2021 Audi A5 2.0 TDI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TDI S Line S tronic FWD Euro 6 2dr (160 bhp)
• Year: 2021
• Mileage: 43,176 miles
• Fuel: Diesel, mild hybrid
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 160 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A5 S Line has covered 43,176 miles, around 7,800 fewer miles than is typical for its age. The AskCar estimate for this car is £20,308. It is priced at £18,999, which is £1,309 below that estimate. The AskCar estimate draws on 1,830 Audi A5 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 3 days ago, and its asking price has since fallen by £300. Its advertised mileage matches the government's MOT record. The seller is Bridgend Motor Group, based 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: £1,309 (6%) under the AskCar estimate of £20,308.

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

AskCar first saw this 2021 Audi A5 advertised 3 days ago. About half of 2021 Audi A5 cars are gone from sale within a month of being advertised: 84 of the 157 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £19,299. Its asking price is now £18,999, £300 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 30 October 2026: £19,299
• 31 October 2026: £18,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 April 2027.

It has had 4 MOTs. The latest, on 17 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 40,674 miles, which matches the advertised 43,176 miles.

Advertised mileage is about 7,800 miles lower than the median mileage of a 2021 Audi A5 on AskCar.

Similar cars

11 other 2021 Audi A5 S Line 2.0 diesel automatic coupes are for sale at UK dealers, from £16,500 to £22,299, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A5 S Line, 2.0 diesel coupe, grey. Mileage: 41,825 miles. Price: £18,995, the same price as this car. Dealer: Sinclair Direct in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a5-2021-3bb30e12bec9
• 2021 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 40,000 miles. Price: £19,750, £751 more than this car. Dealer: Torque Point in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/audi-a5-2021-e6fb768f4a4e
• 2021 Audi A5 S Line, 2.0 diesel coupe, grey. Mileage: 47,200 miles. Price: £18,490, £509 less than this car. Dealer: Rovia Cars in Waltham Cross. AskCar page: https://askcar.co.uk/car/audi-a5-2021-1e11f52ed388

• The nearest: 2021 Audi A5 S Line, 2.0 diesel coupe, white, 24 miles from this car. Mileage: 31,564 miles. Price: £19,995, £996 more than this car. Dealer: Sam Performance in Rochdale. AskCar page: https://askcar.co.uk/car/audi-a5-2021-962d481e71fc