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: 86,253 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: White
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line has covered 86,253 miles, around 36,200 more miles than is typical for its age. Priced at £13,995, it is advertised £554 above the AskCar estimate of £13,441. The AskCar estimate uses UK dealer asking prices, including 6,729 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. It is advertised by Motor Switch in Wigan. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £554 (4%) over the AskCar estimate of £13,441.

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 6,729 priced Audi A3 adverts across different ages and specifications, as of 6 November 2026.

A 2020 Audi A3 with the 1.5 petrol engine is typically advertised at £16,000: the median of the 149 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2020 Audi A3 advertised today. About half of 2020 Audi A3 cars are gone from sale within a month of being advertised: 260 of the 491 first advertised between 8 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 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 6 November 2026: valid until 18 October 2027.

It has had 4 MOTs. The latest, on 12 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 86,090 miles, which matches the advertised 86,253 miles.

Advertised mileage is about 36,200 miles higher than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

28 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 6 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 81,299 miles. Price: £14,500, £505 more than this car. Dealer: RSG Motor Group in Ascot. AskCar page: https://askcar.co.uk/car/audi-a3-2020-006821ec3daf
• 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 77,000 miles. Price: £17,995, £4,000 more than this car. Dealer: Sam Performance in Rochdale. AskCar page: https://askcar.co.uk/car/audi-a3-2020-4f250fb7c0ba
• 2020 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 73,084 miles. Price: £13,150, £845 less than this car. Dealer: Listers Honda Northampton in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-d10a50c25b5f

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, blue, under a mile from this car. Mileage: 25,020 miles. Price: £19,495, £5,500 more than this car. Dealer: Josh Houghton Motor Company in Wigan. AskCar page: https://askcar.co.uk/car/audi-a3-2020-f24b73d6770d