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: 51,407 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line has covered 51,407 miles. Priced at £16,989, it is advertised £269 below the AskCar estimate of £17,258. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 31 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sandicliffe Mazda Nottingham, based in Nottingham. 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: £269 (1%) under the AskCar estimate of £17,258.

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 £16,789. Its asking price is now £16,989, £200 more.

Price changes recorded:

• 2 October 2026: £16,789
• 3 October 2026: £17,220
• 6 October 2026: £17,203
• 7 October 2026: £17,208
• 8 October 2026: £17,184
• 9 October 2026: £17,175
• 10 October 2026: £17,153
• 13 October 2026: £17,139
• 16 October 2026: £17,127
• 17 October 2026: £16,989

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 22 June 2027.

It has had 4 MOTs. The latest, on 23 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 49,608 miles, which matches the advertised 51,407 miles.

Advertised mileage is about 1,000 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, grey. Mileage: 52,537 miles. Price: £16,184, £805 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, black. Mileage: 50,000 miles. Price: £15,985, £1,004 less than this car. Dealer: Autochoice Car Supermarket in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a3-2020-c625b589a126
• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 50,000 miles. Price: £19,990, £3,001 more than this car. Dealer: Vogue Motor Company in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-92ae4d452f49

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, silver, 19 miles from this car. Mileage: 61,380 miles. Price: £13,100, £3,889 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2020-443e3aba4390