2020 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI S Line Manual FWD Euro 6 5dr (147 bhp)
• Year: 2020
• Mileage: 21,600 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 141 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line has covered 21,600 miles, around 28,800 fewer miles than is typical for its age. The AskCar estimate for this car is £17,544. It is priced at £17,495, which is £49 below that estimate. 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 115 days, and its asking price has been cut by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Troops in Leadenham. 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: £49 (under 1%) under the AskCar estimate of £17,544.

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 115 days, and its asking price has been cut by £300. 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 10 July 2026 at £17,795. Its asking price is now £17,495, £300 less. The latest price cut was seen on 19 September 2026.

Price changes recorded:

• 10 July 2026: £17,795
• 17 July 2026: £17,695
• 19 September 2026: £17,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 27 January 2027.

It has had 4 MOTs. The latest, on 28 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 21,545 miles, which matches the advertised 21,600 miles.

Advertised mileage is about 28,800 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: 23,308 miles. Price: £16,495, £1,000 less than this car. Dealer: MSC Motors in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/audi-a3-2020-4a47c3e92598
• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 18,085 miles. Price: £17,599, £104 more than this car. Dealer: Motorpoint Norwich in Norwich. AskCar page: https://askcar.co.uk/car/audi-a3-2020-b8a82c735389
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 25,166 miles. Price: £16,994, £501 less than this car. Dealer: Hilton Car Supermarket Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2020-6fd00ee074f7

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, grey, 24 miles from this car. Mileage: 25,586 miles. Price: £15,930, £1,565 less than this car. Dealer: Evans Halshaw Omoda Jaecoo Gainsborough in Gainsborough. AskCar page: https://askcar.co.uk/car/audi-a3-2020-6f0cd9bc071d