Fuel economy details
Hummer H3T 2010
EPA fuel-economy estimates for 2 versions of this vehicle. The overview shows the published range; open each version to compare its powertrain and operating estimates.
How to use these estimates
EPA ratings use standardized city and highway tests, making them a useful starting point for comparing similar vehicles. For model years with several versions, choose the powertrain that matches the vehicle you are considering before relying on a rating.
Your actual fuel or electricity use can vary with weather, payload, driving style, maintenance, and local prices.
Configuration comparison
What changes across the published versions
These 2 EPA configurations are listed for this model year. Compare the exact powertrain before relying on a single rating.
Estimated annual fuel costs differ by up to $250 across the published configurations.
Automatic 4-spd
16 combined MPGEfficiency and cost
- Estimated annual petroleum use
- 18.6 barrels
- Five-year fuel-cost comparison
- costs $9,000 more
EPA class benchmark
Compared with 29 EPA records from 2010 in this vehicle class and fuel type.
- Efficiency position
- At or above 83%
- Combined MPG vs median
- 1 MPG above the class median.
- Annual cost vs median
- $250 lower than the class median.
Manual 5-spd
15 combined MPGEfficiency and cost
- Estimated annual petroleum use
- 19.8 barrels
- Five-year fuel-cost comparison
- costs $10,250 more
EPA class benchmark
Compared with 29 EPA records from 2010 in this vehicle class and fuel type.
- Efficiency position
- At or above 66%
- Combined MPG vs median
- Matches the class median.
- Annual cost vs median
- Matches the class median.
Where these numbers come from
Source: EPA FuelEconomy.gov. This page was last updated on October 3, 2026. Learn more about how we use vehicle data.