Hummer H3 Gas Mileage (2006 - 2010)

Researched By AutoPadre

Last Updated 2023-04-01

Hummer H3 Gas Mileage Overview

The Hummer H3 gas mileage is from 14.5 miles per gallon (16.5 liters per 100 km) to 17.5 miles per gallon (13.5 liters per 100 km) combined (city and highway) depending on the trim and model year.

For example, the 2010 Hummer H3 Alpha trim model has a combined gas mileage of 14.5 miles per gallon (16.5 liters per 100 km), while the 2006 Hummer H3 Adventure has a combined gas mileage of 17.5 miles per gallon (13.5 liters per 100 km).

In the city, the Hummer H3 gas mileage is from 13 miles per gallon (18.0 liters per 100 km) to 16 miles per gallon (15.0 liters per 100 km) depending on the trim and model year.

On the highway, the Hummer H3 gas mileage is from 16 miles per gallon (15.0 liters per 100 km) to 19 miles per gallon (12.0 liters per 100 km) depending on the trim and model year.

Note: The gas mileage shown for hybrid vehicles is the miles per gallon equivalent.

Hummer H3 Gas Mileage
YearTrimEngineCity Mileage (Imp.)Highway Mileage (Imp.)Combined Mileage (Imp.)City Mileage (Metric)Highway Mileage (Metric)Combined Mileage (Metric)Drivetrain / TransmissionHP / Torque
20103.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 5 Spd Manual239 HP / 241 ft/lbs
2010Adventure3.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 5 Spd Manual239 HP / 241 ft/lbs
2010Alpha5.3L V8 E85 SFI Flexfuel Capable13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 4 Spd Auto, Electronically Controlled300 HP / 320 ft/lbs
2010Luxury3.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 4 Spd Auto, Electronically Controlled239 HP / 241 ft/lbs
20093.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 5 Spd Manual239 HP / 241 ft/lbs
2009Adventure3.7L DOHC 5-Cylinder MFI13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 5 Spd Manual239 HP / 241 ft/lbs
2009Alpha5.3L V8 MFI13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 4 Spd Auto, Electronically Controlled300 HP / 320 ft/lbs
2009Alpha H3X5.3L V8 MFI13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 4 Spd Auto, Electronically Controlled300 HP / 320 ft/lbs
2009H3X3.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 4 Spd Auto, Electronically Controlled239 HP / 241 ft/lbs
20083.7L DOHC 5-Cylinder MFI (242 HP [180.4 KW] @ 5600 RPM 242Lb-FT OF Torque [326.7 N-M] @ 4600 RPM)13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 5 Spd Manual With Overdrive242 HP / 242 ft/lbs
2008Adventure3.7L DOHC 5-Cylinder MFI (242 HP [180.4 KW] @ 5600 RPM 242Lb-FT OF Torque [326.7 N-M] @ 4600 RPM)14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 5 Spd Manual With Overdrive242 HP / 242 ft/lbs
2008Alpha5.3L V8 MFI (300 HP [223.7 KW] @ 5200 RPM 320Lb-FT OF Torque [432 NM] @ 4000 RPM13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 4 Spd Auto, Electronically Controlled With Overdrive300 HP / 320 ft/lbs
2008Alpha H3X5.3L V8 MFI (300 HP [223.7 KW] @ 5200 RPM 320Lb-FT OF Torque [432 NM] @ 4000 RPM13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 4 Spd Auto, Electronically Controlled With Overdrive300 HP / 320 ft/lbs
20073.7L DOHC 5-Cylinder MFI15 mpg19 mpg17 mpg16.0 L/100 km12.0 L/100 km14.0 L/100 km4WD / 5 Spd Manual With Overdrive,242 HP / 242 ft/lbs
2007Adventure3.7L DOHC 5-Cylinder MFI15 mpg19 mpg17 mpg16.0 L/100 km12.0 L/100 km14.0 L/100 km4WD / 5 Spd Manual With Overdrive,242 HP / 242 ft/lbs
2007H3X3.7L DOHC 5-Cylinder MFI15 mpg19 mpg17 mpg16.0 L/100 km12.0 L/100 km14.0 L/100 km4WD / 5 Spd Manual With Overdrive,242 HP / 242 ft/lbs
2007Luxury3.7L DOHC 5-Cylinder MFI15 mpg19 mpg17 mpg16.0 L/100 km12.0 L/100 km14.0 L/100 km4WD / 5 Spd Manual With Overdrive,242 HP / 242 ft/lbs
20063.5L DOHC 5-Cylinder MFI (220 HP [164.1 KW] @ 5600 RPM 225Lb.-FT. [303.7 N-M} @ 2800 RPM)16 mpg19 mpg17.5 mpg15.0 L/100 km12.0 L/100 km13.5 L/100 km4WD / 5 Spd Manual With Overdrive220 HP / 225 ft/lbs
2006Adventure3.5L DOHC 5-Cylinder MFI (220 HP [164.1 KW] @ 5600 RPM 225Lb.-FT. [303.7 N-M} @ 2800 RPM)16 mpg19 mpg17.5 mpg15.0 L/100 km12.0 L/100 km13.5 L/100 km4WD / 5 Spd Manual With Overdrive220 HP / 225 ft/lbs
2006Luxury3.5L DOHC 5-Cylinder MFI (220 HP [164.1 KW] @ 5600 RPM 225Lb.-FT. [303.7 N-M} @ 2800 RPM)16 mpg19 mpg17.5 mpg15.0 L/100 km12.0 L/100 km13.5 L/100 km4WD / 5 Spd Manual With Overdrive220 HP / 225 ft/lbs
Hummer H3 Gas Mileage Data Brought To You By AutoPadre
Hummer H3 Gas Mileage Data Brought To You By AutoPadre

