2021 Audi A5 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (201 bhp)
• Year: 2021
• Mileage: 57,388 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 57,388 miles on the clock, this 2021 Audi A5 S Line has done roughly 6,400 more miles than a typical 2021 Audi A5. The AskCar estimate for this car is £20,020. It is priced at £19,550, which is £470 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 have tracked this advert for 3 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Car Planet Barnet, based in New Southgate. 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: £470 (2%) under the AskCar estimate of £20,020.

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 petrol 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 £19,550. 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 29 June 2027.

It has had 3 MOTs. The latest, on 24 June 2026, passed.

Advisories at the latest test: nearside front outer tyre slightly damaged damage to outer sidewall.

Mileage at that test: 53,711 miles, which matches the advertised 57,388 miles.

Advertised mileage is about 6,400 miles higher than the median mileage of a 2021 Audi A5 on AskCar.

Similar cars

17 other 2021 Audi A5 S Line 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £14,600 to £25,595, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A5 S Line, 2.0 petrol hatchback, grey. Mileage: 57,708 miles. Price: £18,442, £1,108 less than this car. Dealer: CarTime in Bury. AskCar page: https://askcar.co.uk/car/audi-a5-2021-8c43ccbd4896
• 2021 Audi A5 S Line, 2.0 petrol hatchback, black. Mileage: 58,770 miles. Price: £19,899, £349 more than this car. Dealer: Premium Vehicles in Aldershot. AskCar page: https://askcar.co.uk/car/audi-a5-2021-f8f6f609d139
• 2021 Audi A5 S Line, 2.0 petrol hatchback, blue. Mileage: 58,975 miles. Price: £19,500, £50 less than this car. Dealer: Your Car Supermarket in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a5-2021-20228cd8d721

• The nearest: 2021 Audi A5 S Line, 2.0 petrol hatchback, blue, 1 miles from this car. Mileage: 23,282 miles. Price: £25,595, £6,045 more than this car. Dealer: Group 1 Automotive Whetstone Audi in Whetstone. AskCar page: https://askcar.co.uk/car/audi-a5-2021-919cdf9e9146