2021 Audi A5 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2021
• Mileage: 89,393 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 153 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A5 S Line has covered 89,393 miles, around 39,300 more miles than is typical for its age. The dealer is asking £14,600, which is £200 below the AskCar estimate of £14,800. To work out the AskCar estimate, we analyse UK dealer adverts for 1,865 Audi A5 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 97 days, and its asking price has been cut by £2,350. Its advertised mileage matches the government's MOT record. The seller is Car Planet Watford, based in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £200 (1%) under the AskCar estimate of £14,800.

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 1,865 priced Audi A5 adverts across different ages and specifications, as of 4 November 2026.

A 2021 Audi A5 with the 2.0 petrol engine is typically advertised at £19,700: the median of the 128 for sale on AskCar, as of 4 November 2026.

Time on sale

The dealer may accept less. This 2021 Audi A5 has been on sale for at least 97 days, and its asking price has been cut by £2,350. About half of 2021 Audi A5 cars are gone from sale within a month of being advertised: 89 of the 167 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 30 July 2026 at £16,950. Its asking price is now £14,600, £2,350 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 30 July 2026: £16,950
• 15 August 2026: £16,800
• 25 August 2026: £16,500
• 1 September 2026: £16,200
• 11 September 2026: £15,900
• 17 September 2026: £15,800
• 24 September 2026: £15,600
• 5 October 2026: £15,300
• 12 October 2026: £15,100
• 19 October 2026: £14,850
• 2 November 2026: £14,600

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 July 2027.

It failed its MOT on 16 July 2026 (offside rear lower coil spring mounting corroded and seriously weakened) and passed 1 day later, on 17 July 2026.

There were no advisories at the latest test.

Mileage at that test: 88,967 miles, which matches the advertised 89,393 miles.

Advertised mileage is about 39,300 miles higher than the median mileage of a 2021 Audi A5 on AskCar.

Similar cars

19 other 2021 Audi A5 S Line 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £18,305 to £25,595, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A5 S Line, 2.0 petrol hatchback, blue. Mileage: 79,005 miles. Price: £18,305, £3,705 more than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-a5-2021-d5db230fa8be
• 2021 Audi A5 S Line, 2.0 petrol hatchback, black. Mileage: 70,971 miles. Price: £20,750, £6,150 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a5-2021-26fa0d6436d6
• 2021 Audi A5 S Line, 2.0 petrol hatchback, blue. Mileage: 62,165 miles. Price: £18,360, £3,760 more than this car. Dealer: Ryds Group in London. AskCar page: https://askcar.co.uk/car/audi-a5-2021-77e81d912d7a