Check out the Gas Mileage specifications for other makes and models.

Hummer H3 Gas Mileage: Jump To Model Year

2010's

2000's

2010 Hummer H3 Gas Mileage

Combined Mileage

Depending on trim level, the 2010 Hummer H3 gas mileage is from 14.5 miles per gallon (16.5 liters per 100 km) to 16 miles per gallon (15.0 liters per 100 km) combined.

City Mileage

In the city, the 2010 Hummer H3 gas mileage is from 13 miles per gallon (18.0 liters per 100 km) to 14 miles per gallon (17.0 liters per 100 km), depending on the trim.

Highway Mileage

On the highway, the 2010 Hummer H3 gas mileage is from 16 miles per gallon (15.0 liters per 100 km) to 18 miles per gallon (13.0 liters per 100 km), depending on the trim.

Combined - City - Highway Table Data

2010 Hummer H3 Gas Mileage
TrimEngineCity Mileage (Imp.)Highway Mileage (Imp.)Combined Mileage (Imp.)City Mileage (Metric)Highway Mileage (Metric)Combined Mileage (Metric)Drivetrain / TransmissionHP / Torque
3.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 5 Spd Manual239 HP / 241 ft/lbs
Adventure3.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 5 Spd Manual239 HP / 241 ft/lbs
Alpha5.3L V8 E85 SFI Flexfuel Capable13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 4 Spd Auto, Electronically Controlled300 HP / 320 ft/lbs
Luxury3.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 4 Spd Auto, Electronically Controlled239 HP / 241 ft/lbs
AutoPadre's Face

AutoPadre Comparison Tool

Easily Compare Specifications Side-By-Side.

Vs.

2009 Hummer H3 Gas Mileage

Combined Mileage

Depending on trim level, the 2009 Hummer H3 gas mileage is from 14.5 miles per gallon (16.5 liters per 100 km) to 16 miles per gallon (15.0 liters per 100 km) combined.

City Mileage

In the city, the 2009 Hummer H3 gas mileage is from 13 miles per gallon (18.0 liters per 100 km) to 14 miles per gallon (17.0 liters per 100 km), depending on the trim.

Highway Mileage

On the highway, the 2009 Hummer H3 gas mileage is from 16 miles per gallon (15.0 liters per 100 km) to 18 miles per gallon (13.0 liters per 100 km), depending on the trim.

