Performance, power and 0-100 km/h
Both cars record the same 0-100 km/h time of 6.5 seconds. 2025 Chevrolet Silverado LTZ 5.3L V8 has the higher listed output at 355 hp; 2025 GMC Sierra 1500 SLE 2.7L Turbo is rated at 310 hp, a difference of 45 hp. The torque figures follow 2025 GMC Sierra 1500 SLE 2.7L Turbo at 583 Nm and 2025 Chevrolet Silverado LTZ 5.3L V8 at 519 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 Chevrolet Silverado LTZ 5.3L V8 is listed at 12.4 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 Chevrolet Silverado LTZ 5.3L V8 carries the higher towing rating at 5,307 kg, while 2025 GMC Sierra 1500 SLE 2.7L Turbo is listed at 4,173 kg. 2025 Chevrolet Silverado LTZ 5.3L V8 is 33 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 GMC Sierra 1500 SLE 2.7L Turbo has the lower listed starting price at $44,900, compared with $53,100 for 2025 Chevrolet Silverado LTZ 5.3L V8. 2025 Chevrolet Silverado LTZ 5.3L V8 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.