Performance, power and 0-100 km/h
2026 Polestar 4 Long Range Single Motor has the quicker recorded 0-100 km/h time at 7.1 seconds, compared with 7.3 seconds for 2025 Volvo EX40 Single Motor Extended Range. 2026 Polestar 4 Long Range Single Motor has the higher listed output at 272 hp; 2025 Volvo EX40 Single Motor Extended Range is rated at 252 hp, a difference of 20 hp. The torque figures follow 2025 Volvo EX40 Single Motor Extended Range at 420 Nm and 2026 Polestar 4 Long Range Single Motor at 343 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 Polestar 4 Long Range Single Motor carries the longer listed range at 620 km, against 476 km for 2025 Volvo EX40 Single Motor Extended Range. 2025 Volvo EX40 Single Motor Extended Range has the lower recorded consumption at 14.5 kWh/100km; 2026 Polestar 4 Long Range Single Motor is listed at 16.1 kWh/100km. Both list the same maximum DC charging power of 200 kW. 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 Polestar 4 Long Range Single Motor provides the larger quoted cargo volume: 526 litres versus 452 litres, a difference of 74 litres. 2026 Polestar 4 Long Range Single Motor is 399 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 EX40 Single Motor Extended Range has the lower listed starting price at $49,900, compared with $56,300 for 2026 Polestar 4 Long Range Single Motor. 2026 Polestar 4 Long Range Single Motor 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.