2020 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI S Line S tronic FWD Euro 6 5dr (147 bhp)
• Year: 2020
• Mileage: 43,741 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line has covered 43,741 miles, around 6,700 fewer miles than is typical for its age. Its asking price of £18,995 is £1,012 above the AskCar estimate of £17,983. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 57 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Hawco Group Highland Audi in Inverness. 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: £1,012 (5%) over the AskCar estimate of £17,983.

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 57 days.

Price history

AskCar first saw this advert on 6 September 2026 at £18,995. 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 31 August 2027.

It has had 5 MOTs. The latest, on 1 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 43,751 miles, which matches the advertised 43,741 miles.

Advertised mileage is about 6,700 miles lower than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

24 other 2020 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £13,100 to £20,750, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 44,000 miles. Price: £19,995, £1,000 more than this car. Dealer: R W Sports And Prestige in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2020-b3a560cf6848
• 2020 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 42,738 miles. Price: £17,961, £1,034 less than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-218103e452d4
• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 42,382 miles. Price: £17,599, £1,396 less than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2020-356ac25a4955

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, grey, 83 miles from this car. Mileage: 54,066 miles. Price: £16,795, £2,200 less than this car. Dealer: Hawco Group in Dundee. AskCar page: https://askcar.co.uk/car/audi-a3-2020-386555bf7269