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: 3,544 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

The advertised mileage for this 2026 Kia K4 GT Line S is 3,544 miles. Its asking price of £25,999 is £238 above the AskCar estimate of £25,761. The AskCar estimate draws on 273 Kia K4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 83 days ago, and its asking price has since fallen by £4,000. The seller is Grainger Motor Group, based in Thetford. 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: £238 (under 1%) over the AskCar estimate of £25,761.

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 83 days.

Price history

AskCar first saw this advert on 11 August 2026 at £29,999. Its asking price is now £25,999, £4,000 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 11 August 2026: £29,999
• 14 August 2026: £28,999
• 26 August 2026: £28,499
• 17 September 2026: £27,999
• 19 October 2026: £26,499
• 23 October 2026: £25,999

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 100 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, black. Mileage: 3,659 miles. Price: £23,459, £2,540 less than this car. Dealer: Citygate Kia Watford in Watford. AskCar page: https://askcar.co.uk/car/kia-k4-2026-6415d10f0c71
• 2026 Kia K4 GT Line S, 1.0 petrol hatchback, grey. Mileage: 3,664 miles. Price: £26,995, £996 more than this car. Dealer: Park's Motor Group Kia Bathgate in Bathgate. AskCar page: https://askcar.co.uk/car/kia-k4-2026-ff143559019c
• 2026 Kia K4 GT Line S, 1.0 petrol hatchback, blue. Mileage: 3,400 miles. Price: £25,489, £510 less than this car. Dealer: Howards Kia Weston Super Mare in Weston-super-Mare. AskCar page: https://askcar.co.uk/car/kia-k4-2026-a3d5fc2088e0

• The nearest: 2026 Kia K4 GT Line S, 1.0 petrol hatchback, blue, 25 miles from this car. Mileage: 2,500 miles. Price: £24,495, £1,504 less than this car. Dealer: EMG Motor Group Kings Lynn Kia in King's Lynn. AskCar page: https://askcar.co.uk/car/kia-k4-2026-6dc63ee85bff