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) 4dr (148 bhp)
• Year: 2020
• Mileage: 47,426 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line has covered 47,426 miles, around 3,000 fewer miles than is typical for its age. Its asking price of £15,250 is £328 below the AskCar estimate of £15,578. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 30 days ago, and its asking price has since fallen by £200. Its advertised mileage matches the government's MOT record. You can find this car at Car Planet Watford in Rickmansworth. 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: £328 (2%) under the AskCar estimate of £15,578.

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 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £15,450. Its asking price is now £15,250, £200 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 3 October 2026: £15,450
• 24 October 2026: £15,350
• 31 October 2026: £15,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 23 April 2027.

It has had 4 MOTs. The latest, on 21 April 2026, passed.

Advisories at the latest test: offside rear nail in tyre; nearside front inner tyre slightly damaged/cracking or perishing.

Mileage at that test: 43,481 miles, which matches the advertised 47,426 miles.

Advertised mileage is about 3,000 miles lower than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

7 other 2020 Audi A3 S Line 1.5 petrol manual saloons are for sale at UK dealers, from £14,998 to £17,390, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 49,359 miles. Price: £15,159, £91 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-c960e82fa452
• 2020 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 41,263 miles. Price: £15,499, £249 more than this car. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/audi-a3-2020-888a045696a2
• 2020 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 54,953 miles. Price: £15,450, £200 more than this car. Dealer: Second Chance Car Finance in Wetherby. AskCar page: https://askcar.co.uk/car/audi-a3-2020-f5a426574168