2026 Kia K4 1.0 T-GDi MHEV GT Line S

Price: £23,528. Good value: £2,930 (11%) under the AskCar estimate of £26,458, our expected asking price for this car from its model, age, mileage and specification, drawing on 277 priced Kia K4 adverts on AskCar as of 9 November 2026.

AskCar lists 278 used Kia K4 from 137 UK dealerships, as of 9 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: 1,308 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 1,308 miles. Priced at £23,528, it is advertised £2,930 below the AskCar estimate of £26,458. The AskCar estimate uses 277 UK dealer adverts for the Kia K4, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 159 days ago, and its asking price has since fallen by £5,568. The seller is Vertu Kia Barnsley, based in Barnsley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Good value: £2,930 (11%) under the AskCar estimate of £26,458.

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 277 priced Kia K4 adverts across different ages and specifications, as of 9 November 2026.

A 2026 Kia K4 with the 1.0 petrol engine is typically advertised at £23,800: the median of the 220 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2026 Kia K4 has been on sale for at least 159 days.

Price history

AskCar first saw this advert on 3 June 2026 at £29,096. Its asking price is now £23,528, £5,568 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

  • 3 June 2026: £29,096
  • 10 June 2026: £27,856
  • 16 June 2026: £27,517
  • 17 June 2026: £27,514
  • 19 June 2026: £27,452
  • 20 June 2026: £27,347
  • 22 June 2026: £27,260
  • 23 June 2026: £27,254
  • 24 June 2026: £27,253
  • 26 June 2026: £27,131
  • 27 June 2026: £27,094
  • 2 July 2026: £27,082
  • 4 July 2026: £26,982
  • 10 July 2026: £26,482
  • 12 July 2026: £26,436
  • 17 July 2026: £26,314
  • 20 July 2026: £26,263
  • 22 July 2026: £26,763
  • 29 July 2026: £26,540
  • 31 July 2026: £26,384
  • 3 August 2026: £26,351
  • 11 August 2026: £25,924
  • 18 August 2026: £25,804
  • 20 August 2026: £25,497
  • 25 August 2026: £24,997
  • 4 September 2026: £29,988
  • 6 September 2026: £26,249
  • 8 September 2026: £26,130
  • 9 September 2026: £26,103
  • 10 September 2026: £26,076
  • 12 September 2026: £26,038
  • 13 September 2026: £26,019
  • 15 September 2026: £25,952
  • 16 September 2026: £25,936
  • 17 September 2026: £25,887
  • 20 September 2026: £25,845
  • 22 September 2026: £25,781
  • 25 September 2026: £25,752
  • 26 September 2026: £25,735
  • 27 September 2026: £25,731
  • 29 September 2026: £25,721
  • 30 September 2026: £25,653
  • 1 October 2026: £25,607
  • 2 October 2026: £25,590
  • 3 October 2026: £25,577
  • 6 October 2026: £25,524
  • 7 October 2026: £25,460
  • 10 October 2026: £25,396
  • 13 October 2026: £25,323
  • 14 October 2026: £25,320
  • 17 October 2026: £25,148
  • 18 October 2026: £25,057
  • 20 October 2026: £24,836
  • 23 October 2026: £24,753
  • 24 October 2026: £24,640
  • 1 November 2026: £24,265
  • 3 November 2026: £24,222
  • 4 November 2026: £24,157
  • 7 November 2026: £23,528

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,000 miles lower than the median mileage of a 2026 Kia K4 on AskCar.

Similar cars

80 other 2026 Kia K4 GT Line S 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £22,995 to £33,789, as of 9 November 2026.

The 3 closest to this car in mileage:

  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, black. Mileage: 1,116 miles. Price: £26,495, £2,967 more than this car. Dealer: Westdrive Kia in Braintree. AskCar page: https://askcar.co.uk/car/kia-k4-2026-762632002c58
  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, red. Mileage: 1,578 miles. Price: £25,580, £2,052 more than this car. Dealer: Acorn Kia Burntwood in Burntwood. AskCar page: https://askcar.co.uk/car/kia-k4-2026-0b40cfe3ee4f
  • 2026 Kia K4 GT Line S, 1.0 petrol hatchback, red. Mileage: 1,000 miles. Price: £26,699, £3,171 more than this car. Dealer: Alan Day (Colindale) (London) in London. AskCar page: https://askcar.co.uk/car/kia-k4-2026-4d83a00c8db8
  • The nearest: 2026 Kia K4 GT Line S, 1.0 petrol hatchback, red, 11 miles from this car. Mileage: 3,817 miles. Price: £24,204, £676 more than this car. Dealer: Pentagon Kia Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/kia-k4-2026-48d4aa838fbe

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

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Photos

44 photos of this car are on its AskCar page.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.