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 7.3 seconds for 2026 Kia EV6 Long Range RWD. 2026 Mercedes-Benz EQB 350 4MATIC has the higher listed output at 292 hp; 2026 Kia EV6 Long Range RWD is rated at 229 hp, a difference of 63 hp. The torque figures follow 2026 Mercedes-Benz EQB 350 4MATIC at 520 Nm and 2026 Kia EV6 Long Range RWD at 350 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 Kia EV6 Long Range RWD carries the longer listed range at 535 km, against 444 km for 2026 Mercedes-Benz EQB 350 4MATIC. 2026 Kia EV6 Long Range RWD has the lower recorded consumption at 15.7 kWh/100km; 2026 Mercedes-Benz EQB 350 4MATIC is listed at 18.1 kWh/100km. 2026 Kia EV6 Long Range RWD has the higher listed DC charging ceiling at 233 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
2026 Mercedes-Benz EQB 350 4MATIC provides the larger quoted cargo volume: 495 litres versus 480 litres, a difference of 15 litres. 2026 Kia EV6 Long Range RWD carries the higher towing rating at 1,600 kg, while 2026 Mercedes-Benz EQB 350 4MATIC is listed at 750 kg. 2026 Kia EV6 Long Range RWD is 11 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 Kia EV6 Long Range RWD has the lower listed starting price at $43,100, compared with $54,500 for 2026 Mercedes-Benz EQB 350 4MATIC. 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.