Global EV Comparison: GMC Hummer EV SUV 3X vs Rivian R1S Tri-Motor Max
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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 | GMC Hummer EV SUV 3X | Rivian R1S Tri-Motor Max |
|---|---|---|
| Years of Production | 2023-… | 2025-… |
| Current Status | Produced | Produced |
| Country of Manufacture | USA | USA |
| Body Style | SUV | SUV |
| Market Availability | USA | USA |
| GCC Score | 7.9 | 8.1 |
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 | GMC Hummer EV SUV 3X | Rivian R1S Tri-Motor Max |
|---|---|---|
| Range (EPA) | 505 km | 597 km |
| Range (GCC) | 480 km | 567 km |
| Battery Capacity (Nominal) | 184 kWh | 147 kWh |
| Battery Capacity (Usable) | 173 kWh | 140 kWh |
| Efficiency per 100 km | 36 kWh/100 km | 24.7 kWh/100 km |
| Efficiency per kWh | 2.77 km/kWh | 4.05 km/kWh |
| Range and Efficiency Score | 4.7 | 6.7 |
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 | GMC Hummer EV SUV 3X | Rivian R1S Tri-Motor Max |
|---|---|---|
| Max Charging Power (AC) | 19.2 kW | 11.5 kW |
| Max Charging Power (DC) | 350 kW | 220 kW |
| Architecture | 800 V | 400 V |
| Charge Port | CCS Type 1 | CCS Type 1 |
| Charging Score | 10 | 7.9 |
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 | GMC Hummer EV SUV 3X | Rivian R1S Tri-Motor Max |
|---|---|---|
| Drive Type | AWD | AWD |
| Motor Type | PMSM (front), 2 PMSM (rear) | PMSM (front), 2 PMSM (rear) |
| Motor Power (kW) | 619 kW | 634 kW |
| Motor Power (hp) | 830 hp | 850 hp |
| Motor Torque | 15592 Nm | 1495 Nm |
| 0-100 km/h | 3.7 s | 3 s |
| Top Speed | 180 km/h | 209 km/h |
| Performance Score | 7.3 | 7.7 |
Dimensions
The GMC Hummer EV SUV 3X (2023-…) is wider, but has a similar length and height to the Rivian R1S Tri-Motor Max (2025-...).
The GMC Hummer EV SUV 3X (2023-…) boasts a more extended wheelbase.
| Property | GMC Hummer EV SUV 3X | Rivian R1S Tri-Motor Max |
|---|---|---|
| Length | 4999 mm | 5100 mm |
| Width (with Mirrors) | 2380 mm | 2238 mm |
| Width (w/o Mirrors) | 2198 mm | 2082 mm |
| Height | 1975 mm | 1955 mm |
| Wheelbase | 3218 mm | 3076 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 | GMC Hummer EV SUV 3X | Rivian R1S Tri-Motor Max |
|---|---|---|
| Number of Seats | 5 | 5, 7 |
| Curb Weight | 3928 kg | 3095 kg |
| Cargo Volume (Trunk) | 1017 l | 481 l |
| Cargo Volume (Max) | 2317 l | 2548 l |
| Cargo Volume (Frunk) | 320 l | 314 l |
| Towing Capacity | 3402 kg | 3492 kg |
| Cargo and Towing Score | 9.5 | 9.7 |
