2021 Audi A5 2.0 TDI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (161 bhp)
• Year: 2021
• Mileage: 49,578 miles
• Fuel: Diesel, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 161 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 Audi A5 S Line is 49,578 miles. Its asking price of £19,999 is £294 below the AskCar estimate of £20,293. The AskCar estimate uses UK dealer asking prices, including 1,830 Audi A5 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 10 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Bridgend Motor Group in Leeds. 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: £294 (1%) under the AskCar estimate of £20,293.

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 10 days.

Price history

AskCar first saw this advert on 23 October 2026 at £19,999. 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 23 August 2027.

It has had 4 MOTs. The latest, on 24 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 48,155 miles, which matches the advertised 49,578 miles.

Advertised mileage is about 1,400 miles lower 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: 48,785 miles. Price: £19,250, £749 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a5-2021-d131515fdce8
• 2021 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 48,707 miles. Price: £18,730, £1,269 less than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/audi-a5-2021-9934767684f7
• 2021 Audi A5 S Line, 2.0 diesel hatchback, blue. Mileage: 51,000 miles. Price: £21,500, £1,501 more than this car. Dealer: PMA Cars NI in Newry. AskCar page: https://askcar.co.uk/car/audi-a5-2021-00c6bfd32934

• The nearest: 2021 Audi A5 S Line, 2.0 diesel hatchback, grey, 25 miles from this car. Mileage: 64,000 miles. Price: £18,950, £1,049 less than this car. Dealer: United Car Sales in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a5-2021-8107d34f4fc4