2020 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2020
• Mileage: 96,414 miles
• Fuel: Petrol, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line has covered 96,414 miles, around 46,400 more miles than is typical for its age. The AskCar estimate for this car is £12,716. It is priced at £13,990, which is £1,274 above that estimate. The AskCar estimate uses 6,645 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 50 days. The government's MOT record matches its advertised mileage. You can find this car at Colin Bryan T/A CB Autosales in Kirkcaldy. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,274 (10%) over the AskCar estimate of £12,716.

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 6,645 priced Audi A3 adverts across different ages and specifications, as of 5 November 2026.

A 2020 Audi A3 with the 1.5 petrol engine is typically advertised at £16,000: the median of the 148 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 Audi A3 has been on sale for at least 50 days.

Price history

AskCar first saw this advert on 16 September 2026 at £13,990. 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 5 November 2026: valid until 7 September 2027.

It failed its MOT on 7 September 2026 (offside rear shock absorbers has a serious fluid leak) and passed 1 day later, on 8 September 2026.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; and 4 more.

Mileage at that test: 96,347 miles, which matches the advertised 96,414 miles.

Advertised mileage is about 46,400 miles higher than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

13 other 2020 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £13,990 to £18,900, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 98,000 miles. Price: £13,990, the same price as this car. Dealer: Brooke MOT Centre BMC Car Sales Group in Norwich. AskCar page: https://askcar.co.uk/car/audi-a3-2020-7f85c3b9c3e8
• 2020 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 54,806 miles. Price: £16,030, £2,040 more than this car. Dealer: Evans Halshaw MG Banbury in Banbury. AskCar page: https://askcar.co.uk/car/audi-a3-2020-d973fb48c7f9
• 2020 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 54,262 miles. Price: £16,700, £2,710 more than this car. Dealer: Pentagon Lincoln Used Car Centre in Lincoln. AskCar page: https://askcar.co.uk/car/audi-a3-2020-31ca5644ef1a

• The nearest: 2020 Audi A3 S Line, 1.5 petrol saloon, white, 164 miles from this car. Mileage: 44,534 miles. Price: £16,785, £2,795 more than this car. Dealer: Autochoice Car Supermarket in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a3-2020-abb83743ad6a