2018 Audi A4 1.4 TFSI S Line

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: 37,151 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

This 2018 Audi A4 S Line has covered 37,151 miles, around 37,800 fewer miles than is typical for its age. Priced at £13,000, it is advertised £247 above the AskCar estimate of £12,753. The AskCar estimate draws on 1,428 Audi A4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 5 days ago. The government's MOT record matches its advertised mileage. You can find this car at Car Planet Barnet in New Southgate. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £247 (1%) over the AskCar estimate of £12,753.

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 5 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 28 October 2026 at £13,000. 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 20 July 2027.

It has had 6 MOTs. The latest, on 3 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,175 miles, which matches the advertised 37,151 miles.

Advertised mileage is about 37,800 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, white. Mileage: 35,320 miles. Price: £13,120, £120 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, grey. Mileage: 40,204 miles. Price: £12,699, £301 less than this car. Dealer: Pinetree Car Superstore - Tonypandy in Tonypandy. AskCar page: https://askcar.co.uk/car/audi-a4-2018-c08b781056b6
• 2018 Audi A4 S Line, 1.4 petrol saloon, grey. Mileage: 43,000 miles. Price: £12,490, £510 less than this car. Dealer: German Motors in Leeds. AskCar page: https://askcar.co.uk/car/audi-a4-2018-3ed5ab73481a

• The nearest: 2018 Audi A4 S Line, 1.4 petrol saloon, black, 17 miles from this car. Mileage: 89,352 miles. Price: £8,450, £4,550 less than this car. Dealer: Arbat Motors in Bexleyheath. AskCar page: https://askcar.co.uk/car/audi-a4-2018-093b92c334c0