2026 Kia K4 1.0 T-GDi MHEV GT Line S

Overview

• Make: Kia
• Model: K4
• Trim: GT Line S
• Version: 1.0 T-GDi Mhev GT Line S DCT FWD Euro 6 (s/s) 5dr (113 bhp)
• Year: 2026
• Mileage: 3,263 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.0 litres, 113 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: White
• CO2: 132 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Kia K4 GT Line S is advertised with 3,263 miles on the clock. The dealer is asking £24,499, which is £1,287 below the AskCar estimate of £25,786. To work out the AskCar estimate, we analyse UK dealer adverts for 273 Kia K4 cars across different ages and specifications. Since we first spotted the advert 156 days ago, the asking price has dropped by £4,500. It is advertised by Leslies (Cowes) in Isle of Wight. 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: £1,287 (4%) under the AskCar estimate of £25,786.

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 273 priced Kia K4 adverts across different ages and specifications, as of 2 November 2026.

A 2026 Kia K4 with the 1.0 petrol engine is typically advertised at £23,800: the median of the 214 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2026 Kia K4 has been on sale for at least 156 days.

Price history

AskCar first saw this advert on 30 May 2026 at £28,999. Its asking price is now £24,499, £4,500 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 31 May 2026: £28,999
• 6 August 2026: £26,999
• 8 September 2026: £26,699
• 20 September 2026: £25,999
• 3 October 2026: £25,699
• 1 November 2026: £24,499

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 100 miles lower than the median mileage of a 2026 Kia K4 on AskCar.

Similar cars

76 other 2026 Kia K4 GT Line S 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £23,295 to £33,789, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2026 Kia K4 GT Line S, 1.0 petrol hatchback, white. Mileage: 3,378 miles. Price: £26,995, £2,496 more than this car. Dealer: Todds of Campsie (Londonderry) in Londonderry. AskCar page: https://askcar.co.uk/car/kia-k4-2026-5544ab2b0c25
• 2026 Kia K4 GT Line S, 1.0 petrol hatchback, blue. Mileage: 3,400 miles. Price: £25,489, £990 more than this car. Dealer: Howards Kia Weston Super Mare in Weston-super-Mare. AskCar page: https://askcar.co.uk/car/kia-k4-2026-a3d5fc2088e0
• 2026 Kia K4 GT Line S, 1.0 petrol hatchback, white. Mileage: 3,544 miles. Price: £25,999, £1,500 more than this car. Dealer: Grainger Motor Group in Thetford. AskCar page: https://askcar.co.uk/car/kia-k4-2026-3a6ac4d79d0b

• The nearest: 2026 Kia K4 GT Line S, 1.0 petrol hatchback, black, 13 miles from this car. Mileage: 6,312 miles. Price: £25,390, £891 more than this car. Dealer: Peter Cooper Kia Hedge End in Hedge End. AskCar page: https://askcar.co.uk/car/kia-k4-2026-220add0e17f2