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: 50,100 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line is advertised with 50,100 miles on the clock. Priced at £16,198, it is advertised £701 above the AskCar estimate of £15,497. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We have tracked this advert for 45 days. Its advertised mileage matches the government's MOT record. It is advertised by Sinclair Group in Bridgend. 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: £701 (4%) over the AskCar estimate of £15,497.

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 45 days.

Price history

AskCar first saw this advert on 18 September 2026 at £16,198. 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 11 November 2026.

It has had 3 MOTs. The latest, on 21 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 41,142 miles, which matches the advertised 50,100 miles.

Advertised mileage is about 300 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, white. Mileage: 51,000 miles. Price: £15,295, £903 less 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, grey. Mileage: 52,546 miles. Price: £15,168, £1,030 less than this car. Dealer: Barn Cars in Brentwood. AskCar page: https://askcar.co.uk/car/audi-a3-2020-5d827d2c4519
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 54,479 miles. Price: £14,750, £1,448 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, white, 38 miles from this car. Mileage: 62,158 miles. Price: £13,495, £2,703 less than this car. Dealer: SCC Approved Taunton in Taunton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-9c4835ab1e07