Performance, power and 0-100 km/h
2025 GMC Terrain AT4 has the quicker recorded 0-100 km/h time at 7.5 seconds, compared with 8.9 seconds for 2025 BMW X1 sDrive18i. 2025 GMC Terrain AT4 has the higher listed output at 252 hp; 2025 BMW X1 sDrive18i is rated at 156 hp, a difference of 96 hp. The torque figures follow 2025 GMC Terrain AT4 at 370 Nm and 2025 BMW X1 sDrive18i at 240 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 BMW X1 sDrive18i has the lower recorded consumption at 7.1 L/100km; 2025 GMC Terrain AT4 is listed at 9.0 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 Terrain AT4 provides the larger quoted cargo volume: 648 litres versus 540 litres, a difference of 108 litres. 2025 GMC Terrain AT4 carries the higher towing rating at 1,588 kg, while 2025 BMW X1 sDrive18i is listed at 1,200 kg. 2025 GMC Terrain AT4 is 158 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 Terrain AT4 has the lower listed starting price at $38,400, compared with $39,600 for 2025 BMW X1 sDrive18i. 2025 GMC Terrain 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.