2020 Audi A3 1.5 TFSI S Line

Price: £13,395. Fair price: £61 (under 1%) over the AskCar estimate of £13,334, 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: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
  • Year: 2020
  • Mileage: 73,622 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 136 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 73,622 miles on the clock, this 2020 Audi A3 S Line has done roughly 23,200 more miles than a typical 2020 Audi A3. The AskCar estimate for this car is £13,334. It is priced at £13,395, which is £61 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 158 days, and its asking price has been cut by £1,500. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Motor Trust Haslingden in Rossendale. 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: £61 (under 1%) over the AskCar estimate of £13,334.

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 1.5 petrol engine is typically advertised at £16,000: the median of the 134 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2020 Audi A3 has been on sale for at least 158 days, and its asking price has been cut by £1,500. About half of 2020 Audi A3 cars are gone from sale within a month of being advertised: 226 of the 433 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £14,895. Its asking price is now £13,395, £1,500 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

  • 29 May 2026: £14,895
  • 4 June 2026: £14,695
  • 23 June 2026: £14,495
  • 21 July 2026: £14,195
  • 12 September 2026: £13,795
  • 23 September 2026: £13,495
  • 26 October 2026: £13,395

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 January 2027.

It failed its MOT on 26 January 2026 (offside front anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt) and passed later the same day.

Advisories at the latest test: nearside front shock absorbers has light misting of oil; offside front shock absorbers has light misting of oil; nearside rear shock absorbers has light misting of oil.

Mileage at that test: 70,100 miles, which matches the advertised 73,622 miles.

Advertised mileage is about 23,200 miles higher than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

30 other 2020 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £11,995 to £18,020, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 80,623 miles. Price: £13,999, £604 more than this car. Dealer: Wearside Autoparc in Sunderland. AskCar page: https://askcar.co.uk/car/audi-a3-2020-65bbf4b53921
  • 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 66,165 miles. Price: £13,980, £585 more than 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, white. Mileage: 62,158 miles. Price: £13,495, £100 more 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, grey, 10 miles from this car. Mileage: 29,105 miles. Price: £16,699, £3,304 more than this car. Dealer: Swansway Garages in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-1f646ef086fa

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

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Photos

32 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.