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) 5dr Sportback (148 bhp)
• Year: 2020
• Mileage: 15,051 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line is advertised with 15,051 miles, approximately 35,300 below the typical mileage for its age. The AskCar estimate for this car is £20,423. It is priced at £19,490, which is £933 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 158 days ago. Its asking price has since fallen by £300. The recorded MOT expired on 23 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Cars & Us in Greenwich. 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: £933 (4%) under the AskCar estimate of £20,423.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £19,790. Its asking price is now £19,490, £300 less. The latest price cut was seen on 28 August 2026.

Price changes recorded:

• 29 May 2026: £19,790
• 28 August 2026: £19,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 23 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 24 September 2025, passed.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; offside rear nail in tyre.

Mileage at that test: 10,593 miles, which matches the advertised 15,051 miles.

Advertised mileage is about 35,300 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, black. Mileage: 25,000 miles. Price: £20,750, £1,260 more than this car. Dealer: Firstgear Cars in Hoddesdon. AskCar page: https://askcar.co.uk/car/audi-a3-2020-54a700688f2d
• 2020 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 25,020 miles. Price: £19,495, the same price as this car. Dealer: Josh Houghton Motor Company in Wigan. AskCar page: https://askcar.co.uk/car/audi-a3-2020-f24b73d6770d
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 28,000 miles. Price: £18,999, £491 less than this car. Dealer: SRH Cars (Leeds) in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2020-4deb6892c913

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, black, 13 miles from this car. Mileage: 31,000 miles. Price: £18,995, £495 less than this car. Dealer: Group 1 Automotive Whetstone Audi in Whetstone. AskCar page: https://askcar.co.uk/car/audi-a3-2020-d28e3ce7bd7e