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: 4,800 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.4 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 4,800 miles on the clock, this 2018 Audi A4 S Line has done roughly 70,200 fewer miles than a typical 2018 Audi A4. The AskCar estimate for this car is £16,952. It is priced at £16,990, which is £38 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,428 Audi A4 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 158 days, and its asking price has been cut by £1,500. Its advertised mileage matches the government's MOT record. It is advertised by Collective Cars in Epping. 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: £38 (under 1%) over the AskCar estimate of £16,952.

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

The dealer may accept less. This 2018 Audi A4 has been on sale for at least 158 days, and its asking price has been cut by £1,500. 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 May 2026 at £18,490. Its asking price is now £16,990, £1,500 less. The latest price cut was seen on 11 October 2026.

Price changes recorded:

• 29 May 2026: £18,490
• 2 July 2026: £17,990
• 21 July 2026: £17,590
• 28 July 2026: £17,990
• 30 September 2026: £17,490
• 11 October 2026: £16,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 June 2027.

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

There were no advisories at the latest test.

Mileage at that test: 4,934 miles, which matches the advertised 4,800 miles.

Advertised mileage is about 70,200 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 £14,400, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A4 S Line, 1.4 petrol saloon, black. Mileage: 44,132 miles. Price: £14,400, £2,590 less than this car. Dealer: Group 1 Automotive Hatfield Audi in Hatfield. AskCar page: https://askcar.co.uk/car/audi-a4-2018-afe7f3895f40
• 2018 Audi A4 S Line, 1.4 petrol saloon, white. Mileage: 46,090 miles. Price: £13,750, £3,240 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, £3,495 less than this car. Dealer: Group 1 Assured Norwich in Norwich. AskCar page: https://askcar.co.uk/car/audi-a4-2018-ab8677c9a911