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: 86,743 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

This 2020 Audi A3 S Line has covered 86,743 miles, around 36,400 more miles than is typical for its age. The dealer is asking £12,677, which is £535 above the AskCar estimate of £12,142. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The asking price is now £685 lower than when we first recorded the advert 54 days ago. 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: £535 (4%) over the AskCar estimate of £12,142.

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 54 days.

Price history

AskCar first saw this advert on 9 September 2026 at £13,362. Its asking price is now £12,677, £685 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 9 September 2026: £13,362
• 18 September 2026: £12,760
• 2 October 2026: £12,725
• 21 October 2026: £12,677

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 30 April 2027.

It failed its MOT on 23 April 2026 (offside front tyre has ply or cords exposed; nearside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed 1 day later, on 24 April 2026.

Advisories at the latest test: covers + shields fitted; rear brake disc worn, pitted or scored, but not seriously weakened both sides; rear tyre slightly damaged/cracking or perishing both sides + have deep cuts / outer wall cut offside rear.

Mileage at that test: 81,264 miles, which matches the advertised 86,743 miles.

Advertised mileage is about 36,400 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 £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, grey. Mileage: 80,623 miles. Price: £13,999, £1,322 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, £718 more than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/audi-a3-2020-8f94eff766ce
• 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 103,100 miles. Price: £11,995, £682 less than this car. Dealer: KL AutoHouse in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2020-ade2e43c1b3b

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, grey, 10 miles from this car. Mileage: 52,546 miles. Price: £15,168, £2,491 more than this car. Dealer: Barn Cars in Brentwood. AskCar page: https://askcar.co.uk/car/audi-a3-2020-5d827d2c4519