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: 68,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line has covered 68,000 miles, around 17,900 more miles than is typical for its age. The AskCar estimate for this car is £15,495. It is priced at £15,480, which is £15 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is 365 Motors, based in Chorley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £15 (under 1%) under the AskCar estimate of £15,495.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2020 Audi A3 with the 1.5 petrol engine is typically advertised at £16,000: the median of the 142 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2020 Audi A3 advertised today. About half of 2020 Audi A3 cars are gone from sale within a month of being advertised: 248 of the 473 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £15,480. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 24 September 2027.

It failed its MOT on 22 September 2026 (offside front tyre has ply or cords exposed; offside front anti-roll bar linkage ball joint dust cover severely deteriorated) and passed later the same day.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside front anti-roll bar linkage ball joint dust cover severely deteriorated.

Mileage at that test: 68,171 miles, which matches the advertised 68,000 miles.

Advertised mileage is about 17,900 miles higher than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

25 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 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 73,084 miles. Price: £13,450, £2,030 less than this car. Dealer: Listers Honda Northampton in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-d10a50c25b5f
• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 62,290 miles. Price: £17,100, £1,620 more than this car. Dealer: Marshall Motor Group Maidstone Audi in Maidstone. AskCar page: https://askcar.co.uk/car/audi-a3-2020-31537989b80a
• 2020 Audi A3 S Line, 1.5 petrol hatchback, silver. Mileage: 61,380 miles. Price: £13,100, £2,380 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2020-443e3aba4390

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, blue, 7 miles from this car. Mileage: 25,020 miles. Price: £19,495, £4,015 more than this car. Dealer: Josh Houghton Motor Company in Wigan. AskCar page: https://askcar.co.uk/car/audi-a3-2020-f24b73d6770d