2020 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI S Line S tronic FWD Euro 6 5dr (147 bhp)
• Year: 2020
• Mileage: 48,632 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line has covered 48,632 miles. Priced at £17,599, it is advertised £82 above the AskCar estimate of £17,517. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 37 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by cinch Corby in North Northamptonshire. 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: £82 (under 1%) over the AskCar estimate of £17,517.

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

This 2020 Audi A3 has been on sale for at least 37 days.

Price history

AskCar first saw this advert on 26 September 2026 at £17,599. 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 2 November 2026: valid until 13 September 2027.

It has had 5 MOTs. The latest, on 14 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 48,630 miles, which matches the advertised 48,632 miles.

Advertised mileage is about 1,800 miles lower than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

24 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 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 50,000 miles. Price: £15,985, £1,614 less than this car. Dealer: Autochoice Car Supermarket in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a3-2020-c625b589a126
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 50,000 miles. Price: £19,990, £2,391 more than this car. Dealer: Vogue Motor Company in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-92ae4d452f49
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 51,407 miles. Price: £16,989, £610 less than this car. Dealer: Sandicliffe Mazda Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-2c557fd847aa

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, blue, 18 miles from this car. Mileage: 73,084 miles. Price: £13,450, £4,149 less than this car. Dealer: Listers Honda Northampton in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-d10a50c25b5f