Performance, power and 0-100 km/h
2026 Rivian R1S Dual Standard has the quicker recorded 0-100 km/h time at 3.6 seconds, compared with 4.4 seconds for 2025 BYD Tang EV AWD. 2026 Rivian R1S Dual Standard has the higher listed output at 600 hp; 2025 BYD Tang EV AWD is rated at 517 hp, a difference of 83 hp. The torque figures follow 2026 Rivian R1S Dual Standard at 878 Nm and 2025 BYD Tang EV AWD at 680 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 BYD Tang EV AWD carries the longer listed range at 530 km, against 488 km for 2026 Rivian R1S Dual Standard. Their recorded consumption is identical at 20.5 kWh/100km. 2026 Rivian R1S Dual Standard has the higher listed DC charging ceiling at 220 kW, compared with 150 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 Rivian R1S Dual Standard provides the larger quoted cargo volume: 498 litres versus 235 litres, a difference of 263 litres. 2026 Rivian R1S Dual Standard carries the higher towing rating at 3,175 kg, while 2025 BYD Tang EV AWD is listed at 1,500 kg. 2026 Rivian R1S Dual Standard is 70 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 BYD Tang EV AWD has the lower listed starting price at $69,800, compared with $75,900 for 2026 Rivian R1S Dual Standard. 2026 Rivian R1S Dual Standard 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.