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: 4,725 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: Grey
• CO2: 132 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Kia K4 GT Line S is advertised with 4,725 miles on the clock. Priced at £25,197, it is advertised £460 below the AskCar estimate of £25,657. The AskCar estimate draws on 273 Kia K4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 158 days ago. Its asking price has since fallen by £4,102. The seller is Startin Kia Warwick, based in Warwick. 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: £460 (1%) under the AskCar estimate of £25,657.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £29,299. Its asking price is now £25,197, £4,102 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 28 May 2026: £29,299
• 16 June 2026: £28,499
• 10 July 2026: £28,299
• 18 July 2026: £27,999
• 26 July 2026: £27,799
• 8 August 2026: £27,499
• 16 August 2026: £27,299
• 4 September 2026: £26,999
• 17 September 2026: £26,699
• 24 September 2026: £26,499
• 6 October 2026: £25,897
• 21 October 2026: £25,197

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,300 miles higher 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: 4,747 miles. Price: £25,995, £798 more than this car. Dealer: Group 1 Kia Coulsdon in Coulsdon. AskCar page: https://askcar.co.uk/car/kia-k4-2026-ad1d36f0fd5e
• 2026 Kia K4 GT Line S, 1.0 petrol hatchback, white. Mileage: 4,770 miles. Price: £24,990, £207 less than this car. Dealer: Acorn Kia Burntwood in Burntwood. AskCar page: https://askcar.co.uk/car/kia-k4-2026-bdf6679fb3de
• 2026 Kia K4 GT Line S, 1.0 petrol hatchback, blue. Mileage: 4,999 miles. Price: £28,995, £3,798 more than this car. Dealer: Pentagon Kia Mansfield in Mansfield. AskCar page: https://askcar.co.uk/car/kia-k4-2026-89dada41a8cd

• The nearest: 2026 Kia K4 GT Line S, 1.0 petrol hatchback, black, 12 miles from this car. Mileage: 3,812 miles. Price: £24,999, £198 less than this car. Dealer: Sutton Park Coventry in Coventry. AskCar page: https://askcar.co.uk/car/kia-k4-2026-0d67c65b5355