2020 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI S Line S tronic FWD Euro 6 5dr (147 bhp)
• Year: 2020
• Mileage: 42,382 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line is advertised with 42,382 miles, approximately 8,000 below the typical mileage for its age. Its asking price of £17,599 is £516 below the AskCar estimate of £18,115. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 10 days ago. Its asking price has since fallen by £600. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motorpoint Peterborough, based in Peterborough. 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: £516 (2%) under the AskCar estimate of £18,115.

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 10 days.

Price history

AskCar first saw this advert on 23 October 2026 at £18,199. Its asking price is now £17,599, £600 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 23 October 2026: £18,199
• 30 October 2026: £17,599

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 8 October 2027.

It has had 5 MOTs. The latest, on 9 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,392 miles, which matches the advertised 42,382 miles.

Advertised mileage is about 8,000 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, blue. Mileage: 42,738 miles. Price: £17,961, £362 more 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, white. Mileage: 43,741 miles. Price: £18,995, £1,396 more 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, white. Mileage: 44,000 miles. Price: £19,995, £2,396 more than this car. Dealer: R W Sports And Prestige in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2020-b3a560cf6848

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, white, 20 miles from this car. Mileage: 48,632 miles. Price: £17,599, the same price as this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2020-611ede8d6573