Combined - City - Highway Table Data

2009 Hummer H3 Gas Mileage
TrimEngineCity Mileage (Imp.)Highway Mileage (Imp.)Combined Mileage (Imp.)City Mileage (Metric)Highway Mileage (Metric)Combined Mileage (Metric)Drivetrain / TransmissionHP / Torque
3.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 5 Spd Manual239 HP / 241 ft/lbs
Adventure3.7L DOHC 5-Cylinder MFI13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 5 Spd Manual239 HP / 241 ft/lbs
Alpha5.3L V8 MFI13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 4 Spd Auto, Electronically Controlled300 HP / 320 ft/lbs
Alpha H3X5.3L V8 MFI13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 4 Spd Auto, Electronically Controlled300 HP / 320 ft/lbs
H3X3.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 4 Spd Auto, Electronically Controlled239 HP / 241 ft/lbs
Luxury3.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 4 Spd Auto, Electronically Controlled239 HP / 241 ft/lbs
Crew Cab3.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 5 Spd Manual239 HP / 241 ft/lbs
Crew Cab Adventure3.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 5 Spd Manual239 HP / 241 ft/lbs
Crew Cab Luxury3.7L DOHC 5-Cylinder MFI14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 4 Spd Auto, Electronically Controlled239 HP / 241 ft/lbs
Crew Cab Alpha5.3L V8 MFI13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 4 Spd Auto, Electronically Controlled300 HP / 320 ft/lbs

2008 Hummer H3 Gas Mileage

Combined Mileage

Depending on trim level, the 2008 Hummer H3 gas mileage is from 14.5 miles per gallon (16.5 liters per 100 km) to 16 miles per gallon (15.0 liters per 100 km) combined.

City Mileage

In the city, the 2008 Hummer H3 gas mileage is from 13 miles per gallon (18.0 liters per 100 km) to 14 miles per gallon (17.0 liters per 100 km), depending on the trim.

Highway Mileage

On the highway, the 2008 Hummer H3 gas mileage is from 16 miles per gallon (15.0 liters per 100 km) to 18 miles per gallon (13.0 liters per 100 km), depending on the trim.

Combined - City - Highway Table Data

2008 Hummer H3 Gas Mileage
TrimEngineCity Mileage (Imp.)Highway Mileage (Imp.)Combined Mileage (Imp.)City Mileage (Metric)Highway Mileage (Metric)Combined Mileage (Metric)Drivetrain / TransmissionHP / Torque
3.7L DOHC 5-Cylinder MFI (242 HP [180.4 KW] @ 5600 RPM 242Lb-FT OF Torque [326.7 N-M] @ 4600 RPM)13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 5 Spd Manual With Overdrive242 HP / 242 ft/lbs
Adventure3.7L DOHC 5-Cylinder MFI (242 HP [180.4 KW] @ 5600 RPM 242Lb-FT OF Torque [326.7 N-M] @ 4600 RPM)14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 5 Spd Manual With Overdrive242 HP / 242 ft/lbs
Alpha5.3L V8 MFI (300 HP [223.7 KW] @ 5200 RPM 320Lb-FT OF Torque [432 NM] @ 4000 RPM13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 4 Spd Auto, Electronically Controlled With Overdrive300 HP / 320 ft/lbs
Alpha H3X5.3L V8 MFI (300 HP [223.7 KW] @ 5200 RPM 320Lb-FT OF Torque [432 NM] @ 4000 RPM13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 4 Spd Auto, Electronically Controlled With Overdrive300 HP / 320 ft/lbs
H3X3.7L DOHC 5-Cylinder MFI (242 HP [180.4 KW] @ 5600 RPM 242Lb-FT OF Torque [326.7 N-M] @ 4600 RPM)14 mpg18 mpg16 mpg17.0 L/100 km13.0 L/100 km15.0 L/100 km4WD / 5 Spd Manual With Overdrive242 HP / 242 ft/lbs
Luxury3.7L DOHC 5-Cylinder MFI (242 HP [180.4 KW] @ 5600 RPM 242Lb-FT OF Torque [326.7 N-M] @ 4600 RPM)13 mpg16 mpg14.5 mpg18.0 L/100 km15.0 L/100 km16.5 L/100 km4WD / 5 Spd Manual With Overdrive242 HP / 242 ft/lbs

Side-By-Side Comparisons

Hummer H3 Gas Mileage By Year

2008 vs. 2009

2010 vs. 2007

AutoPadre

2007 Hummer H3 Gas Mileage

Combined Mileage

The 2007 Hummer H3 gas mileage is 17 miles per gallon (14.0 liters per 100 km) combined.

City Mileage

In the city, the 2007 Hummer H3 gas mileage is 15 miles per gallon (16.0 liters per 100 km).

Highway Mileage

On the highway, the 2007 Hummer H3 gas mileage is 19 miles per gallon (12.0 liters per 100 km).

