2026 Kia K4 1.6 T-GDi GT Line

Price: £20,998. Good value: £2,770 (11%) under the AskCar estimate of £23,768, 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: 1.6 T-GDi GT Line DCT FWD Euro 6 (s/s) 5dr (147 bhp)
  • Year: 2026
  • Mileage: 5,768 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.6 litres, 147 bhp
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 148 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 5,768 miles on the clock, this 2026 Kia K4 GT Line has done roughly 2,400 more miles than a typical 2026 Kia K4. The dealer is asking £20,998, which is £2,770 below the AskCar estimate of £23,768. To work out the AskCar estimate, we analyse UK dealer adverts for 273 Kia K4 cars across different ages and specifications. We first saw this car advertised 152 days ago. Its asking price has since fallen by £5,000. The seller is Citygate Kia Watford, based in Watford. 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

Good value: £2,770 (11%) under the AskCar estimate of £23,768.

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 1.6 petrol engine is typically advertised at £26,000: the median of the 57 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2026 Kia K4 has been on sale for at least 152 days.

Price history

AskCar first saw this advert on 3 June 2026 at £25,998. Its asking price is now £20,998, £5,000 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

  • 3 June 2026: £25,998
  • 30 June 2026: £25,645
  • 6 July 2026: £25,593
  • 14 July 2026: £25,455
  • 15 July 2026: £25,293
  • 20 July 2026: £25,159
  • 23 July 2026: £25,029
  • 29 July 2026: £24,219
  • 5 August 2026: £23,999
  • 13 August 2026: £23,799
  • 18 August 2026: £23,999
  • 20 August 2026: £23,370
  • 25 August 2026: £23,319
  • 31 August 2026: £23,299
  • 8 September 2026: £22,998
  • 16 September 2026: £22,829
  • 22 September 2026: £22,529
  • 25 September 2026: £22,379
  • 29 September 2026: £22,289
  • 7 October 2026: £22,159
  • 20 October 2026: £21,998
  • 24 October 2026: £21,559
  • 27 October 2026: £21,279
  • 29 October 2026: £20,998

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,400 miles higher than the median mileage of a 2026 Kia K4 on AskCar.

Similar cars

25 other 2026 Kia K4 GT Line 1.6 petrol automatic hatchbacks are for sale at UK dealers, from £21,799 to £26,499, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2026 Kia K4 GT Line, 1.6 petrol hatchback, black. Mileage: 5,442 miles. Price: £22,995, £1,997 more than this car. Dealer: Lloyd South Lakes Kia in Kendal. AskCar page: https://askcar.co.uk/car/kia-k4-2026-3ccbf9951742
  • 2026 Kia K4 GT Line, 1.6 petrol hatchback, white. Mileage: 5,429 miles. Price: £21,995, £997 more than this car. Dealer: Allen Motor Group Brentwood Kia in Brentwood. AskCar page: https://askcar.co.uk/car/kia-k4-2026-5580f64383e4
  • 2026 Kia K4 GT Line, 1.6 petrol hatchback, black. Mileage: 5,419 miles. Price: £22,995, £1,997 more than this car. Dealer: Lloyd Motor Group in Carlisle. AskCar page: https://askcar.co.uk/car/kia-k4-2026-3493d376f487

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

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Photos

46 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.