Performance, power and 0-100 km/h
2025 Mercedes-Benz GLB 250 4MATIC has the quicker recorded 0-100 km/h time at 6.9 seconds, compared with 7.8 seconds for 2025 Cadillac XT5 Luxury FWD. 2025 Cadillac XT5 Luxury FWD has the higher listed output at 235 hp; 2025 Mercedes-Benz GLB 250 4MATIC is rated at 221 hp, a difference of 14 hp. The torque figures follow 2025 Mercedes-Benz GLB 250 4MATIC at 350 Nm and 2025 Cadillac XT5 Luxury FWD at 258 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 Mercedes-Benz GLB 250 4MATIC has the lower recorded consumption at 8.1 L/100km; 2025 Cadillac XT5 Luxury FWD is listed at 9.2 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 Cadillac XT5 Luxury FWD provides the larger quoted cargo volume: 850 litres versus 500 litres, a difference of 350 litres. 2025 Mercedes-Benz GLB 250 4MATIC carries the higher towing rating at 1,800 kg, while 2025 Cadillac XT5 Luxury FWD is listed at 1,588 kg. 2025 Cadillac XT5 Luxury FWD is 178 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 Mercedes-Benz GLB 250 4MATIC has the lower listed starting price at $44,850, compared with $45,190 for 2025 Cadillac XT5 Luxury FWD. 2025 Mercedes-Benz GLB 250 4MATIC 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.