2026 Kia K4 1.0 T-GDi MHEV GT Line S

Price: £24,990. Fair price: £663 (2%) under the AskCar estimate of £25,653, 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: 4,770 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 has covered 4,770 miles. The AskCar estimate for this car is £25,653. It is priced at £24,990, which is £663 below that estimate. 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 158 days ago, and its asking price has since fallen by £3,930. 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: £663 (2%) under the AskCar estimate of £25,653.

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 £28,920. Its asking price is now £24,990, £3,930 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

  • 28 May 2026: £28,920
  • 30 May 2026: £28,571
  • 16 June 2026: £27,935
  • 18 June 2026: £27,684
  • 23 June 2026: £27,142
  • 26 June 2026: £27,020
  • 30 June 2026: £26,889
  • 9 July 2026: £26,759
  • 15 July 2026: £26,635
  • 29 July 2026: £26,527
  • 8 August 2026: £26,229
  • 23 August 2026: £25,990
  • 5 September 2026: £25,750
  • 11 September 2026: £25,500
  • 26 September 2026: £24,990
  • 11 October 2026: £24,995
  • 16 October 2026: £25,067
  • 20 October 2026: £24,990

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,400 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, £1,005 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, grey. Mileage: 4,725 miles. Price: £25,197, £207 more than this car. Dealer: Startin Kia Warwick in Warwick. AskCar page: https://askcar.co.uk/car/kia-k4-2026-521ece4f3fbe
  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, blue. Mileage: 4,999 miles. Price: £28,995, £4,005 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, red, under a mile from this car. Mileage: 1,578 miles. Price: £25,580, £590 more than this car. Dealer: Acorn Kia Burntwood in Burntwood. AskCar page: https://askcar.co.uk/car/kia-k4-2026-0b40cfe3ee4f

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

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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.