2020 Audi A3 2.0 TDI S Line

Price: £14,300. Fair price: £753 (5%) over the AskCar estimate of £13,547, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,630 priced Audi A3 adverts on AskCar as of 4 November 2026.

AskCar lists 6,774 used Audi A3 from 2,309 UK dealerships, as of 4 November 2026.

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: 88,430 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: 127 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line has covered 88,430 miles, around 38,400 more miles than is typical for its age. Its asking price of £14,300 is £753 above the AskCar estimate of £13,547. The AskCar estimate uses 6,630 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 26 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Moto Porium in Bradford. 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: £753 (5%) over the AskCar estimate of £13,547.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2020 Audi A3 with the 2.0 diesel engine is typically advertised at £16,800: the median of the 54 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 Audi A3 has been on sale for at least 26 days.

Price history

AskCar first saw this advert on 9 October 2026 at £14,300. 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 4 November 2026: valid until 25 June 2027.

It has had 4 MOTs. The latest, on 15 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 84,756 miles, which matches the advertised 88,430 miles.

Advertised mileage is about 38,400 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 £10,995 to £19,740, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi A3 S Line, 2.0 diesel hatchback, black. Mileage: 88,430 miles. Price: £14,300, the same price as 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, white. Mileage: 86,000 miles. Price: £13,795, £505 less than this car. Dealer: Dream Motor Specialist in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2020-815d51fb7483
  • 2020 Audi A3 S Line, 2.0 diesel hatchback, black. Mileage: 96,706 miles. Price: £13,990, £310 less than this car. Dealer: Www.Countrycarsales.Co.Uk in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/audi-a3-2020-0da304c2791b
  • The nearest: 2020 Audi A3 S Line, 2.0 diesel hatchback, black, 8 miles from this car. Mileage: 107,000 miles. Price: £10,995, £3,305 less than this car. Dealer: Novadrive in Batley. AskCar page: https://askcar.co.uk/car/audi-a3-2020-2459e6fd2001

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

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Photos

64 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.