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) 4dr (148 bhp)
• Year: 2020
• Mileage: 54,806 miles
• Fuel: Petrol, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line is advertised with 54,806 miles, approximately 4,400 above the typical mileage for its age. The AskCar estimate for this car is £16,866. It is priced at £16,030, which is £836 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. The asking price is now £420 lower than when we first recorded the advert 11 days ago. Our latest MOT record expired on 19 October 2026. Check the current position with the dealer. We checked its advertised mileage against the government's MOT record, and they match. The seller is Evans Halshaw MG Banbury, based in Banbury. 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: £836 (4%) under the AskCar estimate of £16,866.

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 11 days.

Price history

AskCar first saw this advert on 22 October 2026 at £16,450. Its asking price is now £16,030, £420 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 22 October 2026: £16,450
• 23 October 2026: £16,270
• 27 October 2026: £16,030

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 19 October 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 7 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 50,066 miles, which matches the advertised 54,806 miles.

Advertised mileage is about 4,400 miles higher than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

12 other 2020 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £13,990 to £21,200, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 54,308 miles. Price: £16,921, £891 more than this car. Dealer: Lookers Audi Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a3-2020-870fd3b88905
• 2020 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 51,334 miles. Price: £14,450, £1,580 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a3-2020-edda87edf116
• 2020 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 44,534 miles. Price: £16,785, £755 more than this car. Dealer: Autochoice Car Supermarket in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a3-2020-abb83743ad6a

• The nearest: 2020 Audi A3 S Line, 1.5 petrol saloon, grey, 22 miles from this car. Mileage: 40,975 miles. Price: £17,995, £1,965 more than this car. Dealer: NSA Motor Vehicles in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2020-9d6fc760e872