2018 Audi A4 2.0 TDI S Line
Version: 2.0 TDI S Line S tronic 4WD Euro 6 (s/s) 4dr (187 bhp)
Price: £12,800. Fair price: £986 (7%) under the AskCar estimate of £13,786, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,402 priced Audi A4 adverts on AskCar as of 30 October 2026.
AskCar lists 1,462 used Audi A4 from 960 UK dealerships, as of 30 October 2026.
Overview
- Make
- Audi
- Model
- A4
- Trim
- S Line
- Version
- 2.0 TDI S Line S tronic 4WD Euro 6 (s/s) 4dr (187 bhp)
- Mileage
- 74,552 miles
- Year
- 2018
- Fuel type
- Diesel
- Body type
- Saloon
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 187 bhp
- Seats
- 5
- CO2
- 118 g/km
- Colour
- White
- Doors
- 4
- Driven wheels
- Four Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TDI
- Emissions standard
- Euro 6
About this car
This 2018 Audi A4 S Line is advertised with 74,552 miles on the clock. Its asking price of £12,800 is £986 below the AskCar estimate of £13,786. The AskCar estimate uses 1,402 UK dealer adverts for the Audi A4, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. MOT records show an expiry date of 17 February 2027, and the latest recorded mileage is consistent with the advert. The seller is Marshall BMW Scunthorpe, based in Scunthorpe.
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 | £12,800 |
Price and mileage comparison
Fair price: £986 (7%) under the AskCar estimate of £13,786.
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 1,402 priced Audi A4 adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 1,000 miles higher than the median mileage of a 2018 Audi A4 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 17 February 2027. 65,455 miles at the last test.
Other matching cars
6 other 2018 Audi A4 S Line automatic diesel cars are for sale at UK dealers from £8,975 to £16,990, as of 30 October 2026.
The 5 cheapest:
- 2018 Audi A4. Price: £8,975. Mileage: 107,000 miles. Dealer: Midlands Motors in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a4-2018-391a2a1fce68
- 2018 Audi A4. Price: £11,500. Mileage: 91,400 miles. Dealer: Freeman Motors in Oldham. AskCar page: https://askcar.co.uk/car/audi-a4-2018-9dff009210b5
- 2018 Audi A4. Price: £12,950. Mileage: 86,504 miles. Dealer: Campbell Trade Sales in Armagh. AskCar page: https://askcar.co.uk/car/audi-a4-2018-e865bfbf0117
- 2018 Audi A4. Price: £12,995. Mileage: 83,000 miles. Dealer: Cars of Conwy in Colwyn Bay. AskCar page: https://askcar.co.uk/car/audi-a4-2018-af10c433b511
- 2018 Audi A4. Price: £12,995. Mileage: 68,830 miles. Dealer: Saline Motors in Dunfermline. AskCar page: https://askcar.co.uk/car/audi-a4-2018-eb54952af002
The 6 matching cars have covered 26,000 to 107,000 miles, compared with 74,552 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 A4 cars for sale · 2018 Audi A4 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.