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: 9,815 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 9,815 miles, this 2020 Audi A3 S Line has covered about 40,600 fewer miles than other 2020 Audi A3 cars. The AskCar estimate for this car is £18,475. It is priced at £17,995, which is £480 below that estimate. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 122 days ago, and its asking price has since fallen by £808. The latest recorded MOT expiry date is 6 July 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Gbi Cars in Leighton Buzzard. 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: £480 (2%) under the AskCar estimate of £18,475.

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 122 days.

Price history

AskCar first saw this advert on 3 July 2026 at £18,803. Its asking price is now £17,995, £808 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 3 July 2026: £18,803
• 22 September 2026: £18,750
• 10 October 2026: £18,500
• 29 October 2026: £17,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 6 July 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 2 July 2025, passed.

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

Mileage at that test: 9,132 miles, which matches the advertised 9,815 miles.

Advertised mileage is about 40,600 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, black. Mileage: 16,842 miles. Price: £18,020, the same price as this car. Dealer: Big Motoring World Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a3-2020-2d3d55e4012c
• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 18,085 miles. Price: £17,599, £396 less 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, grey. Mileage: 21,600 miles. Price: £17,495, £500 less than this car. Dealer: Troops in Leadenham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-5ac343a9c3e4

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, white, 8 miles from this car. Mileage: 25,166 miles. Price: £16,994, £1,001 less than this car. Dealer: Hilton Car Supermarket Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2020-6fd00ee074f7