GMC home charging requirements
Every GMC electric model below, with the charger amperage its onboard charger can actually accept and the circuit it needs. A larger charger will not charge these cars any faster.
| Vehicle | Accepts | Charger | Breaker |
|---|---|---|---|
| 2024 GMC Hummer EV Pickup | 19.2 kW | 80 A | 100 A |
| 2024 GMC Hummer EV SUV | 19.2 kW | 80 A | 100 A |
| 2025 GMC Hummer EV Pickup | 19.2 kW | 80 A | 100 A |
| 2025 GMC Hummer EV SUV | 19.2 kW | 80 A | 100 A |
| 2025 GMC Sierra EV | 19.2 kW | 80 A | 100 A |
| 2026 GMC Sierra EV Ext Range | 19.2 kW | 80 A | 100 A |
| 2026 GMC Sierra EV Std Range | 19.2 kW | 80 A | 100 A |