2020 Audi A3 1.5 TFSI S Line
Price: £15,485. Fair price: £453 (3%) over the AskCar estimate of £15,032, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,645 priced Audi A3 adverts on AskCar as of 5 November 2026.
AskCar lists 6,826 used Audi A3 from 2,317 UK dealerships, as of 5 November 2026.
Overview
- Make: Audi
- Model: A3
- Trim: S Line
- Version: 1.5 TFSI S Line Manual FWD Euro 6 5dr (147 bhp)
- Year: 2020
- Mileage: 54,387 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 147 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Blue
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi A3 S Line is advertised with 54,387 miles, approximately 4,400 above the typical mileage for its age. The AskCar estimate for this car is £15,032. It is priced at £15,485, which is £453 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,645 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. It is advertised by Listers Honda Stratford-upon-Avon in Stratford-on-Avon. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £453 (3%) over the AskCar estimate of £15,032.
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 6,645 priced Audi A3 adverts across different ages and specifications, as of 5 November 2026.
A 2020 Audi A3 with the 1.5 petrol engine is typically advertised at £16,000: the median of the 148 for sale on AskCar, as of 5 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: 254 of the 483 first advertised between 8 July 2026 and 2 October 2026.
Price history
AskCar first saw this advert on 5 November 2026 at £15,485. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 4,400 miles higher than the median mileage of a 2020 Audi A3 on AskCar.
Similar cars
33 other 2020 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £11,995 to £17,995, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 54,479 miles. Price: £14,750, £735 less than this car. Dealer: Quality Cars and Commercials in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-c3bdb4393992
- 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 51,000 miles. Price: £15,295, £190 less than this car. Dealer: Wynford Specialist Motors in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-ceed5b38b0da
- 2020 Audi A3 S Line, 1.5 petrol hatchback, red. Mileage: 57,817 miles. Price: £15,990, £505 more than this car. Dealer: Agnew Group Belfast Audi in Belfast. AskCar page: https://askcar.co.uk/car/audi-a3-2020-bdaf3ebd379a
Browse all Audi A3 cars for sale · 2020 Audi A3 price guide
More like this
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- Used Audi A3 for sale near Stratford-upon-Avon
Photos
1 photo of this car is on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.