2021 Audi A3 2.0 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 2.0 TDI 30 S Line Manual FWD Euro 6 (s/s) 4dr (114 bhp)
• Year: 2021
• Mileage: 70,871 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 114 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 119 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 70,871 miles on the clock, this 2021 Audi A3 S Line has done roughly 27,300 more miles than a typical 2021 Audi A3. The dealer is asking £13,800, which is £1,095 below the AskCar estimate of £14,895. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 75 days, and its asking price has been cut by £1,360. We checked its advertised mileage against the government's MOT record, and they match. The seller is Big Motoring World Cannock, based in Cannock. 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: £1,095 (7%) under the AskCar estimate of £14,895.

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 2.0 diesel engine is typically advertised at £17,400: the median of the 45 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2021 Audi A3 has been on sale for at least 75 days, and its asking price has been cut by £1,360. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 403 of the 709 first advertised between 7 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 19 August 2026 at £15,160. Its asking price is now £13,800, £1,360 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 19 August 2026: £15,160
• 20 August 2026: £15,150
• 21 August 2026: £15,130
• 25 August 2026: £15,050
• 26 August 2026: £15,040
• 27 August 2026: £15,010
• 31 August 2026: £15,030
• 5 September 2026: £14,730
• 9 September 2026: £14,640
• 11 September 2026: £14,410
• 29 September 2026: £14,050
• 30 September 2026: £14,040
• 1 October 2026: £13,930
• 6 October 2026: £13,940
• 9 October 2026: £13,830
• 10 October 2026: £13,860
• 14 October 2026: £13,680
• 16 October 2026: £13,770
• 19 October 2026: £14,130
• 23 October 2026: £14,020
• 25 October 2026: £14,010
• 27 October 2026: £13,930
• 28 October 2026: £13,770
• 31 October 2026: £13,790
• 1 November 2026: £13,800

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 24 June 2027.

It has had 3 MOTs. The latest, on 25 June 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin; rear brake pad(s) wearing thin; offside rear tyre slightly damaged 225/40r18; and 1 more.

Mileage at that test: 68,993 miles, which matches the advertised 70,871 miles.

Advertised mileage is about 27,300 miles higher than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

1 other 2021 Audi A3 S Line 2.0 diesel manual saloon is for sale at UK dealers, as of 2 November 2026.

The closest to this car in mileage:

• 2021 Audi A3 S Line, 2.0 diesel saloon, grey. Mileage: 91,000 miles. Price: £15,495, £1,695 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-a3-2021-ff8244efaf1d