2020 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2020
• Mileage: 36,271 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 36,271 miles on the clock, this 2020 Audi A3 S Line has done roughly 14,100 fewer miles than a typical 2020 Audi A3. Its asking price of £16,666 is £25 below the AskCar estimate of £16,691. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 31 days ago. Its asking price has since fallen by £488. According to the government's MOT record, its advertised mileage is consistent with the latest test. 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: £25 (under 1%) under the AskCar estimate of £16,691.

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 31 days.

Price history

AskCar first saw this advert on 2 October 2026 at £17,154. Its asking price is now £16,666, £488 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 2 October 2026: £17,154
• 12 October 2026: £16,699
• 20 October 2026: £17,035
• 22 October 2026: £16,879
• 28 October 2026: £16,666

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 December 2026.

It has had 4 MOTs. The latest, on 12 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 31,618 miles, which matches the advertised 36,271 miles.

Advertised mileage is about 14,100 miles lower than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

30 other 2020 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £11,995 to £18,020, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 34,936 miles. Price: £16,734, £68 more than this car. Dealer: Johnsons Suzuki Bilston in Bilston. AskCar page: https://askcar.co.uk/car/audi-a3-2020-7bddd756e106
• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 38,296 miles. Price: £16,346, £320 less than this car. Dealer: JCT600 Volkswagen York in York. AskCar page: https://askcar.co.uk/car/audi-a3-2020-8dc0ab43b255
• 2020 Audi A3 S Line, 1.5 petrol hatchback, red. Mileage: 32,203 miles. Price: £15,990, £676 less than this car. Dealer: Johnsons Hyundai Slough in Slough. AskCar page: https://askcar.co.uk/car/audi-a3-2020-a12d786e2725

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, grey, 31 miles from this car. Mileage: 25,586 miles. Price: £15,930, £736 less than this car. Dealer: Evans Halshaw Omoda Jaecoo Gainsborough in Gainsborough. AskCar page: https://askcar.co.uk/car/audi-a3-2020-6f0cd9bc071d