2020 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2020
• Mileage: 44,000 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line is advertised with 44,000 miles, approximately 6,400 below the typical mileage for its age. Its asking price of £19,995 is £2,235 above the AskCar estimate of £17,760. 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 63 days, and its asking price is down £455. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by R W Sports And Prestige in Ashton-Under-Lyne. 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

Above the going rate: £2,235 (12%) over the AskCar estimate of £17,760.

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 63 days, and its asking price has been cut by £455. 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 August 2026 at £20,450. Its asking price is now £19,995, £455 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

• 31 August 2026: £20,450
• 10 October 2026: £19,995

Mileage and MOT

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

It failed its MOT on 24 July 2026 (rear fog lamp not working; offside rear service brake excessively fluctuating) and passed 10 days later, on 3 August 2026.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 44,062 miles, which matches the advertised 44,000 miles.

Advertised mileage is about 6,400 miles lower than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

24 other 2020 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £13,100 to £20,750, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 43,741 miles. Price: £18,995, £1,000 less than this car. Dealer: Hawco Group Highland Audi in Inverness. AskCar page: https://askcar.co.uk/car/audi-a3-2020-92d1203a82cb
• 2020 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 42,738 miles. Price: £17,961, £2,034 less than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-218103e452d4
• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 42,382 miles. Price: £17,599, £2,396 less than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2020-356ac25a4955

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, black, 9 miles from this car. Mileage: 77,000 miles. Price: £17,995, £2,000 less than this car. Dealer: Sam Performance in Rochdale. AskCar page: https://askcar.co.uk/car/audi-a3-2020-4f250fb7c0ba