2018 Audi A4 1.4 TFSI S Line
Price: £12,490. Fair price: £422 (3%) over the AskCar estimate of £12,068, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,428 priced Audi A4 adverts on AskCar as of 2 November 2026.
AskCar lists 1,493 used Audi A4 from 984 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A4
- Trim: S Line
- Version: 1.4 TFSI S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
- Year: 2018
- Mileage: 47,150 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 1.4 litres, 148 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Blue
- CO2: 128 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi A4 S Line is advertised with 47,150 miles, approximately 27,900 below the typical mileage for its age. The AskCar estimate for this car is £12,068. It is priced at £12,490, which is £422 above that estimate. The AskCar estimate draws on 1,428 Audi A4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 2 days ago. The government's MOT record matches its advertised mileage. You can find this car at Martin Bell Car Sales in Darlington. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £422 (3%) over the AskCar estimate of £12,068.
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 1,428 priced Audi A4 adverts across different ages and specifications, as of 2 November 2026.
A 2018 Audi A4 with the 1.4 petrol engine is typically advertised at £11,000: the median of the 59 for sale on AskCar, as of 2 November 2026.
Time on sale
AskCar first saw this 2018 Audi A4 advertised 2 days ago. About half of 2018 Audi A4 cars are gone from sale within a month of being advertised: 73 of the 145 first advertised between 11 July 2026 and 29 September 2026.
Price history
AskCar first saw this advert on 31 October 2026 at £12,490. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 October 2027.
It has had 7 MOTs. The latest, on 29 October 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 47,131 miles, which matches the advertised 47,150 miles.
Advertised mileage is about 27,900 miles lower than the median mileage of a 2018 Audi A4 on AskCar.
Similar cars
19 other 2018 Audi A4 S Line 1.4 petrol manual saloons are for sale at UK dealers, from £8,450 to £13,120, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 Audi A4 S Line, 1.4 petrol saloon, grey. Mileage: 43,000 miles. Price: £12,490, the same price as this car. Dealer: German Motors in Leeds. AskCar page: https://askcar.co.uk/car/audi-a4-2018-3ed5ab73481a
- 2018 Audi A4 S Line, 1.4 petrol saloon, grey. Mileage: 54,000 miles. Price: £11,995, £495 less than this car. Dealer: Rightcars in Saltcoats. AskCar page: https://askcar.co.uk/car/audi-a4-2018-f2f5f41fff5c
- 2018 Audi A4 S Line, 1.4 petrol saloon, grey. Mileage: 40,204 miles. Price: £12,699, £209 more than this car. Dealer: Pinetree Car Superstore - Tonypandy in Tonypandy. AskCar page: https://askcar.co.uk/car/audi-a4-2018-c08b781056b6
Browse all Audi A4 cars for sale · 2018 Audi A4 price guide
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Photos
2 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.