Performance, power and 0-100 km/h
2025 GMC Acadia AT4 has the quicker recorded 0-100 km/h time at 6.5 seconds, compared with 6.6 seconds for 2025 Infiniti QX55 Sensory AWD. 2025 GMC Acadia AT4 has the higher listed output at 328 hp; 2025 Infiniti QX55 Sensory AWD is rated at 268 hp, a difference of 60 hp. The torque figures follow 2025 GMC Acadia AT4 at 440 Nm and 2025 Infiniti QX55 Sensory AWD at 380 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
Their recorded consumption is identical at 10.2 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 GMC Acadia AT4 provides the larger quoted cargo volume: 625 litres versus 570 litres, a difference of 55 litres. 2025 GMC Acadia AT4 carries the higher towing rating at 2,268 kg, while 2025 Infiniti QX55 Sensory AWD is listed at 1,588 kg. 2025 GMC Acadia AT4 is 319 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 Acadia AT4 has the lower listed starting price at $48,100, compared with $52,050 for 2025 Infiniti QX55 Sensory AWD. 2025 GMC Acadia AT4 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.