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: 59,420 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: Black
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line is advertised with 59,420 miles, approximately 9,000 above the typical mileage for its age. The AskCar estimate for this car is £16,349. It is priced at £16,302, which is £47 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 43 days ago. Its asking price has since fallen by £619. We checked its advertised mileage against the government's MOT record, and they match. The seller is JCT600 Volkswagen Grimsby, based in Grimsby. 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: £47 (under 1%) under the AskCar estimate of £16,349.

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 43 days.

Price history

AskCar first saw this advert on 20 September 2026 at £16,921. Its asking price is now £16,302, £619 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 22 September 2026: £16,921
• 26 September 2026: £16,634
• 14 October 2026: £16,757
• 16 October 2026: £16,689
• 20 October 2026: £16,649
• 22 October 2026: £16,506
• 28 October 2026: £16,302

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 7 August 2027.

It has had 5 MOTs. The latest, on 31 July 2026, passed.

Advisories at the latest test: nearside front inner road wheel slightly distorted; offside front inner road wheel slightly distorted; nearside rear inner road wheel slightly distorted; and 3 more.

Mileage at that test: 57,517 miles, which matches the advertised 59,420 miles.

Advertised mileage is about 9,000 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, blue. Mileage: 59,209 miles. Price: £15,891, £411 less than this car. Dealer: Luscombe MG Leeds in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2020-753b3b99949f
• 2020 Audi A3 S Line, 1.5 petrol hatchback, silver. Mileage: 61,380 miles. Price: £13,100, £3,202 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2020-443e3aba4390
• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 62,290 miles. Price: £17,100, £798 more than this car. Dealer: Marshall Motor Group Maidstone Audi in Maidstone. AskCar page: https://askcar.co.uk/car/audi-a3-2020-31537989b80a

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, white, 63 miles from this car. Mileage: 51,407 miles. Price: £16,989, £687 more than this car. Dealer: Sandicliffe Mazda Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-2c557fd847aa