2020 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2020
• Mileage: 25,020 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 25,020 miles on the clock, this 2020 Audi A3 S Line has done roughly 25,100 fewer miles than a typical 2020 Audi A3. Priced at £19,495, it is advertised £27 below the AskCar estimate of £19,522. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. It first appeared in our advert records 109 days ago. The recorded MOT expired on 29 September 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. The seller is Josh Houghton Motor Company, based in Wigan. 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: £27 (under 1%) under the AskCar estimate of £19,522.

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 1.5 petrol engine is typically advertised at £16,000: the median of the 142 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 Audi A3 has been on sale for at least 109 days.

Price history

AskCar first saw this advert on 18 July 2026 at £19,495. 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: the latest record we hold ran out on 29 September 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 22 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 20,051 miles, which matches the advertised 25,020 miles.

Advertised mileage is about 25,100 miles lower than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

25 other 2020 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £13,100 to £20,750, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 25,000 miles. Price: £20,750, £1,255 more than this car. Dealer: Firstgear Cars in Hoddesdon. AskCar page: https://askcar.co.uk/car/audi-a3-2020-54a700688f2d
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 28,000 miles. Price: £18,999, £496 less than this car. Dealer: SRH Cars (Leeds) in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2020-4deb6892c913
• 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 30,500 miles. Price: £17,900, £1,595 less than this car. Dealer: CarTime Nelson/Burnley in Nelson. AskCar page: https://askcar.co.uk/car/audi-a3-2020-0adffffb5147

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, black, 7 miles from this car. Mileage: 68,000 miles. Price: £15,480, £4,015 less than this car. Dealer: 365 Motors in Chorley. AskCar page: https://askcar.co.uk/car/audi-a3-2020-076fbb1bfd56