Performance, power and 0-100 km/h
2025 NIO ET7 100 kWh has the quicker recorded 0-100 km/h time at 3.8 seconds, compared with 5.6 seconds for 2026 Mercedes-Benz EQS 450+. 2025 NIO ET7 100 kWh has the higher listed output at 653 hp; 2026 Mercedes-Benz EQS 450+ is rated at 360 hp, a difference of 293 hp. The torque figures follow 2025 NIO ET7 100 kWh at 850 Nm and 2026 Mercedes-Benz EQS 450+ at 568 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 Mercedes-Benz EQS 450+ carries the longer listed range at 806 km, against 585 km for 2025 NIO ET7 100 kWh. 2026 Mercedes-Benz EQS 450+ has the lower recorded consumption at 15.5 kWh/100km; 2025 NIO ET7 100 kWh is listed at 17.1 kWh/100km. 2026 Mercedes-Benz EQS 450+ has the higher listed DC charging ceiling at 200 kW, compared with 140 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 EQS 450+ provides the larger quoted cargo volume: 610 litres versus 386 litres, a difference of 224 litres. 2026 Mercedes-Benz EQS 450+ is 122 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 NIO ET7 100 kWh has the lower listed starting price at $69,900, compared with $106,400 for 2026 Mercedes-Benz EQS 450+. 2025 NIO ET7 100 kWh 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.