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 4.8 seconds for 2025 Jaguar I-Pace EV400 HSE. 2026 Rivian R1S Dual Standard has the higher listed output at 600 hp; 2025 Jaguar I-Pace EV400 HSE is rated at 400 hp, a difference of 200 hp. The torque figures follow 2026 Rivian R1S Dual Standard at 878 Nm and 2025 Jaguar I-Pace EV400 HSE at 696 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 Rivian R1S Dual Standard carries the longer listed range at 488 km, against 470 km for 2025 Jaguar I-Pace EV400 HSE. 2025 Jaguar I-Pace EV400 HSE has the lower recorded consumption at 19.1 kWh/100km; 2026 Rivian R1S Dual Standard is listed at 20.5 kWh/100km. 2026 Rivian R1S Dual Standard has the higher listed DC charging ceiling at 220 kW, compared with 104 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
2025 Jaguar I-Pace EV400 HSE provides the larger quoted cargo volume: 505 litres versus 498 litres, a difference of 7 litres. 2026 Rivian R1S Dual Standard carries the higher towing rating at 3,175 kg, while 2025 Jaguar I-Pace EV400 HSE is listed at 750 kg. 2026 Rivian R1S Dual Standard is 358 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 Jaguar I-Pace EV400 HSE has the lower listed starting price at $72,300, 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.