Performance, power and 0-100 km/h
2026 Mercedes-Benz AMG C 63 S E Performance has the quicker recorded 0-100 km/h time at 3.4 seconds, compared with 4.7 seconds for 2025 BMW 7 Series 750e xDrive. 2026 Mercedes-Benz AMG C 63 S E Performance has the higher listed output at 680 hp; 2025 BMW 7 Series 750e xDrive is rated at 490 hp, a difference of 190 hp. The torque figures follow 2026 Mercedes-Benz AMG C 63 S E Performance at 1,020 Nm and 2025 BMW 7 Series 750e xDrive at 700 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 7 Series 750e xDrive carries the longer listed range at 82 km, against 13 km for 2026 Mercedes-Benz AMG C 63 S E Performance. 2025 BMW 7 Series 750e xDrive has the lower recorded consumption at 1.6 L/100km; 2026 Mercedes-Benz AMG C 63 S E Performance is listed at 6.9 L/100km. 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 7 Series 750e xDrive provides the larger quoted cargo volume: 540 litres versus 350 litres, a difference of 190 litres. 2025 BMW 7 Series 750e xDrive is 571 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 AMG C 63 S E Performance has the lower listed starting price at $87,500, compared with $108,495 for 2025 BMW 7 Series 750e xDrive. 2026 Mercedes-Benz AMG C 63 S E Performance 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.