The Hummer H3 gas mileage is 14.5 to 17.5 miles per gallon as specified in our data below, organized by trim, option package, and model year.
For example, the 2010 Hummer H3 Alpha trim model has a combined gas mileage of 14.5 miles per gallon, while the 2006 Hummer H3 Luxury has a combined gas mileage of 17.5 miles per gallon.
In the city, the H3 gas mileage is 13 to 16 miles per gallon depending on the trim and model year.
On the highway, the H3 gas mileage is 16 to 19 miles per gallon depending on the trim and model year.
Note: The gas mileage shown for hybrid vehicles is the miles per gallon equivalent.
Check out the Gas Mileage specifications for other makes and models.
2010 Hummer H3 Gas Mileage
Depending on trim level, the 2010 Hummer H3 gas mileage is from 14.5 to 16 miles per gallon combined.
In the city, the 2010 H3 gas mileage is from 13 to 14 miles per gallon, depending on the trim.
On the highway, the 2010 H3 gas mileage is from 16 to 18 miles per gallon, depending on the trim.
2010 Hummer H3 Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Luxury SUV |
3.7L | DOHC 5-CYLINDER MFI | 4 Spd Auto, Electronically Controlled | 4WD |
14 city mpg | 18 hwy mpg | 16 combined mpg |
| Alpha SUV |
5.3L | V8 | E85 SFI FLEXFUEL CAPABLE | 4 Spd Auto, Electronically Controlled | 4WD |
13 city mpg | 16 hwy mpg | 14.5 combined mpg |
| Adventure SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual | 4WD |
14 city mpg | 18 hwy mpg | 16 combined mpg |
| SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual | 4WD |
14 city mpg | 18 hwy mpg | 16 combined mpg |
2010 Hummer H3 Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Luxury SUV |
3.7L | DOHC 5-CYLINDER MFI | 4 Spd Auto, Electronically Controlled | 4WD |
17.0 city L/100 km | 13.0 hwy L/100 km | 15.0 combined L/100 km |
| Alpha SUV |
5.3L | V8 | E85 SFI FLEXFUEL CAPABLE | 4 Spd Auto, Electronically Controlled | 4WD |
18.0 city L/100 km | 15.0 hwy L/100 km | 16.0 combined L/100 km |
| Adventure SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual | 4WD |
17.0 city L/100 km | 13.0 hwy L/100 km | 15.0 combined L/100 km |
| SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual | 4WD |
17.0 city L/100 km | 13.0 hwy L/100 km | 15.0 combined L/100 km |
2009 Hummer H3 Gas Mileage
Depending on trim level, the 2009 Hummer H3 gas mileage is from 14.5 to 16 miles per gallon combined.
In the city, the 2009 H3 gas mileage is from 13 to 14 miles per gallon, depending on the trim.
On the highway, the 2009 H3 gas mileage is from 16 to 18 miles per gallon, depending on the trim.
2009 Hummer H3 Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Crew Cab Alpha |
5.3L | V8 | MFI | 4 Spd Auto, Electronically Controlled | 4WD |
13 city mpg | 16 hwy mpg | 14.5 combined mpg |
| Crew Cab Luxury |
3.7L | DOHC 5-CYLINDER MFI | 4 Spd Auto, Electronically Controlled | 4WD |
14 city mpg | 18 hwy mpg | 16 combined mpg |
| Crew Cab Adventure |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual | 4WD |
14 city mpg | 18 hwy mpg | 16 combined mpg |
| Crew Cab |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual | 4WD |
14 city mpg | 18 hwy mpg | 16 combined mpg |
| Luxury SUV |
3.7L | DOHC 5-CYLINDER MFI | 4 Spd Auto, Electronically Controlled | 4WD |
14 city mpg | 18 hwy mpg | 16 combined mpg |
| H3X SUV |
3.7L | DOHC 5-CYLINDER MFI | 4 Spd Auto, Electronically Controlled | 4WD |
14 city mpg | 18 hwy mpg | 16 combined mpg |
2009 Hummer H3 Gas Mileage (Imperial) Continued
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Alpha H3X SUV |
5.3L | V8 | MFI | 4 Spd Auto, Electronically Controlled | 4WD |
13 city mpg | 16 hwy mpg | 14.5 combined mpg |
| Alpha SUV |
5.3L | V8 | MFI | 4 Spd Auto, Electronically Controlled | 4WD |
13 city mpg | 16 hwy mpg | 14.5 combined mpg |
| Adventure SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual | 4WD |
13 city mpg | 16 hwy mpg | 14.5 combined mpg |
| SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual | 4WD |
14 city mpg | 18 hwy mpg | 16 combined mpg |
2009 Hummer H3 Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Crew Cab Alpha |
5.3L | V8 | MFI | 4 Spd Auto, Electronically Controlled | 4WD |
18.0 city L/100 km | 15.0 hwy L/100 km | 16.0 combined L/100 km |
| Crew Cab Luxury |
3.7L | DOHC 5-CYLINDER MFI | 4 Spd Auto, Electronically Controlled | 4WD |
