2026 Kia K4 1.0 T-GDi MHEV GT Line S

Price: £25,580. Fair price: £1,028 (3%) under the AskCar estimate of £26,608, our expected asking price for this car from its model, age, mileage and specification, drawing on 273 priced Kia K4 adverts on AskCar as of 2 November 2026.

AskCar lists 275 used Kia K4 from 136 UK dealerships, as of 2 November 2026.

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: 1,578 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

This 2026 Kia K4 GT Line S has covered 1,578 miles. Its asking price of £25,580 is £1,028 below the AskCar estimate of £26,608. The AskCar estimate uses 273 UK dealer adverts for the Kia K4, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 86 days ago, and its asking price has since fallen by £2,910. The seller is Acorn Kia Burntwood, based in Burntwood. 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: £1,028 (3%) under the AskCar estimate of £26,608.

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 86 days.

Price history

AskCar first saw this advert on 8 August 2026 at £28,490. Its asking price is now £25,580, £2,910 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

  • 8 August 2026: £28,490
  • 23 August 2026: £27,990
  • 12 September 2026: £26,990
  • 26 September 2026: £26,950
  • 31 October 2026: £25,580

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,800 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, grey. Mileage: 1,696 miles. Price: £24,998, £582 less than this car. Dealer: Arnold Clark Linwood Kia in Linwood. AskCar page: https://askcar.co.uk/car/kia-k4-2026-762c074eafc8
  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, white. Mileage: 1,308 miles. Price: £24,265, £1,315 less than this car. Dealer: Vertu Kia Barnsley in Barnsley. AskCar page: https://askcar.co.uk/car/kia-k4-2026-4217b455f5c1
  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, blue. Mileage: 2,000 miles. Price: £29,995, £4,415 more than this car. Dealer: Gatwick Group in Crawley. AskCar page: https://askcar.co.uk/car/kia-k4-2026-affbf06bf365
  • The nearest: 2026 Kia K4 GT Line S, 1.0 petrol hatchback, white, under a mile from this car. Mileage: 4,770 miles. Price: £24,990, £590 less than this car. Dealer: Acorn Kia Burntwood in Burntwood. AskCar page: https://askcar.co.uk/car/kia-k4-2026-bdf6679fb3de

Browse all Kia K4 cars for sale · 2026 Kia K4 price guide

More like this

Photos

1 photo of this car is on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.