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: 2,600 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: Red
• CO2: 132 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2026 Kia K4 GT Line S is 2,600 miles. Its asking price of £23,991 is £1,659 below the AskCar estimate of £25,650. The AskCar estimate uses UK dealer asking prices, including 275 Kia K4 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. The seller is Citygate Kia Watford, based in Watford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,659 (6%) under the AskCar estimate of £25,650.

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 275 priced Kia K4 adverts across different ages and specifications, as of 8 November 2026.

A 2026 Kia K4 with the 1.0 petrol engine is typically advertised at £23,900: the median of the 218 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2026 Kia K4 advertised today. About 1 in 10 of 2026 Kia K4 cars are gone from sale within a month of being advertised: 16 of the 153 first advertised between 11 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 8 November 2026 at £23,991. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 800 miles lower than the median mileage of a 2026 Kia K4 on AskCar.

Similar cars

78 other 2026 Kia K4 GT Line S 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £22,995 to £33,789, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2026 Kia K4 GT Line S, 1.0 petrol hatchback, black. Mileage: 2,547 miles. Price: £25,360, £1,369 more than this car. Dealer: Allen Motor Group Brentwood Kia in Brentwood. AskCar page: https://askcar.co.uk/car/kia-k4-2026-6594a201ec38
• 2026 Kia K4 GT Line S, 1.0 petrol hatchback, black. Mileage: 2,536 miles. Price: £24,999, £1,008 more than this car. Dealer: Premier Kia Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/kia-k4-2026-ad75dfb5f683
• 2026 Kia K4 GT Line S, 1.0 petrol hatchback, blue. Mileage: 2,677 miles. Price: £26,995, £3,004 more than this car. Dealer: Gravells Kidwelly in Kidwelly. AskCar page: https://askcar.co.uk/car/kia-k4-2026-0e41ddef240a

• The nearest: 2026 Kia K4 GT Line S, 1.0 petrol hatchback, black, under a mile from this car. Mileage: 3,659 miles. Price: £23,399, £592 less than this car. Dealer: Citygate Kia Watford in Watford. AskCar page: https://askcar.co.uk/car/kia-k4-2026-6415d10f0c71