2020 Audi A3 2.0 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2020
• Mileage: 107,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 117 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 107,000 miles on the clock, this 2020 Audi A3 S Line has done roughly 56,600 more miles than a typical 2020 Audi A3. The AskCar estimate for this car is £11,907. It is priced at £10,995, which is £912 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 34 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Novadrive, based in Batley. 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: £912 (7%) under the AskCar estimate of £11,907.

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 34 days.

Price history

AskCar first saw this advert on 29 September 2026 at £10,995. 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 2 November 2026: valid until 10 December 2026.

It failed its MOT on 11 December 2025 (rear outer brake pad(s) less than 1.5 mm thick) and passed later the same day.

Advisories at the latest test: rear registration plate deteriorated but not likely to be misread.

Mileage at that test: 101,248 miles, which matches the advertised 107,000 miles.

Advertised mileage is about 56,600 miles higher than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

13 other 2020 Audi A3 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £13,795 to £19,770, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 2.0 diesel hatchback, black. Mileage: 96,706 miles. Price: £13,990, £2,995 more than this car. Dealer: Www.Countrycarsales.Co.Uk in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/audi-a3-2020-0da304c2791b
• 2020 Audi A3 S Line, 2.0 diesel hatchback, black. Mileage: 88,430 miles. Price: £14,300, £3,305 more than this car. Dealer: R 8 Motor Group in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2020-17b66140c527
• 2020 Audi A3 S Line, 2.0 diesel hatchback, black. Mileage: 88,430 miles. Price: £14,300, £3,305 more than this car. Dealer: Moto Porium in Bradford. AskCar page: https://askcar.co.uk/car/audi-a3-2020-28a76204192a