Performance, power and 0-100 km/h
Both cars record the same 0-100 km/h time of 4.6 seconds. 2026 BMW iX xDrive50 has the higher listed output at 523 hp; 2026 BMW X3 M50 xDrive is rated at 398 hp, a difference of 125 hp. The torque figures follow 2026 BMW iX xDrive50 at 765 Nm and 2026 BMW X3 M50 xDrive at 580 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
2026 BMW X3 M50 xDrive provides the larger quoted cargo volume: 570 litres versus 500 litres, a difference of 70 litres. 2026 BMW iX xDrive50 carries the higher towing rating at 2,500 kg, while 2026 BMW X3 M50 xDrive is listed at 2,400 kg. 2026 BMW iX xDrive50 is 198 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 BMW X3 M50 xDrive has the lower listed starting price at $63,500, compared with $88,500 for 2026 BMW iX xDrive50. 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.