2020 Audi A3 2.0 TDI S Line
Price: £14,999. Fair price: £481 (3%) under the AskCar estimate of £15,480, 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 30 TDI S Line S tronic FWD Euro 6 4dr (114 bhp)
- Year: 2020
- Mileage: 63,397 miles
- Fuel: Diesel
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 114 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Black
- CO2: 124 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 63,397 miles, this 2020 Audi A3 S Line has covered about 13,000 more miles than other 2020 Audi A3 cars. Its asking price of £14,999 is £481 below the AskCar estimate of £15,480. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 48 days ago. Its asking price has since fallen by £900. The recorded MOT expired on 31 October 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. The seller is Stratstone Liverpool Audi, based in Liverpool. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £481 (3%) under the AskCar estimate of £15,480.
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 48 days.
Price history
AskCar first saw this advert on 15 September 2026 at £15,899. Its asking price is now £14,999, £900 less. The latest price cut was seen on 24 October 2026.
Price changes recorded:
- 15 September 2026: £15,899
- 16 September 2026: £15,649
- 30 September 2026: £15,599
- 13 October 2026: £15,299
- 24 October 2026: £14,999
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 31 October 2026; ask the dealer for the current MOT.
It has had 3 MOTs. The latest, on 8 October 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 53,371 miles, which matches the advertised 63,397 miles.
Advertised mileage is about 13,000 miles higher than the median mileage of a 2020 Audi A3 on AskCar.
Similar cars
5 other 2020 Audi A3 S Line 2.0 diesel automatic saloons are for sale at UK dealers, from £14,998 to £18,000, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2020 Audi A3 S Line, 2.0 diesel saloon, grey. Mileage: 59,508 miles. Price: £16,985, £1,986 more than this car. Dealer: Listers Birmingham Audi in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-6c692897ad01
- 2020 Audi A3 S Line, 2.0 diesel saloon, blue. Mileage: 45,971 miles. Price: £16,995, £1,996 more than this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2020-1c5b11733d40
- 2020 Audi A3 S Line, 2.0 diesel saloon, white. Mileage: 86,507 miles. Price: £14,998, the same price as this car. Dealer: Arnold Clark Glenrothes Vauxhall Fiat Abarth Leapmotor in Glenrothes. AskCar page: https://askcar.co.uk/car/audi-a3-2020-89622beb34d4
Browse all Audi A3 cars for sale · 2020 Audi A3 price guide
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Photos
40 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.