| 1 | 0 | 3 | 4 | 3 | 4 |
Hummer H3 Fuel Economy (L/100km)
| L/100km | Number of Vehicles |
| 12 liters per 100 kilometers | 1 vehicles |
| 13 liters per 100 kilometers | 0 vehicles |
| 14 liters per 100 kilometers | 4 vehicles |
| 15 liters per 100 kilometers | 1 vehicles |
| Model Year | Body/Powertrain | L/100km | |
| 2008 | 2008 4dr SUV 242-hp 3.7L I5 5-sp manual AWD w/low range | 12.1 | See all data |
| With the 178 kilowatts 3.7L I5 engine, 5-speed manual transmission, and all-wheel drive w/low range, the 2008 Hummer H3 has been averaging 12.1 L/100km (liters per 100 kilometers). The 2008 Hummer H3s in this analysis were driven mostly on the highway at an average speed of 55 kilometers per hour (about 50 percent of the kilometers driven). The rest of the kilometers were in the city (50 percent), in the suburbs (0 percent), and in heavy traffic (0 percent). In addition, the average 2008 Hummer H3 in this analysis was driven on hilly terrain with a light foot and the AC on only some of the time. |
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| 2008 | 2008 4dr SUV 242-hp 3.7L I5 4-sp automatic AWD w/low range | 14.24 | See all data |
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