2020 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 5dr 40 (187 bhp)
• Year: 2020
• Mileage: 37,518 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A5 S Line has covered 37,518 miles, around 17,100 fewer miles than is typical for its age. The AskCar estimate for this car is £19,413. It is priced at £19,498, which is £85 above that estimate. The AskCar estimate draws on 1,830 Audi A5 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 83 days ago, the asking price has dropped by £500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark West Calder Vauxhall, based in West Calder. 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: £85 (under 1%) over the AskCar estimate of £19,413.

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 2020 Audi A5 with the 2.0 diesel engine is typically advertised at £18,000: the median of the 94 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 Audi A5 has been on sale for at least 83 days.

Price history

AskCar first saw this advert on 11 August 2026 at £19,998. Its asking price is now £19,498, £500 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

• 11 August 2026: £19,998
• 15 October 2026: £19,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 7 February 2027.

It has had 7 MOTs. The latest, on 11 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 37,524 miles, which matches the advertised 37,518 miles.

Advertised mileage is about 17,100 miles lower than the median mileage of a 2020 Audi A5 on AskCar.

Similar cars

21 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 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 36,556 miles. Price: £19,850, £352 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a5-2020-70bae107a5c8
• 2020 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 40,000 miles. Price: £19,000, £498 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, grey. Mileage: 41,678 miles. Price: £18,021, £1,477 less than this car. Dealer: Hammond Cars Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a5-2020-ce316dd65112

• The nearest: 2020 Audi A5 S Line, 2.0 diesel hatchback, white, 28 miles from this car. Mileage: 51,826 miles. Price: £19,498, the same price as this car. Dealer: Arnold Clark Glasgow Pollokshaws Road Volkswagen in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a5-2020-cf5673c5e78c