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) 5dr Sportback (148 bhp)
• Year: 2020
• Mileage: 103,100 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 103,100 miles on the clock, this 2020 Audi A3 S Line has done roughly 52,700 more miles than a typical 2020 Audi A3. Its asking price of £11,995 is £1,173 above the AskCar estimate of £10,822. 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 recorded this car for sale 9 days ago. The government's MOT record matches its advertised mileage. You can find this car at KL AutoHouse in Derby. 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

Above the going rate: £1,173 (10%) over the AskCar estimate of £10,822.

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 9 days.

Price history

AskCar first saw this advert on 24 October 2026 at £11,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 5 October 2027.

It failed its MOT on 12 September 2026 (offside rear shock absorbers has a serious fluid leak; front tyre tread depth below requirements of 1.6mm both tyres; nearside rear inner position lamp with a multiple light source up to 1/2 not functioning) and passed 2 days later, on 14 September 2026.

Advisories at the latest test: nearside rear inner position lamp with a multiple light source up to 1/2 not functioning.

Mileage at that test: 103,097 miles, which matches the advertised 103,100 miles.

Advertised mileage is about 52,700 miles higher 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 £12,677 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: 86,743 miles. Price: £12,677, £682 more than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-e4a53e48b46a
• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 80,623 miles. Price: £13,999, £2,004 more than this car. Dealer: Wearside Autoparc in Sunderland. AskCar page: https://askcar.co.uk/car/audi-a3-2020-65bbf4b53921
• 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 73,622 miles. Price: £13,395, £1,400 more than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/audi-a3-2020-8f94eff766ce

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, black, 27 miles from this car. Mileage: 16,842 miles. Price: £18,020, £6,025 more than this car. Dealer: Big Motoring World Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a3-2020-2d3d55e4012c