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: 26,325 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

This 2020 Audi A3 S Line has covered 26,325 miles, around 24,100 fewer miles than is typical for its age. Its asking price of £16,994 is £544 below the AskCar estimate of £17,538. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 38 days ago, the asking price has dropped by £160. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Hilton Car Supermarket Milton Keynes, based in Milton Keynes. 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: £544 (3%) under the AskCar estimate of £17,538.

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 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £17,154. Its asking price is now £16,994, £160 less. The latest price cut was seen on 25 October 2026.

Price changes recorded:

• 25 September 2026: £17,154
• 27 September 2026: £17,440
• 28 September 2026: £17,450
• 29 September 2026: £17,455
• 30 September 2026: £17,460
• 2 October 2026: £17,465
• 8 October 2026: £17,405
• 13 October 2026: £17,285
• 14 October 2026: £17,365
• 17 October 2026: £17,350
• 19 October 2026: £17,265
• 23 October 2026: £17,260
• 25 October 2026: £16,994

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 September 2027.

It failed its MOT on 25 August 2026 (service brake efficiency below requirements) and passed later the same day.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing; offside rear tyre slightly damaged/cracking or perishing; nearside front brake disc worn, pitted or scored, but not seriously weakened; and 3 more.

Mileage at that test: 26,243 miles, which matches the advertised 26,325 miles.

Advertised mileage is about 24,100 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: 25,586 miles. Price: £15,930, £1,064 less than this car. Dealer: Evans Halshaw Omoda Jaecoo Gainsborough in Gainsborough. AskCar page: https://askcar.co.uk/car/audi-a3-2020-6f0cd9bc071d
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 25,166 miles. Price: £16,994, the same price as this car. Dealer: Hilton Car Supermarket Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2020-6fd00ee074f7
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 27,754 miles. Price: £15,895, £1,099 less than this car. Dealer: Stratstone Bolton Audi in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-541c0469b090