2020 Audi A3 2.0 TDI S Line
Price: £16,985. Fair price: £405 (2%) over the AskCar estimate of £16,580, 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) 4dr (148 bhp)
- Year: 2020
- Mileage: 59,508 miles
- Fuel: Diesel
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 124 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi A3 S Line is advertised with 59,508 miles, approximately 9,100 above the typical mileage for its age. Priced at £16,985, it is advertised £405 above the AskCar estimate of £16,580. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. The seller is Listers Birmingham Audi, based in Solihull. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £405 (2%) over the AskCar estimate of £16,580.
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
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: 226 of the 433 first advertised between 8 July 2026 and 29 September 2026.
Price history
AskCar first saw this advert on 2 November 2026 at £16,985. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 9,100 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, black. Mileage: 63,397 miles. Price: £14,999, £1,986 less than this car. Dealer: Stratstone Liverpool Audi in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2020-04218e84faa6
- 2020 Audi A3 S Line, 2.0 diesel saloon, blue. Mileage: 45,971 miles. Price: £16,995, the same price as 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, black. Mileage: 37,600 miles. Price: £18,000, £1,015 more than this car. Dealer: nucar in Basildon. AskCar page: https://askcar.co.uk/car/audi-a3-2020-bb971cd085d6
Browse all Audi A3 cars for sale · 2020 Audi A3 price guide
More like this
- Used Audi A3 S Line prices
- Used Audi A3 for sale under £20,000
- Used automatic Audi A3 for sale
- Used diesel Audi A3 for sale
- Used Audi A3 for sale near Knowle and Dorridge
Photos
1 photo of this car is 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.