17.0 city L/100 km | 13.0 hwy L/100 km | 15.0 combined L/100 km |
| Crew Cab Adventure |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual | 4WD |
17.0 city L/100 km | 13.0 hwy L/100 km | 15.0 combined L/100 km |
| Crew Cab |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual | 4WD |
17.0 city L/100 km | 13.0 hwy L/100 km | 15.0 combined L/100 km |
| Luxury SUV |
3.7L | DOHC 5-CYLINDER MFI | 4 Spd Auto, Electronically Controlled | 4WD |
17.0 city L/100 km | 13.0 hwy L/100 km | 15.0 combined L/100 km |
| H3X SUV |
3.7L | DOHC 5-CYLINDER MFI | 4 Spd Auto, Electronically Controlled | 4WD |
17.0 city L/100 km | 13.0 hwy L/100 km | 15.0 combined L/100 km |
2009 Hummer H3 Gas Mileage (Metric) Continued
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Alpha H3X SUV |
5.3L | V8 | MFI | 4 Spd Auto, Electronically Controlled | 4WD |
18.0 city L/100 km | 15.0 hwy L/100 km | 16.0 combined L/100 km |
| Alpha SUV |
5.3L | V8 | MFI | 4 Spd Auto, Electronically Controlled | 4WD |
18.0 city L/100 km | 15.0 hwy L/100 km | 16.0 combined L/100 km |
| Adventure SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual | 4WD |
18.0 city L/100 km | 15.0 hwy L/100 km | 16.0 combined L/100 km |
| SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual | 4WD |
17.0 city L/100 km | 13.0 hwy L/100 km | 15.0 combined L/100 km |
2008 Hummer H3 Gas Mileage
Depending on trim level, the 2008 Hummer H3 gas mileage is from 14.5 to 16 miles per gallon combined.
In the city, the 2008 H3 gas mileage is from 13 to 14 miles per gallon, depending on the trim.
On the highway, the 2008 H3 gas mileage is from 16 to 18 miles per gallon, depending on the trim.
2008 Hummer H3 Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Luxury SUV |
3.7L | DOHC 5-CYLINDER MFI (242 HP [180.4 KW] @ 5600 RPM 242LB-FT OF TORQUE [326.7 N-M] @ 4600 RPM) | 5 Spd Manual With OD | 4WD |
13 city mpg | 16 hwy mpg | 14.5 combined mpg |
| H3X SUV |
3.7L | DOHC 5-CYLINDER MFI (242 HP [180.4 KW] @ 5600 RPM 242LB-FT OF TORQUE [326.7 N-M] @ 4600 RPM) | 5 Spd Manual With OD | 4WD |
14 city mpg | 18 hwy mpg | 16 combined mpg |
| Alpha H3X SUV |
5.3L | V8 | MFI (300 HP [223.7 KW] @ 5200 RPM 320LB-FT OF TORQUE [432 NM] @ 4000 RPM | 4 Spd Auto, Electronically Controlled With OD | 4WD |
13 city mpg | 16 hwy mpg | 14.5 combined mpg |
| Alpha SUV |
5.3L | V8 | MFI (300 HP [223.7 KW] @ 5200 RPM 320LB-FT OF TORQUE [432 NM] @ 4000 RPM | 4 Spd Auto, Electronically Controlled With OD | 4WD |
13 city mpg | 16 hwy mpg | 14.5 combined mpg |
| Adventure SUV |
3.7L | DOHC 5-CYLINDER MFI (242 HP [180.4 KW] @ 5600 RPM 242LB-FT OF TORQUE [326.7 N-M] @ 4600 RPM) | 5 Spd Manual With OD | 4WD |
14 city mpg | 18 hwy mpg | 16 combined mpg |
| SUV |
3.7L | DOHC 5-CYLINDER MFI (242 HP [180.4 KW] @ 5600 RPM 242LB-FT OF TORQUE [326.7 N-M] @ 4600 RPM) | 5 Spd Manual With OD | 4WD |
13 city mpg | 16 hwy mpg | 14.5 combined mpg |
2008 Hummer H3 Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Luxury SUV |
3.7L | DOHC 5-CYLINDER MFI (242 HP [180.4 KW] @ 5600 RPM 242LB-FT OF TORQUE [326.7 N-M] @ 4600 RPM) | 5 Spd Manual With OD | 4WD |
18.0 city L/100 km | 15.0 hwy L/100 km | 16.0 combined L/100 km |
| H3X SUV |
3.7L | DOHC 5-CYLINDER MFI (242 HP [180.4 KW] @ 5600 RPM 242LB-FT OF TORQUE [326.7 N-M] @ 4600 RPM) | 5 Spd Manual With OD | 4WD |
17.0 city L/100 km | 13.0 hwy L/100 km | 15.0 combined L/100 km |
| Alpha H3X SUV |
5.3L | V8 | MFI (300 HP [223.7 KW] @ 5200 RPM 320LB-FT OF TORQUE [432 NM] @ 4000 RPM | 4 Spd Auto, Electronically Controlled With OD | 4WD |
18.0 city L/100 km | 15.0 hwy L/100 km | 16.0 combined L/100 km |
| Alpha SUV |
5.3L | V8 | MFI (300 HP [223.7 KW] @ 5200 RPM 320LB-FT OF TORQUE [432 NM] @ 4000 RPM | 4 Spd Auto, Electronically Controlled With OD | 4WD |
18.0 city L/100 km | 15.0 hwy L/100 km | 16.0 combined L/100 km |
| Adventure SUV |
3.7L | DOHC 5-CYLINDER MFI (242 HP [180.4 KW] @ 5600 RPM 242LB-FT OF TORQUE [326.7 N-M] @ 4600 RPM) | 5 Spd Manual With OD | 4WD |
17.0 city L/100 km | 13.0 hwy L/100 km | 15.0 combined L/100 km |
| SUV |
3.7L | DOHC 5-CYLINDER MFI (242 HP [180.4 KW] @ 5600 RPM 242LB-FT OF TORQUE [326.7 N-M] @ 4600 RPM) | 5 Spd Manual With OD | 4WD |
18.0 city L/100 km | 15.0 hwy L/100 km | 16.0 combined L/100 km |
2007 Hummer H3 Gas Mileage
The 2007 Hummer H3 gas mileage is 17 miles per gallon combined.
