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: White
• 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 £19,990, it is advertised £2,793 above the AskCar estimate of £17,197. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 26 days ago. The last MOT shows 51,612 miles, more than the advert. This is worth checking with the dealer. Its MOT is recorded as valid until 7 September 2027. It is advertised by Vogue Motor Company in Bolton. 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

Above the going rate: £2,793 (16%) over 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 26 days.

Price history

AskCar first saw this advert on 7 October 2026 at £19,990. 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 7 September 2027.

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

There were no advisories at the latest test.

Mileage at that test: 51,612 miles. The advert says 50,000 miles, fewer than the MOT record, so ask the dealer which is right.

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, black. Mileage: 50,000 miles. Price: £15,985, £4,005 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: 48,632 miles. Price: £17,599, £2,391 less 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, £3,001 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, 9 miles from this car. Mileage: 25,020 miles. Price: £19,495, £495 less than this car. Dealer: Josh Houghton Motor Company in Wigan. AskCar page: https://askcar.co.uk/car/audi-a3-2020-f24b73d6770d