2020 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2020
• Mileage: 58,053 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 58,053 miles, this 2020 Audi A3 S Line has covered about 7,700 more miles than other 2020 Audi A3 cars. The AskCar estimate for this car is £14,849. It is priced at £15,450, which is £601 above that estimate. 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 2 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Southend Audi, based in Southend. 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: £601 (4%) over the AskCar estimate of £14,849.

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

AskCar first saw this 2020 Audi A3 advertised 2 days ago. About half of 2020 Audi A3 cars are gone from sale within a month of being advertised: 226 of the 433 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 31 October 2026 at £15,450. 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 17 January 2027.

It has had 3 MOTs. The latest, on 17 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,090 miles, which matches the advertised 58,053 miles.

Advertised mileage is about 7,700 miles higher than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

30 other 2020 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £11,995 to £18,020, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol hatchback, red. Mileage: 57,817 miles. Price: £15,990, £540 more than this car. Dealer: Agnew Group Belfast Audi in Belfast. AskCar page: https://askcar.co.uk/car/audi-a3-2020-bdaf3ebd379a
• 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 61,072 miles. Price: £15,490, the same price as this car. Dealer: Roy Needham (Cars) in Barnsley. AskCar page: https://askcar.co.uk/car/audi-a3-2020-972a64090527
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 54,479 miles. Price: £14,750, £700 less than this car. Dealer: Quality Cars and Commercials in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-c3bdb4393992

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, grey, 15 miles from this car. Mileage: 52,546 miles. Price: £15,168, £282 less than this car. Dealer: Barn Cars in Brentwood. AskCar page: https://askcar.co.uk/car/audi-a3-2020-5d827d2c4519