2020 Audi A3 2.0 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 2.0 TDI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2020
• Mileage: 54,143 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 115 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 54,143 miles, this 2020 Audi A3 S Line has covered about 3,800 more miles than other 2020 Audi A3 cars. Priced at £15,490, it is advertised £405 above the AskCar estimate of £15,085. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 40 days ago, and its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. It is for sale at Whitley Bay Motors in Washington. 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: £405 (2%) over the AskCar estimate of £15,085.

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 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

A 2020 Audi A3 with the 2.0 diesel engine is typically advertised at £16,800: the median of the 52 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 Audi A3 has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 23 September 2026 at £15,990. Its asking price is now £15,490, £500 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 23 September 2026: £15,990
• 24 October 2026: £15,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 April 2027.

It has had 4 MOTs. The latest, on 24 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,773 miles, which matches the advertised 54,143 miles.

Advertised mileage is about 3,800 miles higher than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

2 other 2020 Audi A3 S Line 2.0 diesel manual hatchbacks are for sale at UK dealers, from £11,795 to £13,890, as of 2 November 2026.

The 2 closest to this car in mileage:

• 2020 Audi A3 S Line, 2.0 diesel hatchback, white. Mileage: 49,397 miles. Price: £13,890, £1,600 less than this car. Dealer: Days Motorpark Cardiff in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2020-95fc111fac18
• 2020 Audi A3 S Line, 2.0 diesel hatchback, black. Mileage: 83,067 miles. Price: £11,795, £3,695 less than this car. Dealer: Prestige Motors Kent in Sevenoaks. AskCar page: https://askcar.co.uk/car/audi-a3-2020-dfa16760bc07