2020 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI S Line Manual FWD Euro 6 5dr (147 bhp)
• Year: 2020
• Mileage: 27,754 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line is advertised with 27,754 miles, approximately 22,600 below the typical mileage for its age. The dealer is asking £15,895, which is £1,189 below the AskCar estimate of £17,084. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 60 days, and its asking price has been cut by £1,055. We checked its advertised mileage against the government's MOT record, and they match. The seller is Stratstone Bolton Audi, based 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

Fair price: £1,189 (6%) under the AskCar estimate of £17,084.

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

The dealer may accept less. This 2020 Audi A3 has been on sale for at least 60 days, and its asking price has been cut by £1,055. 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 3 September 2026 at £16,950. Its asking price is now £15,895, £1,055 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 3 September 2026: £16,950
• 11 September 2026: £16,940
• 17 September 2026: £16,750
• 26 September 2026: £16,450
• 6 October 2026: £15,995
• 16 October 2026: £15,895

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 September 2027.

It has had 4 MOTs. The latest, on 25 August 2026, passed.

Advisories at the latest test: rear tyre worn close to legal limit/worn on edge both sides; rear brake pad(s) wearing thin.

Mileage at that test: 27,746 miles, which matches the advertised 27,754 miles.

Advertised mileage is about 22,600 miles lower 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, grey. Mileage: 29,105 miles. Price: £16,699, £804 more than this car. Dealer: Swansway Garages in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-1f646ef086fa
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 26,325 miles. Price: £16,994, £1,099 more than this car. Dealer: Hilton Car Supermarket Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2020-7fec0d985e11
• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 25,586 miles. Price: £15,930, the same price as this car. Dealer: Evans Halshaw Omoda Jaecoo Gainsborough in Gainsborough. AskCar page: https://askcar.co.uk/car/audi-a3-2020-6f0cd9bc071d