2020 Audi A3 1.5 TFSI S Line
Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
Price: £16,750. Fair price: £37 (under 1%) under the AskCar estimate of £16,787, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,508 priced Audi A3 adverts on AskCar as of 29 October 2026.
AskCar lists 6,724 used Audi A3 from 2,304 UK dealerships, as of 29 October 2026.
Overview
- Make
- Audi
- Model
- A3
- Trim
- S Line
- Version
- 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
- Mileage
- 34,936 miles
- Year
- 2020
- Fuel type
- Petrol
- Body type
- Hatchback
- Engine
- 1.5 L
- Gearbox
- Manual
- Power
- 148 bhp
- Seats
- 5
- CO2
- 136 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Engine badge
- TFSI
- Emissions standard
- Euro 6
About this car
With 34,936 miles on the clock, this 2020 Audi A3 S Line has done roughly 15,400 fewer miles than a typical 2020 Audi A3. The dealer is asking £16,750, which is £37 below the AskCar estimate of £16,787. To work out the AskCar estimate, we analyse UK dealer adverts for 6,508 Audi A3 cars across different ages and specifications. It first appeared in our advert records today. Its recorded MOT is valid until 16 July 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Johnsons Suzuki Bilston, based in Bilston.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £16,750 |
Price and mileage comparison
Fair price: £37 (under 1%) under the AskCar estimate of £16,787.
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 6,508 priced Audi A3 adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 15,400 miles lower than the median mileage of a 2020 Audi A3 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 16 July 2027. 32,471 miles at the last test.
Other matching cars
55 other 2020 Audi A3 S Line manual petrol cars are for sale at UK dealers from £11,990 to £18,020, as of 29 October 2026.
The 5 cheapest:
- 2020 Audi A3. Price: £11,990. Mileage: 84,450 miles. Dealer: Cars Direct Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2020-5fd0addfc83a
- 2020 Audi A3. Price: £11,995. Mileage: 103,100 miles. Dealer: KL AutoHouse in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2020-ade2e43c1b3b
- 2020 Audi A3. Price: £12,677. Mileage: 86,743 miles. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-e4a53e48b46a
- 2020 Audi A3. Price: £12,990. Mileage: 58,930 miles. Dealer: The Car Finance Hub in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2020-e43c2ca5d723
- 2020 Audi A3. Price: £12,995. Mileage: 67,056 miles. Dealer: Wcc Auto Group in Heswall. AskCar page: https://askcar.co.uk/car/audi-a3-2020-188973a654f7
The 55 matching cars have covered 9,815 to 103,100 miles, compared with 34,936 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Audi A3 cars for sale · 2020 Audi A3 price guide
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How to contact the dealer and its opening hours are on this AskCar page.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.