Performance, power and 0-100 km/h
2025 Zeekr X Long Range has the quicker recorded 0-100 km/h time at 5.8 seconds, compared with 7.5 seconds for 2025 RAM 2500 Limited 6.7L Cummins. 2025 RAM 2500 Limited 6.7L Cummins has the higher listed output at 370 hp; 2025 Zeekr X Long Range is rated at 272 hp, a difference of 98 hp. The torque figures follow 2025 RAM 2500 Limited 6.7L Cummins at 1,084 Nm and 2025 Zeekr X Long Range at 343 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
Range and energy-use figures are either not shared by both cars or not directly comparable across these powertrain types.
Dimensions, cargo space and towing
2025 RAM 2500 Limited 6.7L Cummins is 1,637 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 Zeekr X Long Range has the lower listed starting price at $37,900, compared with $74,470 for 2025 RAM 2500 Limited 6.7L Cummins. 2025 Zeekr X Long Range 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.