work out the AskCar estimate, we analyse UK dealer adverts for 6,763 Audi A3 cars across different ages and specifications. We first recorded this car for sale 3 days ago. It is advertised by Richard Dorrian Cars in Bangor. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 14 November 2026.
Richard Dorrian Cars is rated 4.7 out of 5 on Google.
Price
Fair price: £508 (4%) over the AskCar estimate of £12,487.
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 6,763 priced Audi A3 adverts across different ages and specifications, as of 14 November 2026.
A 2021 Audi A3 with the 1.0 petrol engine is typically advertised at £14,900: the median of the 90 for sale on AskCar, as of 14 November 2026.
Time on sale
AskCar first saw this 2021 Audi A3 advertised 3 days ago. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 470 of the 834 first advertised between 14 July 2026 and 11 October 2026.
Price history
AskCar first saw this advert on 11 November 2026 at £12,995. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 35,300 miles higher 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 14 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi A3 S Line, 1.0 petrol saloon, grey. Mileage: 53,000 miles. Price: £14,990, £1,995 more than this car. Dealer: Auto Unit in Newport. AskCar page: https://askcar.co.uk/car/audi-a3-2021-d9c459b21f3c
- 2021 Audi A3 S Line, 1.0 petrol saloon, blue. Mileage: 45,455 miles. Price: £16,998, £4,003 more than this car. Dealer: Arnold Clark Newcastle OMODA / JAECOO in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-a3-2021-0eaec860b411
- 2021 Audi A3 S Line, 1.0 petrol saloon, white. Mileage: 42,111 miles. Price: £14,400, £1,405 more than this car. Dealer: Sytner Select Northampton in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2021-e262a5b8a44a
- The nearest: 2021 Audi A3 S Line, 1.0 petrol saloon, black, 10 miles from this car. Mileage: 24,833 miles. Price: £17,990, £4,995 more than this car. Dealer: Agnew Group Belfast Audi in Belfast. AskCar page: https://askcar.co.uk/car/audi-a3-2021-b6bfef9aaa94
Browse all Audi A3 cars for sale · 2021 Audi A3 price guide
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Photos
22 photos of this car are on its AskCar page.
As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.