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: 44,184 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 44,184 miles, approximately 6,200 below the typical mileage for its age. The dealer is asking £16,495, which is £498 above the AskCar estimate of £15,997. 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 47 days ago. Its asking price has since fallen by £1,500. The government's MOT record matches its advertised mileage. You can find this car at Crystal Motor Company in Northampton. 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: £498 (3%) over the AskCar estimate of £15,997.

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 47 days.

Price history

AskCar first saw this advert on 16 September 2026 at £17,995. Its asking price is now £16,495, £1,500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 16 September 2026: £17,995
• 19 September 2026: £16,995
• 20 September 2026: £16,795
• 31 October 2026: £16,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 22 February 2027.

It has had 4 MOTs. The latest, on 10 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 39,413 miles, which matches the advertised 44,184 miles.

Advertised mileage is about 6,200 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, white. Mileage: 44,600 miles. Price: £16,499, the same price as this car. Dealer: Flc in Yiewsley. AskCar page: https://askcar.co.uk/car/audi-a3-2020-12d0167ee1f3
• 2020 Audi A3 S Line, 1.5 petrol hatchback, red. Mileage: 43,729 miles. Price: £15,595, £900 less than this car. Dealer: Amina Autos in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2020-2cb41e28559d
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 43,014 miles. Price: £16,795, £300 more than this car. Dealer: Auto Station in Elgin. AskCar page: https://askcar.co.uk/car/audi-a3-2020-0fb7dca9de41

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, white, 17 miles from this car. Mileage: 25,166 miles. Price: £16,994, £499 more than this car. Dealer: Hilton Car Supermarket Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2020-6fd00ee074f7