2020 Audi A3 2.0 TDI S Line

Price: £11,795. Fair price: £605 (4%) under the AskCar estimate of £12,400, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.

AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.

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: 83,067 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 115 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 83,067 miles on the clock, this 2020 Audi A3 S Line has done roughly 32,700 more miles than a typical 2020 Audi A3. The AskCar estimate for this car is £12,400. It is priced at £11,795, which is £605 below that estimate. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 39 days ago. Its asking price has since fallen by £455. The government's MOT record matches its advertised mileage. It is advertised by Prestige Motors Kent in Sevenoaks. 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: £605 (4%) under the AskCar estimate of £12,400.

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 39 days.

Price history

AskCar first saw this advert on 24 September 2026 at £12,250. Its asking price is now £11,795, £455 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 24 September 2026: £12,250
  • 9 October 2026: £11,995
  • 23 October 2026: £11,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 February 2027.

It has had 4 MOTs. The latest, on 19 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 76,882 miles, which matches the advertised 83,067 miles.

Advertised mileage is about 32,700 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 £13,890 to £15,490, as of 2 November 2026.

The 2 closest to this car in mileage:

  • 2020 Audi A3 S Line, 2.0 diesel hatchback, grey. Mileage: 54,143 miles. Price: £15,490, £3,695 more than this car. Dealer: Whitley Bay Motors in Washington. AskCar page: https://askcar.co.uk/car/audi-a3-2020-ecac7ba12530
  • 2020 Audi A3 S Line, 2.0 diesel hatchback, white. Mileage: 49,397 miles. Price: £13,890, £2,095 more than this car. Dealer: Days Motorpark Cardiff in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2020-95fc111fac18

Browse all Audi A3 cars for sale · 2020 Audi A3 price guide

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Photos

95 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.