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: 50,000 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: Black
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line is advertised with 50,000 miles on the clock. Priced at £15,985, it is advertised £1,212 below the AskCar estimate of £17,197. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 17 days ago. The recorded MOT expired on 4 September 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Autochoice Car Supermarket in Blackburn. 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: £1,212 (7%) under the AskCar estimate of £17,197.

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 17 days.

Price history

AskCar first saw this advert on 16 October 2026 at £15,985. 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: the latest record we hold ran out on 4 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 1 September 2025, passed.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened; front brake pad(s) wearing thin; offside front tyre worn close to legal limit/worn on edge 1.8mm; and 2 more.

Mileage at that test: 48,642 miles, which matches the advertised 50,000 miles.

Advertised mileage is about 400 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, white. Mileage: 50,000 miles. Price: £19,990, £4,005 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: 48,632 miles. Price: £17,599, £1,614 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2020-611ede8d6573
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 51,407 miles. Price: £16,989, £1,004 more 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, black, 10 miles from this car. Mileage: 30,500 miles. Price: £17,900, £1,915 more than this car. Dealer: CarTime Nelson/Burnley in Nelson. AskCar page: https://askcar.co.uk/car/audi-a3-2020-0adffffb5147