2021 Audi A5 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TFSI S Line S tronic Euro 6 5dr
• Year: 2021
• Mileage: 35,990 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic (S tronic)
• Colour: Grey
• CO2: 161 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A5 S Line has covered 35,990 miles, around 14,100 fewer miles than is typical for its age. The AskCar estimate for this car is £21,909. It is priced at £21,998, which is £89 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,865 Audi A5 cars across different ages and specifications. This car was first seen in our listings data today. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Stafford Motorstore / BYD / Vanstore, based in Stafford. 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: £89 (under 1%) over the AskCar estimate of £21,909.

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

AskCar first saw this 2021 Audi A5 advertised today. 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 4 November 2026 at £21,998. 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 4 November 2026: valid until 2 November 2027.

It has had 4 MOTs. The latest, on 3 November 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,591 miles, which matches the advertised 35,990 miles.

Advertised mileage is about 14,100 miles lower 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 £14,600 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, grey. Mileage: 39,083 miles. Price: £21,500, £498 less than this car. Dealer: Jack Bygraves in Biggleswade. AskCar page: https://askcar.co.uk/car/audi-a5-2021-5e85dc24f2e8
• 2021 Audi A5 S Line, 2.0 petrol hatchback, grey. Mileage: 30,989 miles. Price: £21,990, the same price as this car. Dealer: Agnew Group Portadown Audi in Portadown. AskCar page: https://askcar.co.uk/car/audi-a5-2021-9e0b56d63e73
• 2021 Audi A5 S Line, 2.0 petrol hatchback, black. Mileage: 42,000 miles. Price: £19,333, £2,665 less than this car. Dealer: Group 1 Automotive Stockport Audi in Stockport. AskCar page: https://askcar.co.uk/car/audi-a5-2021-a54a853e7014

• The nearest: 2021 Audi A5 S Line, 2.0 petrol hatchback, blue, 29 miles from this car. Mileage: 58,975 miles. Price: £19,500, £2,498 less than this car. Dealer: Your Car Supermarket in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a5-2021-20228cd8d721