2020 Audi A3 1.5 TFSI S Line

Price: £13,995. Fair price: £282 (2%) over the AskCar estimate of £13,713, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,691 priced Audi A3 adverts on AskCar as of 7 November 2026.

AskCar lists 6,887 used Audi A3 from 2,316 UK dealerships, as of 7 November 2026.

Overview

  • Make: Audi
  • Model: A3
  • Trim: S Line
  • Version: 1.5 TFSI S Line Manual FWD Euro 6 5dr (147 bhp)
  • Year: 2020
  • Mileage: 68,603 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 147 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 143 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line is advertised with 68,603 miles, approximately 18,600 above the typical mileage for its age. Its asking price of £13,995 is £282 above the AskCar estimate of £13,713. The AskCar estimate uses UK dealer asking prices, including 6,691 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 2 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at McCarthy Cars in Croydon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £282 (2%) over the AskCar estimate of £13,713.

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 6,691 priced Audi A3 adverts across different ages and specifications, as of 7 November 2026.

A 2020 Audi A3 with the 1.5 petrol engine is typically advertised at £15,900: the median of the 150 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2020 Audi A3 advertised 2 days ago. About half of 2020 Audi A3 cars are gone from sale within a month of being advertised: 261 of the 496 first advertised between 8 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £13,995. 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 7 November 2026: valid until 5 August 2027.

It has had 5 MOTs. The latest, on 6 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 66,534 miles, which matches the advertised 68,603 miles.

Advertised mileage is about 18,600 miles higher than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

33 other 2020 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £11,450 to £17,995, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 66,165 miles. Price: £13,980, the same price as this car. Dealer: Windsor Car Centre in Windsor. AskCar page: https://askcar.co.uk/car/audi-a3-2020-feb1120b52c9
  • 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 73,622 miles. Price: £13,395, £600 less than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/audi-a3-2020-8f94eff766ce
  • 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 62,158 miles. Price: £13,495, £500 less than this car. Dealer: SCC Approved Taunton in Taunton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-9c4835ab1e07
  • The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, black, 16 miles from this car. Mileage: 86,743 miles. Price: £12,599, £1,396 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-e4a53e48b46a

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

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As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.