Performance, power and 0-100 km/h
2026 Mercedes-Benz EQB 350 4MATIC has the quicker recorded 0-100 km/h time at 6.2 seconds, compared with 6.8 seconds for 2025 BMW iX3 30 eDrive. 2026 Mercedes-Benz EQB 350 4MATIC has the higher listed output at 292 hp; 2025 BMW iX3 30 eDrive is rated at 281 hp, a difference of 11 hp. The torque figures follow 2026 Mercedes-Benz EQB 350 4MATIC at 520 Nm and 2025 BMW iX3 30 eDrive at 400 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
2025 BMW iX3 30 eDrive carries the longer listed range at 465 km, against 444 km for 2026 Mercedes-Benz EQB 350 4MATIC. 2025 BMW iX3 30 eDrive has the lower recorded consumption at 14.8 kWh/100km; 2026 Mercedes-Benz EQB 350 4MATIC is listed at 18.1 kWh/100km. 2025 BMW iX3 30 eDrive has the higher listed DC charging ceiling at 150 kW, compared with 100 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
2025 BMW iX3 30 eDrive provides the larger quoted cargo volume: 520 litres versus 495 litres, a difference of 25 litres. 2025 BMW iX3 30 eDrive carries the higher towing rating at 1,200 kg, while 2026 Mercedes-Benz EQB 350 4MATIC is listed at 750 kg. 2025 BMW iX3 30 eDrive is 71 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 Mercedes-Benz EQB 350 4MATIC has the lower listed starting price at $54,500, compared with $58,675 for 2025 BMW iX3 30 eDrive. 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.