NHTSA lists 2 safety recalls and 1 owner complaint for the 2024 GMC Hummer. Most complaints involve forward collision avoidance (1). The EPA rates it 47–53 mpg combined.
General Motors, LLC (GM) is recalling certain 2024 Cadillac Lyriq, Chevrolet Blazer EV, Chevrolet Silverado EV, GMC Hummer EV SUV, and GMC Sierra EV vehicles. The electric motors in the rear drive units may have insufficiently insulated wires that can contact each other, resulting in a loss of drive power.
General Motors, LLC (GM) is recalling certain 2023-2024 GMC Hummer EV pick up, 2024 GMC Hummer EV SUV, and 2024 Chevrolet Silverado EV vehicles. The left or right front seat belt buckle attachment bolts may not be tightened properly.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Complaints for each Hummer model year we’ve synced.
Only one model year synced so far.
“Automatic Emergency Braking engages when no object is present to hit. This has happened twice at lower speeds (roughly 20-30 mph). Parked cars present on side of road. Dangerous to driver and passengers as well as anyone behind the vehicle. Dealer hasn’t yet inspected the vehicle but that is pending scheduling.”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| Hummer EV Pickup Auto (A1) · All-Wheel Drive | 59 | 48 | 53 | $1,450 | — |
| Hummer EV SUV Auto (A1) · All-Wheel Drive | 59 | 48 | 53 | $1,450 | — |
| Hummer EV Pickup 2M20 Auto (A1) · All-Wheel Drive | 58 | 46 | 52 | $1,450 | — |
| Hummer EV SUV 2M20 Auto (A1) · All-Wheel Drive | 56 | 46 | 51 | $1,500 | — |
| Hummer EV Pickup MT Tires Auto (A1) · All-Wheel Drive | 55 | 45 | 50 | $1,400 | — |
| Hummer EV SUV MT Tires Auto (A1) · All-Wheel Drive | 55 | 45 | 50 | $1,400 | — |
| Hummer EV Pickup MT Tires 2M20 Auto (A1) · All-Wheel Drive | 51 | 43 | 47 | $1,600 | — |
| Hummer EV SUV MT Tires 2M20 Auto (A1) · All-Wheel Drive | 51 | 43 | 47 | $1,600 | — |
| Item | Miles | Time | Note |
|---|---|---|---|
| Tire rotation | 6,000–8,000 mi | 6–12 months | EVs wear tires faster (weight, torque) |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–4 years | Regen braking spares the pads, not the fluid |
| Battery coolant | Per manual | Per manual | Intervals vary widely by maker |
| 12V battery | — | 3–5 years |
2 safety recalls as of Nov 11, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 1 complaints with NHTSA. The most-cited components are forward collision avoidance (1). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2024 GMC Hummer at 47–53 mpg combined, depending on engine and drivetrain (8 versions rated).