Combined - City - Highway Table Data

2007 Hummer H3 Gas Mileage
TrimEngineCity Mileage (Imp.)Highway Mileage (Imp.)Combined Mileage (Imp.)City Mileage (Metric)Highway Mileage (Metric)Combined Mileage (Metric)Drivetrain / TransmissionHP / Torque
3.7L DOHC 5-Cylinder MFI15 mpg19 mpg17 mpg16.0 L/100 km12.0 L/100 km14.0 L/100 km4WD / 5 Spd Manual With Overdrive,242 HP / 242 ft/lbs
Adventure3.7L DOHC 5-Cylinder MFI15 mpg19 mpg17 mpg16.0 L/100 km12.0 L/100 km14.0 L/100 km4WD / 5 Spd Manual With Overdrive,242 HP / 242 ft/lbs
H3X3.7L DOHC 5-Cylinder MFI15 mpg19 mpg17 mpg16.0 L/100 km12.0 L/100 km14.0 L/100 km4WD / 5 Spd Manual With Overdrive,242 HP / 242 ft/lbs
Luxury3.7L DOHC 5-Cylinder MFI15 mpg19 mpg17 mpg16.0 L/100 km12.0 L/100 km14.0 L/100 km4WD / 5 Spd Manual With Overdrive,242 HP / 242 ft/lbs

2006 Hummer H3 Gas Mileage

Combined Mileage

The 2006 Hummer H3 gas mileage is 17.5 miles per gallon (13.5 liters per 100 km) combined.

City Mileage

In the city, the 2006 Hummer H3 gas mileage is 16 miles per gallon (15.0 liters per 100 km).

Highway Mileage

On the highway, the 2006 Hummer H3 gas mileage is 19 miles per gallon (12.0 liters per 100 km).

Combined - City - Highway Table Data

2006 Hummer H3 Gas Mileage
TrimEngineCity Mileage (Imp.)Highway Mileage (Imp.)Combined Mileage (Imp.)City Mileage (Metric)Highway Mileage (Metric)Combined Mileage (Metric)Drivetrain / TransmissionHP / Torque
3.5L DOHC 5-Cylinder MFI (220 HP [164.1 KW] @ 5600 RPM 225Lb.-FT. [303.7 N-M} @ 2800 RPM)16 mpg19 mpg17.5 mpg15.0 L/100 km12.0 L/100 km13.5 L/100 km4WD / 5 Spd Manual With Overdrive220 HP / 225 ft/lbs
Adventure3.5L DOHC 5-Cylinder MFI (220 HP [164.1 KW] @ 5600 RPM 225Lb.-FT. [303.7 N-M} @ 2800 RPM)16 mpg19 mpg17.5 mpg15.0 L/100 km12.0 L/100 km13.5 L/100 km4WD / 5 Spd Manual With Overdrive220 HP / 225 ft/lbs
Luxury3.5L DOHC 5-Cylinder MFI (220 HP [164.1 KW] @ 5600 RPM 225Lb.-FT. [303.7 N-M} @ 2800 RPM)16 mpg19 mpg17.5 mpg15.0 L/100 km12.0 L/100 km13.5 L/100 km4WD / 5 Spd Manual With Overdrive220 HP / 225 ft/lbs

Hummer H3 Other Specs

Maintenance Data

Battery Size

Wiper Size

Handling Data

Steering Wheel Size

Tire Size

Internal Dimensions

Cargo Space

Headroom

Legroom

Seating Capacity

Financial Data

Depreciation

External Dimensions

Ground Clearance

L x W x H

Weight

Fuel Efficiency

Gas Tank Size

Power and Hauling

Horsepower

Payload

Towing Capacity

Learn from AutoPadre himself!

Want to maximize the value of your vehicle? All while making it more enjoyable to drive in the meantime?

Learn how from AutoPadre in our car care guide!

Includes 5 easy tips to potentially earn $1000's more when you sell or trade-in your vehicle!

Cartoon depiction of AutoPadre

Best Fuel Mileages

1) Toyota Prius

2) Hyundai Ioniq

3) Honda Civic

4) Toyota Corolla

5) Kia Niro

6) Volkswagen Jetta

7) Honda Accord

8) Hyundai Kona

9) Toyota Camry

10) Ford Fusion

11) Honda Accord

About AutoPadre.com

AutoPadre.com is a website that provides our users with real world data to help them make educated car buying decisions.

AutoPadre.com's main aim is to be helpful by providing vehicle specifications and data in an easy to digest manner.

Cartoon depiction of AutoPadre