2026 Kia K4 1.0 T-GDi MHEV GT Line S
Price: £28,995. Above the going rate: £3,362 (13%) over the AskCar estimate of £25,633, 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: 4,999 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 is advertised with 4,999 miles on the clock. Its asking price of £28,995 is £3,362 above the AskCar estimate of £25,633. 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 89 days ago. Its asking price has since fallen by £1,000. The seller is Pentagon Kia Mansfield, based in Mansfield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Above the going rate: £3,362 (13%) over the AskCar estimate of £25,633.
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 89 days.
Price history
AskCar first saw this advert on 5 August 2026 at £29,995. Its asking price is now £28,995, £1,000 less. The latest price cut was seen on 13 October 2026.
Price changes recorded:
- 6 August 2026: £29,995
- 21 August 2026: £29,495
- 1 September 2026: £28,995
- 9 September 2026: £28,992
- 13 October 2026: £28,495
- 31 October 2026: £28,995
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 1,600 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, white. Mileage: 5,000 miles. Price: £24,950, £4,045 less than this car. Dealer: Perrys Burnley in Burnley. AskCar page: https://askcar.co.uk/car/kia-k4-2026-c8072bd5f87a
- 2026 Kia K4 GT Line S, 1.0 petrol hatchback, grey. Mileage: 5,000 miles. Price: £25,699, £3,296 less than this car. Dealer: Alan Day (Colindale) (London) in London. AskCar page: https://askcar.co.uk/car/kia-k4-2026-4f130019bf61
- 2026 Kia K4 GT Line S, 1.0 petrol hatchback, blue. Mileage: 5,000 miles. Price: £27,995, £1,000 less than this car. Dealer: Boongate Kia in Peterborough. AskCar page: https://askcar.co.uk/car/kia-k4-2026-95419fdc040c
- The nearest: 2026 Kia K4 GT Line S, 1.0 petrol hatchback, blue, 10 miles from this car. Mileage: 2,117 miles. Price: £23,567, £5,428 less than this car. Dealer: Vertu Kia Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/kia-k4-2026-6ef97014ccb0
Browse all Kia K4 cars for sale · 2026 Kia K4 price guide
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Photos
28 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.