The 2026 Kia K4 Hatchback belongs firmly in that third category. Low, wide and muscular in a cut carbs/lift weights sort of way, the 2026 Kia K4 Hatchback looks like a 1970s Kammback that quit smoking and hired a trainer. in the 2026 K4 Hatchback. In a market obsessed with size, height and weight, along with the pretense that everyone is overlanding in the Dakar Rally, the 2026 Kia K4 Hatchback is refreshingly grounded. Prices start at $24,990 for the EX and rise to $28,890 for the GT-Line Turbo, plus destination and options.