Performance, power and 0-100 km/h
2025 GMC Sierra 1500 SLE 2.7L Turbo has the quicker recorded 0-100 km/h time at 6.5 seconds, compared with 7.5 seconds for 2025 RAM 1500 Big Horn 3.6L V6. 2025 GMC Sierra 1500 SLE 2.7L Turbo has the higher listed output at 310 hp; 2025 RAM 1500 Big Horn 3.6L V6 is rated at 305 hp, a difference of 5 hp. The torque figures follow 2025 GMC Sierra 1500 SLE 2.7L Turbo at 583 Nm and 2025 RAM 1500 Big Horn 3.6L V6 at 370 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
2025 GMC Sierra 1500 SLE 2.7L Turbo has the lower recorded consumption at 10.2 L/100km; 2025 RAM 1500 Big Horn 3.6L V6 is listed at 11.2 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
2025 RAM 1500 Big Horn 3.6L V6 carries the higher towing rating at 4,899 kg, while 2025 GMC Sierra 1500 SLE 2.7L Turbo is listed at 4,173 kg. 2025 GMC Sierra 1500 SLE 2.7L Turbo is 70 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 RAM 1500 Big Horn 3.6L V6 has the lower listed starting price at $42,070, compared with $44,900 for 2025 GMC Sierra 1500 SLE 2.7L Turbo. The measured categories split evenly, so the better choice depends on which attributes matter most. The assessment is based on the specifications shown here; it is not presented as a two-car road test.