2026 Kia K4 1.0 T-GDi MHEV GT Line

Price: £23,250. Fair price: £1,896 (7%) under the AskCar estimate of £25,146, our expected asking price for this car from its model, age, mileage and specification, drawing on 279 priced Kia K4 adverts on AskCar as of 10 November 2026.

AskCar lists 280 used Kia K4 from 141 UK dealerships, as of 10 November 2026.

Overview

  • Make: Kia
  • Model: K4
  • Trim: GT Line
  • Version: 1.0 T-GDi Mhev GT Line DCT FWD Euro 6 (s/s) 5dr (113 bhp)
  • Year: 2026
  • Mileage: 19 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: Black
  • CO2: 130 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Kia K4 GT Line has covered 19 miles, around 3,200 fewer miles than is typical for its age. Priced at £23,250, it is advertised £1,896 below the AskCar estimate of £25,146. The AskCar estimate uses 279 UK dealer adverts for the Kia K4, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 13 days ago. The seller is Brayleys Cars Brayley Kia Harpenden, based in Harpenden. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Brayleys Cars Brayley Kia Harpenden is rated 4.6 out of 5 on Google.

Price

Fair price: £1,896 (7%) under the AskCar estimate of £25,146.

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 279 priced Kia K4 adverts across different ages and specifications, as of 10 November 2026.

A 2026 Kia K4 with the 1.0 petrol engine is typically advertised at £23,500: the median of the 222 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2026 Kia K4 has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 28 October 2026 at £23,250. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,200 miles lower than the median mileage of a 2026 Kia K4 on AskCar.

Similar cars

88 other 2026 Kia K4 GT Line 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £21,099 to £27,995, as of 10 November 2026.

The 3 closest to this car in mileage:

  • 2026 Kia K4 GT Line, 1.0 petrol hatchback, white. Mileage: 20 miles. Price: £24,750, £1,500 more than this car. Dealer: Acorn Kia Crewe in Crewe. AskCar page: https://askcar.co.uk/car/kia-k4-2026-bf91f2b1e26d
  • 2026 Kia K4 GT Line, 1.0 petrol hatchback, grey. Mileage: 20 miles. Price: £27,995, £4,745 more than this car. Dealer: JCB Kia Bromley in Bromley. AskCar page: https://askcar.co.uk/car/kia-k4-2026-820a57da387b
  • 2026 Kia K4 GT Line, 1.0 petrol hatchback, yellow. Mileage: 21 miles. Price: £26,995, £3,745 more than this car. Dealer: Park's Coatbridge Kia in Coatbridge. AskCar page: https://askcar.co.uk/car/kia-k4-2026-aa645cdd524c
  • The nearest: 2026 Kia K4 GT Line, 1.0 petrol hatchback, red, 9 miles from this car. Mileage: 4,166 miles. Price: £21,995, £1,255 less than this car. Dealer: Brayleys Cars Brayley KIA Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/kia-k4-2026-37a8ba7ad67a

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

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Photos

25 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.