2026 Kia K4 1.0 T-GDi MHEV GT Line S

Price: £33,789. Above the going rate: £5,942 (21%) over the AskCar estimate of £27,847, our expected asking price for this car from its model, age, mileage and specification, drawing on 276 priced Kia K4 adverts on AskCar as of 5 November 2026.

AskCar lists 277 used Kia K4 from 138 UK dealerships, as of 5 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: 13 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 13 miles, around 3,400 fewer miles than is typical for its age. The AskCar estimate for this car is £27,847. It is priced at £33,789, which is £5,942 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 276 Kia K4 cars across different ages and specifications. This car was first seen in our listings data 22 days ago. The seller is Group 1 Kia Maidstone, based in Maidstone. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £5,942 (21%) over the AskCar estimate of £27,847.

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 276 priced Kia K4 adverts across different ages and specifications, as of 5 November 2026.

A 2026 Kia K4 with the 1.0 petrol engine is typically advertised at £23,800: the median of the 216 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2026 Kia K4 has been on sale for at least 22 days.

Price history

AskCar first saw this advert on 14 October 2026 at £33,789. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,400 miles lower than the median mileage of a 2026 Kia K4 on AskCar.

Similar cars

78 other 2026 Kia K4 GT Line S 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £22,995 to £29,995, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, black. Mileage: 10 miles. Price: £25,795, £7,994 less than this car. Dealer: SG Petch Sunderland in Sunderland. AskCar page: https://askcar.co.uk/car/kia-k4-2026-32a7705d77d6
  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, white. Mileage: 10 miles. Price: £25,899, £7,890 less than this car. Dealer: Alan Day (Colindale) (London) in London. AskCar page: https://askcar.co.uk/car/kia-k4-2026-3ed442d846a0
  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, blue. Mileage: 10 miles. Price: £27,299, £6,490 less than this car. Dealer: Lookers Kia Chester in Chester. AskCar page: https://askcar.co.uk/car/kia-k4-2026-fab646b2a0c1
  • The nearest: 2026 Kia K4 GT Line S, 1.0 petrol hatchback, grey, 22 miles from this car. Mileage: 500 miles. Price: £26,995, £6,794 less than this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-k4-2026-e672f2d032f9

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

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Photos

35 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.