In the city, the 2007 H3 gas mileage is 15 miles per gallon.
On the highway, the 2007 H3 gas mileage is 19 miles per gallon.
2007 Hummer H3 Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Luxury SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual With OD, | 4WD |
15 city mpg | 19 hwy mpg | 17 combined mpg |
| H3X SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual With OD, | 4WD |
15 city mpg | 19 hwy mpg | 17 combined mpg |
| Adventure SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual With OD, | 4WD |
15 city mpg | 19 hwy mpg | 17 combined mpg |
| SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual With OD, | 4WD |
15 city mpg | 19 hwy mpg | 17 combined mpg |
2007 Hummer H3 Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Luxury SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual With OD, | 4WD |
16.0 city L/100 km | 12.0 hwy L/100 km | 14.0 combined L/100 km |
| H3X SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual With OD, | 4WD |
16.0 city L/100 km | 12.0 hwy L/100 km | 14.0 combined L/100 km |
| Adventure SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual With OD, | 4WD |
16.0 city L/100 km | 12.0 hwy L/100 km | 14.0 combined L/100 km |
| SUV |
3.7L | DOHC 5-CYLINDER MFI | 5 Spd Manual With OD, | 4WD |
16.0 city L/100 km | 12.0 hwy L/100 km | 14.0 combined L/100 km |
2006 Hummer H3 Gas Mileage
The 2006 Hummer H3 gas mileage is 17.5 miles per gallon combined.
In the city, the 2006 H3 gas mileage is 16 miles per gallon.
On the highway, the 2006 H3 gas mileage is 19 miles per gallon.
2006 Hummer H3 Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Luxury SUV |
3.5L | DOHC 5-CYLINDER MFI (220 HP [164.1 KW] @ 5600 RPM 225LB.-FT. [303.7 N-M} @ 2800 RPM) | 5 Spd Manual With OD | 4WD |
16 city mpg | 19 hwy mpg | 17.5 combined mpg |
| Adventure SUV |
3.5L | DOHC 5-CYLINDER MFI (220 HP [164.1 KW] @ 5600 RPM 225LB.-FT. [303.7 N-M} @ 2800 RPM) | 5 Spd Manual With OD | 4WD |
16 city mpg | 19 hwy mpg | 17.5 combined mpg |
| SUV |
3.5L | DOHC 5-CYLINDER MFI (220 HP [164.1 KW] @ 5600 RPM 225LB.-FT. [303.7 N-M} @ 2800 RPM) | 5 Spd Manual With OD | 4WD |
16 city mpg | 19 hwy mpg | 17.5 combined mpg |
2006 Hummer H3 Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Luxury SUV |
3.5L | DOHC 5-CYLINDER MFI (220 HP [164.1 KW] @ 5600 RPM 225LB.-FT. [303.7 N-M} @ 2800 RPM) | 5 Spd Manual With OD | 4WD |
15.0 city L/100 km | 12.0 hwy L/100 km | 13.0 combined L/100 km |
| Adventure SUV |
3.5L | DOHC 5-CYLINDER MFI (220 HP [164.1 KW] @ 5600 RPM 225LB.-FT. [303.7 N-M} @ 2800 RPM) | 5 Spd Manual With OD | 4WD |
15.0 city L/100 km | 12.0 hwy L/100 km | 13.0 combined L/100 km |
| SUV |
3.5L | DOHC 5-CYLINDER MFI (220 HP [164.1 KW] @ 5600 RPM 225LB.-FT. [303.7 N-M} @ 2800 RPM) | 5 Spd Manual With OD | 4WD |
15.0 city L/100 km | 12.0 hwy L/100 km | 13.0 combined L/100 km |
Hummer H3 Gas Mileage Data Brought To You By AutoPadre
Hummer H3 Gas Mileage Comparisons By Year