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: 54,066 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 54,066 miles on the clock, this 2020 Audi A3 S Line has done roughly 3,700 more miles than a typical 2020 Audi A3. The dealer is asking £16,795, which is £218 below the AskCar estimate of £17,013. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first recorded this car for sale 2 days ago. Its advertised mileage matches the government's MOT record. The seller is Hawco Group, based in Dundee. 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: £218 (1%) under the AskCar estimate of £17,013.

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

AskCar first saw this 2020 Audi A3 advertised 2 days ago. 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 31 October 2026 at £16,795. 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 11 October 2027.

It has had 5 MOTs. The latest, on 9 October 2026, passed.

Advisories at the latest test: offside rear shock absorbers has light misting of oil.

Mileage at that test: 53,799 miles, which matches the advertised 54,066 miles.

Advertised mileage is about 3,700 miles higher 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, grey. Mileage: 52,537 miles. Price: £16,184, £611 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2020-0821b03c844a
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 51,407 miles. Price: £16,989, £194 more than this car. Dealer: Sandicliffe Mazda Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-2c557fd847aa
• 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 50,000 miles. Price: £15,985, £810 less than this car. Dealer: Autochoice Car Supermarket in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a3-2020-c625b589a126

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, white, 83 miles from this car. Mileage: 43,741 miles. Price: £18,995, £2,200 more than this car. Dealer: Hawco Group Highland Audi in Inverness. AskCar page: https://askcar.co.uk/car/audi-a3-2020-92d1203a82cb