2018 Audi A4 1.4 TFSI S Line

Price: £12,990. Fair price: £337 (2%) under the AskCar estimate of £13,327, 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: 28,794 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.4 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 128 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 28,794 miles on the clock, this 2018 Audi A4 S Line has done roughly 45,200 fewer miles than a typical 2018 Audi A4. The dealer is asking £12,990, which is £337 below the AskCar estimate of £13,327. To work out the AskCar estimate, we analyse UK dealer adverts for 1,427 Audi A4 cars across different ages and specifications. We first recorded this car for sale 5 days ago. Its advertised mileage matches the government's MOT record. The seller is Sevenoaks Automotive, based in Tonbridge. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £337 (2%) under the AskCar estimate of £13,327.

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

AskCar first saw this 2018 Audi A4 advertised 5 days ago. About half of 2018 Audi A4 cars are gone from sale within a month of being advertised: 76 of the 150 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £12,990. 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 4 November 2026: valid until 18 February 2027.

It has had 8 MOTs. The latest, on 17 February 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; nearside rear tyre slightly damaged/cracking or perishing; and 3 more.

Mileage at that test: 27,994 miles, which matches the advertised 28,794 miles.

Advertised mileage is about 45,200 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, white. Mileage: 35,320 miles. Price: £13,120, £130 more than this car. Dealer: Evans Halshaw Vauxhall Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/audi-a4-2018-6fd4a6cd9f44
  • 2018 Audi A4 S Line, 1.4 petrol saloon, black. Mileage: 37,789 miles. Price: £12,950, the same price as this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-a4-2018-e9e2304afc6e
  • 2018 Audi A4 S Line, 1.4 petrol saloon, grey. Mileage: 40,204 miles. Price: £12,699, £291 less than this car. Dealer: Pinetree Car Superstore - Tonypandy in Tonypandy. AskCar page: https://askcar.co.uk/car/audi-a4-2018-c08b781056b6
  • The nearest: 2018 Audi A4 S Line, 1.4 petrol saloon, black, 19 miles from this car. Mileage: 89,352 miles. Price: £8,450, £4,540 less than this car. Dealer: Arbat Motors in Bexleyheath. AskCar page: https://askcar.co.uk/car/audi-a4-2018-093b92c334c0

Browse all Audi A4 cars for sale · 2018 Audi A4 price guide

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Photos

66 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.