Jeep Gladiator vs GMC Hummer EV
The GMC Hummer EV is the more efficient of the two: it reaches 53 mpg combined versus 24 mpg for the Jeep Gladiator, a 29 mpg advantage and costs about $1,850 less per year to fuel.
Across 4 measured categories, the GMC Hummer EV leads in 4. Figures are EPA test data, not manufacturer claims.
2021–2027
Jeep Gladiator
Standard Pickup Trucks 4WD · 17 configurations
2024–2025
GMC Hummer EV
Standard Pickup Trucks 4WD · 16 configurations
Head-to-head specifications
| Metric | Jeep Gladiator | GMC Hummer EV |
|---|---|---|
| Best combined MPG | 24 mpg | 53 mpg ✓ |
| Best city MPG | 22 mpg | 59 mpg ✓ |
| Best highway MPG | 28 mpg | 48 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $3,250 | $1,400 ✓ |
| Lowest CO2 output | 423 g/mi | Not available |
| Engines offered | 3.6, 3.0 | Not available |
| Transmissions | Automatic 8-spd, Manual 6-spd | Automatic (A1) |
| Drivetrains | 4-Wheel Drive | All-Wheel Drive |
| Fuel types | Regular, Diesel | Electricity |
| EPA class | Standard Pickup Trucks 4WD | Standard Pickup Trucks 4WD |
| Years covered | 2021–2027 | 2024–2025 |
| Configurations on record | 17 | 16 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Gladiator vs Hummer EV: common questions
Which is better on gas, the Jeep Gladiator or the GMC Hummer EV?
The GMC Hummer EV is the more efficient of the two: it reaches 53 mpg combined versus 24 mpg for the Jeep Gladiator, a 29 mpg advantage and costs about $1,850 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the GMC Hummer EV runs about $1,400 a year in fuel at its most efficient configuration, versus about $3,250 for the Jeep Gladiator — a difference of roughly $1,850 per year.
What engines do the Gladiator and Hummer EV offer?
Jeep Gladiator: 3.6, 3.0. GMC Hummer EV: no engine data on record.
Are they in the same vehicle class?
Yes — the EPA classifies both the Jeep Gladiator and the GMC Hummer EV as Standard Pickup Trucks 4WD, so they compete directly.
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Comparison id: jeep-gladiator-vs-gmc-hummer-ev