2018 Audi A4 1.4 TFSI S Line
Price: £12,498. Fair price: £811 (6%) over the AskCar estimate of £11,687, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,427 priced Audi A4 adverts on AskCar as of 4 November 2026.
AskCar lists 1,488 used Audi A4 from 972 UK dealerships, as of 4 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: 52,774 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 1.4 litres, 148 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: White
- CO2: 128 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi A4 S Line is advertised with 52,774 miles, approximately 21,200 below the typical mileage for its age. Priced at £12,498, it is advertised £811 above the AskCar estimate of £11,687. The AskCar estimate uses 1,427 UK dealer adverts for the Audi A4, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 29 days ago. Its asking price has since fallen by £300. We checked its advertised mileage against the government's MOT record, and they match. The seller is CarSupermarket.com Birmingham, based in Birmingham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £811 (6%) over the AskCar estimate of £11,687.
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 1,427 priced Audi A4 adverts across different ages and specifications, as of 4 November 2026.
A 2018 Audi A4 with the 1.4 petrol engine is typically advertised at £11,100: the median of the 58 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2018 Audi A4 has been on sale for at least 29 days.
Price history
AskCar first saw this advert on 6 October 2026 at £12,798. Its asking price is now £12,498, £300 less. The latest price cut was seen on 29 October 2026.
Price changes recorded:
- 6 October 2026: £12,798
- 29 October 2026: £12,498
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 30 September 2027.
It has had 8 MOTs. The latest, on 1 October 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 52,780 miles, which matches the advertised 52,774 miles.
Advertised mileage is about 21,200 miles lower than the median mileage of a 2018 Audi A4 on AskCar.
Similar cars
18 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 4 November 2026.
The 3 closest to this car in mileage:
- 2018 Audi A4 S Line, 1.4 petrol saloon, grey. Mileage: 54,000 miles. Price: £11,995, £503 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, white. Mileage: 55,880 miles. Price: £10,850, £1,648 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/audi-a4-2018-2aae267fac74
- 2018 Audi A4 S Line, 1.4 petrol saloon, black. Mileage: 57,000 miles. Price: £11,490, £1,008 less than this car. Dealer: German Motors in Leeds. AskCar page: https://askcar.co.uk/car/audi-a4-2018-f5939736ffbe
Browse all Audi A4 cars for sale · 2018 Audi A4 price guide
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Photos
28 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.