Performance, power and 0-100 km/h
2026 smart #5 Pulse AWD has the quicker recorded 0-100 km/h time at 4.9 seconds, compared with 6.5 seconds for 2025 Acura RDX Technology SH-AWD. 2026 smart #5 Pulse AWD has the higher listed output at 588 hp; 2025 Acura RDX Technology SH-AWD is rated at 272 hp, a difference of 316 hp. The torque figures follow 2026 smart #5 Pulse AWD at 643 Nm and 2025 Acura RDX Technology SH-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
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 Acura RDX Technology SH-AWD provides the larger quoted cargo volume: 647 litres versus 630 litres, a difference of 17 litres. 2026 smart #5 Pulse AWD carries the higher towing rating at 1,600 kg, while 2025 Acura RDX Technology SH-AWD is listed at 1,588 kg. 2025 Acura RDX Technology SH-AWD is 4 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
2026 smart #5 Pulse AWD 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.