2026 Kia K4 1.0 T-GDi MHEV GT Line S

Price: £27,495. Fair price: £339 (1%) under the AskCar estimate of £27,834, 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: 135 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: Blue
  • CO2: 132 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Kia K4 GT Line S has covered 135 miles, around 3,300 fewer miles than is typical for its age. Its asking price of £27,495 is £339 below the AskCar estimate of £27,834. The AskCar estimate uses UK dealer asking prices, including 273 Kia K4 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 157 days ago. Its asking price has since fallen by £4,000. The seller is Waylands Kia Reading, based in Reading. 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: £339 (1%) under the AskCar estimate of £27,834.

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 157 days.

Price history

AskCar first saw this advert on 29 May 2026 at £31,495. Its asking price is now £27,495, £4,000 less. The latest price cut was seen on 30 September 2026.

Price changes recorded:

  • 29 May 2026: £31,495
  • 30 September 2026: £27,495

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,300 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: 50 miles. Price: £29,990, £2,495 more than this car. Dealer: Howards Kia Barnstaple in Barnstaple. AskCar page: https://askcar.co.uk/car/kia-k4-2026-40c86357aff0
  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, black. Mileage: 15 miles. Price: £27,999, £504 more than this car. Dealer: Lookers Kia Gateshead in Gateshead. AskCar page: https://askcar.co.uk/car/kia-k4-2026-ee6bc0ece18f
  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, white. Mileage: 13 miles. Price: £33,789, £6,294 more than this car. Dealer: Group 1 Kia Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/kia-k4-2026-a48084913404
  • The nearest: 2026 Kia K4 GT Line S, 1.0 petrol hatchback, white, under a mile from this car. Mileage: 800 miles. Price: £24,995, £2,500 less than this car. Dealer: Waylands Kia Reading in Reading. AskCar page: https://askcar.co.uk/car/kia-k4-2026-4444e4729150

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

More like this

Photos

22 photos of this car are 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.