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 5.5 seconds for 2024 Li Auto MEGA. 2026 Polestar 5 Performance has the higher listed output at 884 hp; 2024 Li Auto MEGA is rated at 400 hp, a difference of 484 hp. The torque figures follow 2026 Polestar 5 Performance at 1,015 Nm and 2024 Li Auto MEGA at 542 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 Li Auto MEGA carries the longer listed range at 710 km, against 558 km for 2026 Polestar 5 Performance. 2024 Li Auto MEGA 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
2024 Li Auto MEGA provides the larger quoted cargo volume: 880 litres versus 365 litres, a difference of 515 litres. 2024 Li Auto MEGA is 263 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.