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: 49,669 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: Red
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2020 Audi A3 S Line is 49,669 miles. Its asking price of £16,350 is £768 below the AskCar estimate of £17,118. To work out the AskCar estimate, we analyse UK dealer adverts for 6,645 Audi A3 cars across different ages and specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is Hilton Garage, based in Derby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £768 (4%) under the AskCar estimate of £17,118.

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 6,645 priced Audi A3 adverts across different ages and specifications, as of 5 November 2026.

A 2020 Audi A3 with the 1.5 petrol engine is typically advertised at £16,000: the median of the 148 for sale on AskCar, as of 5 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: 254 of the 483 first advertised between 8 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £16,350. 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 5 November 2026: valid until 26 November 2026.

It has had 3 MOTs. The latest, on 27 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 42,153 miles, which matches the advertised 49,669 miles.

Advertised mileage is about 300 miles lower than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

27 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 5 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, £365 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, £3,640 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, £1,249 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2020-611ede8d6573

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, silver, under a mile from this car. Mileage: 61,380 miles. Price: £13,100, £3,250 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2020-443e3aba4390