2025 head-to-head · Midsize & Large SUV
2025 GMC Hummer EV vs Toyota Grand Highlander
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2025 GMC Hummer EV is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, it costs about $1,725 a year to fuel (53 MPGe), versus $1,938 for the 2025 Toyota Grand Highlander (24 MPG). That's roughly $212 a year, or about $1,061 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- GMC Hummer EV
- Toyota Grand Highlander
Side by side
| GMC Hummer EV | Toyota Grand Highlander | |
|---|---|---|
| $1,725 | Your annual fuel cost | $1,938 |
| 53 MPGe | Combined efficiency | 24 MPG |
| 59 MPGe | City | 21 MPG |
| 47 MPGe | Highway | 28 MPG |
| 63.9 kWh | Electricity use (kWh/100 mi) | — |
| 318 mi | Driving range | — |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 371 g/mi |
| 8/10 | EPA fuel economy score | 5/10 |
| 10/10 | EPA greenhouse gas score | 5/10 |
| 11.2 hrs | Charge time at 240V | — |
| Electric | Powertrain | Gas |
| Electricity | Fuel | Regular gasoline |
| Electric motors (410 kW) | Engine / motor | 2.4L 4-cyl turbo |
| Single-speed | Transmission | 8-speed automatic |
| AWD | Drivetrain | FWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
GMC Hummer EV vs Toyota Grand Highlander across model years
- GMC Hummer EV
- Toyota Grand Highlander
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Among 94 2025 midsize & large SUVs, the GMC Hummer EV ranks 23rd and the Toyota Grand Highlander 31st for lowest fuel cost.
Because the GMC Hummer EV is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the Toyota Grand Highlander; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2025 GMC Hummer EV or the 2025 Toyota Grand Highlander?
Measured by cost to drive, the GMC Hummer EV. The GMC Hummer EV is rated 53 MPGe combined and the Toyota Grand Highlander 24 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 GMC Hummer EV vs. the Toyota Grand Highlander per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, about $1,725 for the GMC Hummer EV and $1,938 for the Toyota Grand Highlander.
GMC Hummer EV vs Toyota Grand Highlander in other years
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