2020 Audi A3 1.5 TFSI S Line
Price: £17,995. Above the going rate: £3,558 (24%) over the AskCar estimate of £14,437, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.
AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A3
- Trim: S Line
- Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
- Year: 2020
- Mileage: 77,000 miles
- Fuel: Petrol, mild hybrid
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Black
- CO2: 135 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi A3 S Line has covered 77,000 miles, around 26,600 more miles than is typical for its age. Priced at £17,995, it is advertised £3,558 above the AskCar estimate of £14,437. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. Since we first spotted the advert 19 days ago, the asking price has dropped by £1,500. It is for sale at Sam Performance in Rochdale. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Above the going rate: £3,558 (24%) over the AskCar estimate of £14,437.
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 19 days.
Price history
AskCar first saw this advert on 14 October 2026 at £19,495. Its asking price is now £17,995, £1,500 less. The latest price cut was seen on 31 October 2026.
Price changes recorded:
- 14 October 2026: £19,495
- 31 October 2026: £17,995
Mileage and MOT
Advertised mileage is about 26,600 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, blue. Mileage: 73,084 miles. Price: £13,450, £4,545 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: 81,299 miles. Price: £14,500, £3,495 less than this car. Dealer: RSG Motor Group in Ascot. AskCar page: https://askcar.co.uk/car/audi-a3-2020-006821ec3daf
- 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 62,290 miles. Price: £17,100, £895 less than this car. Dealer: Marshall Motor Group Maidstone Audi in Maidstone. AskCar page: https://askcar.co.uk/car/audi-a3-2020-31537989b80a
- The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, white, 9 miles from this car. Mileage: 44,000 miles. Price: £19,995, £2,000 more than this car. Dealer: R W Sports And Prestige in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2020-b3a560cf6848
Browse all Audi A3 cars for sale · 2020 Audi A3 price guide
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Photos
17 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.