2026 Kia K4 1.0 T-GDi GT Line S

Price: £28,999. Above the going rate: £3,605 (14%) over the AskCar estimate of £25,394, 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 115 48V GT Line S DCT FWD Euro 6 5dr (113 bhp)
  • Year: 2026
  • Mileage: 3,800 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 3,800 miles. The dealer is asking £28,999, which is £3,605 above the AskCar estimate of £25,394. To work out the AskCar estimate, we analyse UK dealer adverts for 273 Kia K4 cars across different ages and specifications. This car was first seen in our listings data 123 days ago. The seller is Hendy Kia / Mazda / Honda - Eastleigh, based in Eastleigh. 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

Above the going rate: £3,605 (14%) over the AskCar estimate of £25,394.

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 123 days.

Price history

AskCar first saw this advert on 2 July 2026 at £28,999. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 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, black. Mileage: 3,812 miles. Price: £24,999, £4,000 less than this car. Dealer: Sutton Park Coventry in Coventry. AskCar page: https://askcar.co.uk/car/kia-k4-2026-0d67c65b5355
  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, red. Mileage: 3,817 miles. Price: £24,778, £4,221 less than this car. Dealer: Pentagon Kia Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/kia-k4-2026-48d4aa838fbe
  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, white. Mileage: 3,727 miles. Price: £25,997, £3,002 less than this car. Dealer: Flear & Thomson (Stirling) in Stirling. AskCar page: https://askcar.co.uk/car/kia-k4-2026-d5d677c3b29d
  • The nearest: 2026 Kia K4 GT Line S, 1.0 petrol hatchback, black, 5 miles from this car. Mileage: 6,312 miles. Price: £25,390, £3,609 less than this car. Dealer: Peter Cooper Kia Hedge End in Hedge End. AskCar page: https://askcar.co.uk/car/kia-k4-2026-220add0e17f2

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

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Photos

43 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.