2020 Audi A3 1.5 TFSI S Line

Price: £13,899. Fair price: £920 (7%) over the AskCar estimate of £12,979, 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: 76,347 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 147 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 142 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 76,347 miles, this 2020 Audi A3 S Line has covered about 26,300 more miles than other 2020 Audi A3 cars. Its asking price of £13,899 is £920 above the AskCar estimate of £12,979. The AskCar estimate uses 6,691 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 7 days ago. The government's MOT record matches its advertised mileage. It is advertised by Stoneacre in Market Street. 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: £920 (7%) over the AskCar estimate of £12,979.

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

This 2020 Audi A3 has been on sale for at least 7 days.

Price history

AskCar first saw this advert on 31 October 2026 at £13,899. 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 2 October 2027.

It has had 5 MOTs. The latest, on 3 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 76,016 miles, which matches the advertised 76,347 miles.

Advertised mileage is about 26,300 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, blue. Mileage: 77,565 miles. Price: £12,995, £904 less than this car. Dealer: IMV Motors in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-c37662e46732
  • 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 73,622 miles. Price: £13,395, £504 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, grey. Mileage: 80,623 miles. Price: £13,999, £100 more than this car. Dealer: Wearside Autoparc in Sunderland. AskCar page: https://askcar.co.uk/car/audi-a3-2020-65bbf4b53921

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

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Photos

29 photos of this car are on its AskCar page.

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.