2020 Audi A3 2.0 TDI S Line
Version: 2.0 TDI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
Price: £13,890. Good value: £1,601 (10%) under the AskCar estimate of £15,491, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,475 priced Audi A3 adverts on AskCar as of 30 October 2026.
AskCar lists 6,654 used Audi A3 from 2,240 UK dealerships, as of 30 October 2026.
Overview
- Make
- Audi
- Model
- A3
- Trim
- S Line
- Version
- 2.0 TDI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
- Mileage
- 49,397 miles
- Year
- 2020
- Fuel type
- Diesel
- Body type
- Hatchback
- Engine
- 2.0 L
- Gearbox
- Manual
- Power
- 148 bhp
- Seats
- 5
- CO2
- 115 g/km
- Colour
- White
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Engine badge
- TDI
- Emissions standard
- Euro 6
About this car
This 2020 Audi A3 S Line is advertised with 49,397 miles on the clock. Priced at £13,890, it is advertised £1,601 below the AskCar estimate of £15,491. To work out the AskCar estimate, we analyse UK dealer adverts for 6,475 Audi A3 cars across different ages and specifications. It first appeared in our advert records today. Its recorded MOT is valid until 13 February 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Days Motorpark Cardiff, based in Cardiff.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £13,890 |
Price and mileage comparison
Good value: £1,601 (10%) under the AskCar estimate of £15,491.
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 6,475 priced Audi A3 adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 900 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 13 February 2027. 44,771 miles at the last test.
Other matching cars
4 other 2020 Audi A3 S Line manual diesel cars are for sale at UK dealers from £11,795 to £15,490, as of 30 October 2026.
- 2020 Audi A3. Price: £11,795. Mileage: 83,067 miles. Dealer: Prestige Motors Kent in Sevenoaks. AskCar page: https://askcar.co.uk/car/audi-a3-2020-dfa16760bc07
- 2020 Audi A3. Price: £12,998. Mileage: 66,267 miles. Dealer: Arnold Clark Motherwell Motorstore in Motherwell. AskCar page: https://askcar.co.uk/car/audi-a3-2020-edfa98805c29
- 2020 Audi A3. Price: £13,750. Mileage: 93,000 miles. Dealer: DCX Car Sales in Armagh. AskCar page: https://askcar.co.uk/car/audi-a3-2020-b2943e508899
- 2020 Audi A3. Price: £15,490. Mileage: 54,143 miles. Dealer: Whitley Bay Motors in Washington. AskCar page: https://askcar.co.uk/car/audi-a3-2020-ecac7ba12530
The 4 matching cars have covered 54,143 to 93,000 miles, compared with 49,397 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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Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.