Performance, power and 0-100 km/h
2025 Kia Stonic 1.0 T-GDi has the quicker recorded 0-100 km/h time at 10.2 seconds, compared with 11.5 seconds for 2024 Hyundai Bayon 1.0 T-GDi 48V. 2025 Kia Stonic 1.0 T-GDi has the higher listed output at 120 hp; 2024 Hyundai Bayon 1.0 T-GDi 48V is rated at 100 hp, a difference of 20 hp. The torque figures follow 2025 Kia Stonic 1.0 T-GDi at 200 Nm and 2024 Hyundai Bayon 1.0 T-GDi 48V at 172 Nm. These figures describe straight-line potential only; they do not establish braking performance, ride quality, steering response or durability under repeated hard use.
Range, battery, charging and efficiency
2024 Hyundai Bayon 1.0 T-GDi 48V has the lower recorded consumption at 5.3 L/100km; 2025 Kia Stonic 1.0 T-GDi is listed at 5.8 L/100km. Test cycle, temperature, wheel size and charging conditions can materially affect these results, so only figures measured on the same basis should be treated as directly comparable.
Dimensions, cargo space and towing
2024 Hyundai Bayon 1.0 T-GDi 48V provides the larger quoted cargo volume: 411 litres versus 352 litres, a difference of 59 litres. 2024 Hyundai Bayon 1.0 T-GDi 48V is 40 mm longer overall. Exterior size is not a benefit by itself: a longer body may create useful room, but cargo shape, rear-seat space and ease of parking still require a physical inspection.
Price and overall assessment
2025 Kia Stonic 1.0 T-GDi has the lower listed starting price at $22,400, compared with $22,500 for 2024 Hyundai Bayon 1.0 T-GDi 48V. 2025 Kia Stonic 1.0 T-GDi leads in more of the shared headline fields, but that is not a universal verdict: a buyer should weight price, performance, range and utility rather than simply count category wins. The assessment is based on the specifications shown here; it is not presented as a two-car road test.