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: 49,359 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 49,359 miles. The dealer is asking £15,159, which is £259 below the AskCar estimate of £15,418. 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 65 days, and its asking price is down £1,060. Its advertised mileage matches the government's MOT record. You can find this car at Cargem in Rainham. 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: £259 (1%) under the AskCar estimate of £15,418.

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 65 days, and its asking price has been cut by £1,060. 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 29 August 2026 at £16,219. Its asking price is now £15,159, £1,060 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 29 August 2026: £16,219
• 11 September 2026: £15,409
• 26 September 2026: £15,374
• 14 October 2026: £15,240
• 31 October 2026: £15,159

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 July 2027.

It has had 4 MOTs. The latest, on 22 July 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin; rear brake pad(s) wearing thin; offside rear shock absorbers has light misting of oil.

Mileage at that test: 49,266 miles, which matches the advertised 49,359 miles.

Advertised mileage is about 1,000 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: 47,426 miles. Price: £15,250, £91 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a3-2020-1e35a84ba342
• 2020 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 54,953 miles. Price: £15,450, £291 more than this car. Dealer: Second Chance Car Finance in Wetherby. AskCar page: https://askcar.co.uk/car/audi-a3-2020-f5a426574168
• 2020 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 41,263 miles. Price: £15,499, £340 more than this car. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/audi-a3-2020-888a045696a2