Performance, power and 0-100 km/h
2026 BYD Seal Premium RWD has the quicker recorded 0-100 km/h time at 5.9 seconds, compared with 6.0 seconds for 2025 Mercedes-Benz C-Class C 300 4MATIC. 2026 BYD Seal Premium RWD has the higher listed output at 313 hp; 2025 Mercedes-Benz C-Class C 300 4MATIC is rated at 258 hp, a difference of 55 hp. The torque figures follow 2025 Mercedes-Benz C-Class C 300 4MATIC at 400 Nm and 2026 BYD Seal Premium RWD at 380 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
2025 Mercedes-Benz C-Class C 300 4MATIC provides the larger quoted cargo volume: 455 litres versus 400 litres, a difference of 55 litres. 2026 BYD Seal Premium RWD is 49 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 BYD Seal Premium RWD has the lower listed starting price at $41,900, compared with $45,400 for 2025 Mercedes-Benz C-Class C 300 4MATIC. 2026 BYD Seal Premium RWD 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.