2026 Kia K4 1.0 T-GDi MHEV GT Line

Price: £23,270. Fair price: £43 (under 1%) over the AskCar estimate of £23,227, 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
  • Version: 1.0 T-GDi Mhev GT Line DCT FWD Euro 6 (s/s) 5dr (113 bhp)
  • Year: 2026
  • Mileage: 3,985 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: 130 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Kia K4 GT Line is advertised with 3,985 miles on the clock. Its asking price of £23,270 is £43 above the AskCar estimate of £23,227. The AskCar estimate uses 273 UK dealer adverts for the Kia K4, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 66 days ago, the asking price has dropped by £1,250. The seller is Acorn Kia St Helens, based in St. Helens. 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: £43 (under 1%) over the AskCar estimate of £23,227.

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 66 days.

Price history

AskCar first saw this advert on 28 August 2026 at £24,520. Its asking price is now £23,270, £1,250 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

  • 28 August 2026: £24,520
  • 29 August 2026: £23,992
  • 4 September 2026: £23,928
  • 5 September 2026: £23,857
  • 10 September 2026: £23,796
  • 13 October 2026: £23,270

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 600 miles higher than the median mileage of a 2026 Kia K4 on AskCar.

Similar cars

87 other 2026 Kia K4 GT Line 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £21,499 to £27,495, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2026 Kia K4 GT Line, 1.0 petrol hatchback, black. Mileage: 4,001 miles. Price: £23,866, £596 more than this car. Dealer: Acorn Kia St Helens in St Helens. AskCar page: https://askcar.co.uk/car/kia-k4-2026-9604ed8b9213
  • 2026 Kia K4 GT Line, 1.0 petrol hatchback, white. Mileage: 4,021 miles. Price: £22,990, £280 less than this car. Dealer: Howards Kia Barnstaple in Barnstaple. AskCar page: https://askcar.co.uk/car/kia-k4-2026-990abf6095e4
  • 2026 Kia K4 GT Line, 1.0 petrol hatchback, blue. Mileage: 3,948 miles. Price: £22,999, £271 less than this car. Dealer: Allingtons Motor Group in Ashington. AskCar page: https://askcar.co.uk/car/kia-k4-2026-0089f96a20db
  • The nearest: 2026 Kia K4 GT Line, 1.0 petrol hatchback, black, under a mile from this car. Mileage: 1,108 miles. Price: £23,990, £720 more than this car. Dealer: Acorn Kia St Helens in St Helens. AskCar page: https://askcar.co.uk/car/kia-k4-2026-658dc8e5e501

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.