Performance, power and 0-100 km/h
2026 Polestar 5 Performance has the quicker recorded 0-100 km/h time at 3.2 seconds, compared with 5.9 seconds for 2026 BYD Seal Premium RWD. 2026 Polestar 5 Performance has the higher listed output at 884 hp; 2026 BYD Seal Premium RWD is rated at 313 hp, a difference of 571 hp. The torque figures follow 2026 Polestar 5 Performance at 1,015 Nm and 2026 BYD Seal Premium RWD 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
2026 BYD Seal Premium RWD carries the longer listed range at 570 km, against 558 km for 2026 Polestar 5 Performance. 2026 BYD Seal Premium RWD has the lower recorded consumption at 14.5 kWh/100km; 2026 Polestar 5 Performance is listed at 21.2 kWh/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
2026 BYD Seal Premium RWD provides the larger quoted cargo volume: 400 litres versus 365 litres, a difference of 35 litres. 2026 Polestar 5 Performance is 287 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
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.