2009 Hummer H3 vs. 2007 Mercedes-Benz C
To start off, 2009 Hummer H3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz C would be higher. At 5,437 cc (8 cylinders), 2007 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz C (362 HP @ 5750 RPM) has 123 more horse power than 2009 Hummer H3. (239 HP @ 5800 RPM) In normal driving conditions, 2007 Mercedes-Benz C should accelerate faster than 2009 Hummer H3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 1155 kg more than 2007 Mercedes-Benz C.
Because 2009 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H3 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Mercedes-Benz C (510 Nm @ 4000 RPM) has 183 more torque (in Nm) than 2009 Hummer H3. (327 Nm @ 4600 RPM). This means 2007 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2009 Hummer H3.
Compare all specifications:
| 2009 Hummer H3 | 2007 Mercedes-Benz C | |
| Make | Hummer | Mercedes-Benz |
| Model | H3 | C |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3653 cc | 5437 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 239 HP | 362 HP |
| Engine RPM | 5800 RPM | 5750 RPM |
| Torque | 327 Nm | 510 Nm |
| Torque RPM | 4600 RPM | 4000 RPM |
| Engine Bore Size | 95.5 mm | 97 mm |
| Engine Stroke Size | 102 mm | 92 mm |
| Engine Compression Ratio | 9.9:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2850 kg | 1695 kg |
| Vehicle Length | 4770 mm | 4630 mm |
| Vehicle Width | 2170 mm | 1750 mm |
| Vehicle Height | 1870 mm | 1460 mm |
| Wheelbase Size | 2850 mm | 2720 mm |
| Fuel Consumption Overall | 14.7 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 87 L | 62 L |
