Performance, power and 0-100 km/h
2024 smart #1 Pro+ has the quicker recorded 0-100 km/h time at 6.7 seconds, compared with 7.8 seconds for 2025 Volvo XC40 B4 Mild Hybrid. 2024 smart #1 Pro+ has the higher listed output at 272 hp; 2025 Volvo XC40 B4 Mild Hybrid is rated at 197 hp, a difference of 75 hp. The torque figures follow 2024 smart #1 Pro+ at 343 Nm and 2025 Volvo XC40 B4 Mild Hybrid at 300 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
Range and energy-use figures are either not shared by both cars or not directly comparable across these powertrain types.
Dimensions, cargo space and towing
2025 Volvo XC40 B4 Mild Hybrid provides the larger quoted cargo volume: 452 litres versus 313 litres, a difference of 139 litres. 2025 Volvo XC40 B4 Mild Hybrid is 170 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 Volvo XC40 B4 Mild Hybrid has the lower listed starting price at $39,590, compared with $39,950 for 2024 smart #1 Pro+. 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.