2020 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: 2020
• Mileage: 45,488 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: Grey
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 45,488 miles, this 2020 Audi A5 S Line has covered about 9,900 fewer miles than other 2020 Audi A5 cars. The dealer is asking £20,950, which is £579 above the AskCar estimate of £20,371. To work out the AskCar estimate, we analyse UK dealer adverts for 1,865 Audi A5 cars across different ages and specifications. We first saw this car advertised 160 days ago. Its asking price has since fallen by £1,500. Our latest MOT record expired on 12 May 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Heartys of Peterborough, based in Peterborough. 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: £579 (2%) over the AskCar estimate of £20,371.

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 2020 Audi A5 with the 2.0 diesel engine is typically advertised at £18,000: the median of the 99 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 Audi A5 has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £22,450. Its asking price is now £20,950, £1,500 less. The latest price cut was seen on 9 September 2026.

Price changes recorded:

• 29 May 2026: £22,450
• 9 September 2026: £20,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 12 May 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 1 May 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 37,284 miles, which matches the advertised 45,488 miles.

Advertised mileage is about 9,900 miles lower than the median mileage of a 2020 Audi A5 on AskCar.

Similar cars

25 other 2020 Audi A5 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £13,999 to £21,993, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A5 S Line, 2.0 diesel hatchback, grey. Mileage: 41,678 miles. Price: £18,021, £2,929 less than this car. Dealer: Hammond Cars Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a5-2020-ce316dd65112
• 2020 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 40,000 miles. Price: £19,000, £1,950 less than this car. Dealer: The Car Shop in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a5-2020-59cdbabc3485
• 2020 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 51,826 miles. Price: £18,998, £1,952 less than this car. Dealer: Arnold Clark Glasgow Pollokshaws Road Volkswagen in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a5-2020-cf5673c5e78c

• The nearest: 2020 Audi A5 S Line, 2.0 diesel hatchback, grey, 18 miles from this car. Mileage: 86,869 miles. Price: £13,999, £6,951 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a5-2020-ba5c39bedef7