2026 Kia K4 1.0 T-GDi MHEV GT Line S
Price: £26,999. Fair price: £655 (2%) under the AskCar estimate of £27,654, our expected asking price for this car from its model, age, mileage and specification, drawing on 275 priced Kia K4 adverts on AskCar as of 8 November 2026.
AskCar lists 280 used Kia K4 from 138 UK dealerships, as of 8 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: 20 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: Grey
- CO2: 132 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2026 Kia K4 GT Line S is advertised with 20 miles, approximately 3,400 below the typical mileage for its age. The AskCar estimate for this car is £27,654. It is priced at £26,999, which is £655 below that estimate. The AskCar estimate uses UK dealer asking prices, including 275 Kia K4 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. The seller is Acorn Kia Crewe, based in Crewe. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £655 (2%) under the AskCar estimate of £27,654.
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 275 priced Kia K4 adverts across different ages and specifications, as of 8 November 2026.
A 2026 Kia K4 with the 1.0 petrol engine is typically advertised at £23,900: the median of the 218 for sale on AskCar, as of 8 November 2026.
Time on sale
AskCar first saw this 2026 Kia K4 advertised today. About 1 in 10 of 2026 Kia K4 cars are gone from sale within a month of being advertised: 16 of the 153 first advertised between 11 July 2026 and 5 October 2026.
Price history
AskCar first saw this advert on 8 November 2026 at £26,999. 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 £33,789, as of 8 November 2026.
The 3 closest to this car in mileage:
- 2026 Kia K4 GT Line S, 1.0 petrol hatchback, white. Mileage: 13 miles. Price: £33,789, £6,790 more than this car. Dealer: Group 1 Kia Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/kia-k4-2026-a48084913404
- 2026 Kia K4 GT Line S, 1.0 petrol hatchback, black. Mileage: 10 miles. Price: £25,795, £1,204 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, £1,100 less than this car. Dealer: Alan Day (Colindale) (London) in London. AskCar page: https://askcar.co.uk/car/kia-k4-2026-3ed442d846a0
- The nearest: 2026 Kia K4 GT Line S, 1.0 petrol hatchback, red, under a mile from this car. Mileage: 7,554 miles. Price: £24,999, £2,000 less than this car. Dealer: Acorn Kia Crewe in Crewe. AskCar page: https://askcar.co.uk/car/kia-k4-2026-59a11d96e0a0
Browse all Kia K4 cars for sale · 2026 Kia K4 price guide
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As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.