2021 Audi A5 2.0 TDI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TDI 40 S Line S tronic 4WD Euro 6 (s/s) 5dr Sportback (201 bhp)
• Year: 2021
• Mileage: 77,599 miles
• Fuel: Diesel, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 150 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 77,599 miles, this 2021 Audi A5 S Line has covered about 26,600 more miles than other 2021 Audi A5 cars. The AskCar estimate for this car is £18,292. It is priced at £17,990, which is £302 below that estimate. The AskCar estimate uses 1,830 UK dealer adverts for the Audi A5, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 9 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Mossgate Motors in Oldham. 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: £302 (1%) under the AskCar estimate of £18,292.

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 1,830 priced Audi A5 adverts across different ages and specifications, as of 2 November 2026.

A 2021 Audi A5 with the 2.0 diesel engine is typically advertised at £19,700: the median of the 119 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi A5 has been on sale for at least 9 days.

Price history

AskCar first saw this advert on 24 October 2026 at £17,990. 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 2 November 2026: valid until 25 March 2027.

It failed its MOT on 23 March 2026 (nearside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords inner sidewall; nearside front windscreen wiper blade defective; offside front windscreen wiper blade defective) and passed later the same day.

Advisories at the latest test: nearside front windscreen wiper blade defective; offside front windscreen wiper blade defective.

Mileage at that test: 61,899 miles, which matches the advertised 77,599 miles.

Advertised mileage is about 26,600 miles higher than the median mileage of a 2021 Audi A5 on AskCar.

Similar cars

30 other 2021 Audi A5 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £13,995 to £22,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 75,492 miles. Price: £18,699, £709 more than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/audi-a5-2021-997ff71f3c05
• 2021 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 73,350 miles. Price: £17,990, the same price as this car. Dealer: Brownroyd Motors in Heywood. AskCar page: https://askcar.co.uk/car/audi-a5-2021-11ba96e7ac1f
• 2021 Audi A5 S Line, 2.0 diesel hatchback, blue. Mileage: 82,210 miles. Price: £16,450, £1,540 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-a5-2021-9c6f94bffb32

• The nearest: 2021 Audi A5 S Line, 2.0 diesel hatchback, grey, 5 miles from this car. Mileage: 111,500 miles. Price: £13,995, £3,995 less than this car. Dealer: Castleton Motor Group in Rochdale. AskCar page: https://askcar.co.uk/car/audi-a5-2021-dda167264eda