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: 32,203 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 32,203 miles, this 2020 Audi A3 S Line has covered about 18,200 fewer miles than other 2020 Audi A3 cars. The dealer is asking £15,990, which is £1,069 below the AskCar estimate of £17,059. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 27 days ago. Its asking price has since fallen by £1,009. We checked its advertised mileage against the government's MOT record, and they match. The seller is Johnsons Hyundai Slough, based in Slough. 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: £1,069 (6%) under the AskCar estimate of £17,059.

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 27 days.

Price history

AskCar first saw this advert on 6 October 2026 at £16,999. Its asking price is now £15,990, £1,009 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 6 October 2026: £16,999
• 2 November 2026: £15,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 19 November 2026.

It has had 4 MOTs. The latest, on 20 November 2025, passed.

Advisories at the latest test: osf tyre getting low.

Mileage at that test: 26,321 miles, which matches the advertised 32,203 miles.

Advertised mileage is about 18,200 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: 34,936 miles. Price: £16,734, £744 more than this car. Dealer: Johnsons Suzuki Bilston in Bilston. AskCar page: https://askcar.co.uk/car/audi-a3-2020-7bddd756e106
• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 29,105 miles. Price: £16,699, £709 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: 36,271 miles. Price: £16,666, £676 more than this car. Dealer: JCT600 Volkswagen Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/audi-a3-2020-72c494c0c76a

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, black, 3 miles from this car. Mileage: 66,165 miles. Price: £13,980, £2,010 less than this car. Dealer: Windsor Car Centre in Windsor. AskCar page: https://askcar.co.uk/car/audi-a3-2020-feb1120b52c9