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: 52,546 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

This 2020 Audi A3 S Line is advertised with 52,546 miles, approximately 2,200 above the typical mileage for its age. Priced at £15,168, it is advertised £126 below the AskCar estimate of £15,294. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 25 days ago. Its asking price has since fallen by £517. The government's MOT record matches its advertised mileage. You can find this car at Barn Cars in Brentwood. 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: £126 (under 1%) under the AskCar estimate of £15,294.

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 25 days.

Price history

AskCar first saw this advert on 8 October 2026 at £15,685. Its asking price is now £15,168, £517 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 8 October 2026: £15,685
• 22 October 2026: £15,168

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 31 August 2027.

It has had 6 MOTs. The latest, on 27 August 2026, passed.

Advisories at the latest test: front windscreen damaged but not adversely affecting driver's view screen stone chipped in several places; rear brake pad(s) wearing thin brake pads are wearing low; front brake disc worn, pitted or scored, but not seriously weakened brake discs inner faces are corroding with uneven wear; and 1 more.

Mileage at that test: 51,909 miles, which matches the advertised 52,546 miles.

Advertised mileage is about 2,200 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, white. Mileage: 51,000 miles. Price: £15,295, £127 more than this car. Dealer: Wynford Specialist Motors in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-ceed5b38b0da
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 54,479 miles. Price: £14,750, £418 less than this car. Dealer: Quality Cars and Commercials in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-c3bdb4393992
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 50,100 miles. Price: £16,198, £1,030 more than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a3-2020-f3d34ab744be

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, black, 10 miles from this car. Mileage: 86,743 miles. Price: £12,677, £2,491 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-e4a53e48b46a