Global EV Comparison: Rivian R1S Tri-Motor Max vs GMC Hummer EV SUV 3X
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General Info
While both vehicles are currently in production, they are not sold in Europe.
The two vehicles share the same body style: SUV.
| Property | Rivian R1S Tri-Motor Max | GMC Hummer EV SUV 3X |
|---|---|---|
| Years of Production | 2025-… | 2023-… |
| Current Status | Produced | Produced |
| Country of Manufacture | USA | USA |
| Body Style | SUV | SUV |
| Market Availability | USA | USA |
| GCC Score | 8 | 7.9 |
Range and Efficiency
Even though the GMC Hummer EV SUV 3X (2023-…) has a larger battery, the Rivian R1S Tri-Motor Max (2025-...) higher energy efficiency results in a longer real-world driving range.
| Property | Rivian R1S Tri-Motor Max | GMC Hummer EV SUV 3X |
|---|---|---|
| Range (EPA) | 597 km | 505 km |
| Range (GCC) | 567 km | 480 km |
| Battery Capacity (Nominal) | 147 kWh | 184 kWh |
| Battery Capacity (Usable) | 140 kWh | 173 kWh |
| Efficiency per 100 km | 24.7 kWh/100 km | 36 kWh/100 km |
| Efficiency per kWh | 4.05 km/kWh | 2.77 km/kWh |
| Range and Efficiency Score | 6.6 | 4.6 |
Charging
The GMC Hummer EV SUV 3X (2023-…) features an advanced 800-volt architecture, whereas the Rivian R1S Tri-Motor Max (2025-...) relies on a standard 400-volt system.
The GMC Hummer EV SUV 3X (2023-…) offers faster charging speeds at DC stations, reaching up to 350 kW, while the Rivian R1S Tri-Motor Max (2025-...) maxes out at 220 kW.
The GMC Hummer EV SUV 3X (2023-…) features a more powerful on-board charger, supporting a maximum AC charging power of 19.2 kW, whereas the Rivian R1S Tri-Motor Max (2025-...) is limited to 11.5 kW.
| Property | Rivian R1S Tri-Motor Max | GMC Hummer EV SUV 3X |
|---|---|---|
| Max Charging Power (AC) | 11.5 kW | 19.2 kW |
| Max Charging Power (DC) | 220 kW | 350 kW |
| Architecture | 400 V | 800 V |
| Charge Port | CCS Type 1 | CCS Type 1 |
| Charging Score | 7.9 | 10 |
Performance
Both vehicles are all-wheel drive.
The Rivian R1S Tri-Motor Max (2025-...) boasts greater motor power and accelerates faster from 0 to 100 km/h.
| Property | Rivian R1S Tri-Motor Max | GMC Hummer EV SUV 3X |
|---|---|---|
| Drive Type | AWD | AWD |
| Motor Type | PMSM (front), 2 PMSM (rear) | PMSM (front), 2 PMSM (rear) |
| Motor Power (kW) | 634 kW | 619 kW |
| Motor Power (hp) | 850 hp | 830 hp |
| Motor Torque | 1495 Nm | 15592 Nm |
| 0-100 km/h | 3 s | 3.7 s |
| Top Speed | 209 km/h | 180 km/h |
| Performance Score | 7.6 | 7.3 |
Dimensions
The Rivian R1S Tri-Motor Max (2025-...) stretches out longer, while the GMC Hummer EV SUV 3X (2023-…) compensates with a wider stance. As for height, they’re nearly identical, so headroom should be comparable.
The GMC Hummer EV SUV 3X (2023-…) boasts a more extended wheelbase.
| Property | Rivian R1S Tri-Motor Max | GMC Hummer EV SUV 3X |
|---|---|---|
| Length | 5100 mm | 4999 mm |
| Width (with Mirrors) | 2238 mm | 2380 mm |
| Width (w/o Mirrors) | 2082 mm | 2198 mm |
| Height | 1955 mm | 1975 mm |
| Wheelbase | 3076 mm | 3218 mm |
Cargo and Towing
The GMC Hummer EV SUV 3X (2023-…) features a larger trunk, but the Rivian R1S Tri-Motor Max (2025-...) offers greater maximum cargo capacity when the rear seats are folded.
Both models feature a convenient frunk (front trunk), providing additional storage space.
The Rivian R1S Tri-Motor Max (2025-...) is better suited for heavy loads, offering a greater towing capacity than the GMC Hummer EV SUV 3X (2023-…).
| Property | Rivian R1S Tri-Motor Max | GMC Hummer EV SUV 3X |
|---|---|---|
| Number of Seats | 5, 7 | 5 |
| Curb Weight | 3095 kg | 3928 kg |
| Cargo Volume (Trunk) | 481 l | 1017 l |
| Cargo Volume (Max) | 2548 l | 2317 l |
| Cargo Volume (Frunk) | 314 l | 320 l |
| Towing Capacity | 3492 kg | 3402 kg |
| Cargo and Towing Score | 9.7 | 9.5 |
