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 8.7 seconds for 2024 BYD Seal U DM-i Comfort. 2024 smart #1 Pro+ has the higher listed output at 272 hp; 2024 BYD Seal U DM-i Comfort is rated at 218 hp, a difference of 54 hp. The torque figures follow 2024 smart #1 Pro+ at 343 Nm and 2024 BYD Seal U DM-i Comfort 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
2024 smart #1 Pro+ carries the longer listed range at 440 km, against 80 km for 2024 BYD Seal U DM-i Comfort. 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
2024 BYD Seal U DM-i Comfort provides the larger quoted cargo volume: 425 litres versus 313 litres, a difference of 112 litres. 2024 BYD Seal U DM-i Comfort is 505 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
2024 BYD Seal U DM-i Comfort has the lower listed starting price at $35,900, compared with $39,950 for 2024 smart #1 Pro+. 2024 smart #1 Pro+ 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.