2025 head-to-head · Midsize & Large SUV
2025 GMC Hummer EV vs Kia EV9
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 Kia EV9 is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $1,026 a year to fuel (89 MPGe), versus $1,725 for the 2025 GMC Hummer EV (53 MPGe). That's roughly $699 a year, or about $3,496 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
- Kia EV9
Side by side
| GMC Hummer EV | Kia EV9 | |
|---|---|---|
| $1,725 | Your annual fuel cost | $1,026 |
| 53 MPGe | Combined efficiency | 89 MPGe |
| 59 MPGe | City | 100 MPGe |
| 47 MPGe | Highway | 78 MPGe |
| 63.9 kWh | Electricity use (kWh/100 mi) | 38 kWh |
| 318 mi | Driving range | 304 mi |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 8/10 | EPA fuel economy score | 9/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 11.2 hrs | Charge time at 240V | 15.2 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motors (410 kW) | Engine / motor | Electric motor (160 kW) |
| Single-speed | Transmission | Single-speed |
| AWD | Drivetrain | RWD |
✓ 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 Kia EV9 across model years
- GMC Hummer EV
- Kia EV9
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
The GMC Hummer EV goes farther between stops: about 318 miles on a charge, compared with 304 miles for the Kia EV9.
Among 94 2025 midsize & large SUVs, the GMC Hummer EV ranks 23rd and the Kia EV9 12th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 GMC Hummer EV or the 2025 Kia EV9?
Measured by cost to drive, the Kia EV9. The GMC Hummer EV is rated 53 MPGe combined and the Kia EV9 89 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 GMC Hummer EV vs. the Kia EV9 per year?
At 15,000 miles a year with 18¢/kWh electricity, about $1,725 for the GMC Hummer EV and $1,026 for the Kia EV9.
Which has more range?
The GMC Hummer EV: about 318 miles versus 304 miles.
GMC Hummer EV vs Kia EV9 in other years
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