2018 Audi A4 1.4 TFSI S Line

Overview

• Make: Audi
• Model: A4
• Trim: S Line
• Version: 1.4 TFSI S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2018
• Mileage: 44,132 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.4 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 44,132 miles, this 2018 Audi A4 S Line has covered about 30,900 fewer miles than other 2018 Audi A4 cars. The dealer is asking £14,400, which is £715 above the AskCar estimate of £13,685. To work out the AskCar estimate, we analyse UK dealer adverts for 1,428 Audi A4 cars across different ages and specifications. Since we first spotted the advert 19 days ago, the asking price has dropped by £50. Its advertised mileage matches the government's MOT record. The seller is Group 1 Automotive Hatfield Audi, based in Hatfield. 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: £715 (5%) over the AskCar estimate of £13,685.

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

This 2018 Audi A4 has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 14 October 2026 at £14,450. Its asking price is now £14,400, £50 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 14 October 2026: £14,450
• 20 October 2026: £14,395
• 26 October 2026: £14,450
• 31 October 2026: £14,400

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 January 2027.

It has had 7 MOTs. The latest, on 16 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,130 miles, which matches the advertised 44,132 miles.

Advertised mileage is about 30,900 miles lower than the median mileage of a 2018 Audi A4 on AskCar.

Similar cars

4 other 2018 Audi A4 S Line 1.4 petrol automatic saloons are for sale at UK dealers, from £11,250 to £16,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A4 S Line, 1.4 petrol saloon, white. Mileage: 46,090 miles. Price: £13,750, £650 less than this car. Dealer: The Motoring Centre in Royal Leamington Spa. AskCar page: https://askcar.co.uk/car/audi-a4-2018-77abe5da1f69
• 2018 Audi A4 S Line, 1.4 petrol saloon, black. Mileage: 48,586 miles. Price: £13,495, £905 less than this car. Dealer: Group 1 Assured Norwich in Norwich. AskCar page: https://askcar.co.uk/car/audi-a4-2018-ab8677c9a911
• 2018 Audi A4 S Line, 1.4 petrol saloon, black. Mileage: 73,887 miles. Price: £11,250, £3,150 less than this car. Dealer: GH Motor Group in Chepstow. AskCar page: https://askcar.co.uk/car/audi-a4-2018-71d65772a8ce

• The nearest: 2018 Audi A4 S Line, 1.4 petrol saloon, grey, 14 miles from this car. Mileage: 4,800 miles. Price: £16,990, £2,590 more than this car. Dealer: Collective Cars in Epping. AskCar page: https://askcar.co.uk/car/audi-a4-2018-ee78639218c3