2020 Audi A3 2.0 TDI S Line
Price: £14,300. Fair price: £754 (5%) over the AskCar estimate of £13,546, 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: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
- Year: 2020
- Mileage: 88,430 miles
- Fuel: Diesel
- Body: Hatchback, 5 doors, 5 seats
- Engine: 2.0 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Black
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 88,430 miles, this 2020 Audi A3 S Line has covered about 38,000 more miles than other 2020 Audi A3 cars. The dealer is asking £14,300, which is £754 above the AskCar estimate of £13,546. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We have tracked this advert for 15 days. You can find this car at R 8 Motor Group in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £754 (5%) over the AskCar estimate of £13,546.
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 2.0 diesel engine is typically advertised at £16,800: the median of the 52 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2020 Audi A3 has been on sale for at least 15 days.
Price history
AskCar first saw this advert on 18 October 2026 at £14,300. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 38,000 miles higher than the median mileage of a 2020 Audi A3 on AskCar.
Similar cars
13 other 2020 Audi A3 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £10,995 to £19,770, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2020 Audi A3 S Line, 2.0 diesel hatchback, black. Mileage: 88,430 miles. Price: £14,300, the same price as this car. Dealer: Moto Porium in Bradford. AskCar page: https://askcar.co.uk/car/audi-a3-2020-28a76204192a
- 2020 Audi A3 S Line, 2.0 diesel hatchback, white. Mileage: 86,000 miles. Price: £13,795, £505 less than this car. Dealer: Dream Motor Specialist in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2020-815d51fb7483
- 2020 Audi A3 S Line, 2.0 diesel hatchback, black. Mileage: 96,706 miles. Price: £13,990, £310 less than this car. Dealer: Www.Countrycarsales.Co.Uk in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/audi-a3-2020-0da304c2791b
- The nearest: 2020 Audi A3 S Line, 2.0 diesel hatchback, black, 18 miles from this car. Mileage: 50,392 miles. Price: £17,300, £3,000 more than this car. Dealer: Sytner Select Northampton in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-a0b4f5f99f2f
Browse all Audi A3 cars for sale · 2020 Audi A3 price guide
More like this
- Used Audi A3 S Line prices
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- Used Audi A3 for sale near Milton Keynes
Photos
54 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.