2009 Hummer H2 vs. 2006 Pontiac Grand Prix
To start off, 2009 Hummer H2 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 2006 Pontiac Grand Prix would be higher. At 6,162 cc (8 cylinders), 2009 Hummer H2 is equipped with a bigger engine. In terms of performance, 2009 Hummer H2 (388 HP @ 5700 RPM) has 128 more horse power than 2006 Pontiac Grand Prix. (260 HP @ 5200 RPM). In normal driving conditions, 2009 Hummer H2 should accelerate faster than 2006 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 1503 kg more than 2006 Pontiac Grand Prix. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Pontiac Grand Prix. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H2 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, 2009 Hummer H2 (415 Nm @ 4300 RPM) has 35 more torque (in Nm) than 2006 Pontiac Grand Prix. (380 Nm @ 3600 RPM). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2006 Pontiac Grand Prix.
Compare all specifications:
| 2009 Hummer H2 | 2006 Pontiac Grand Prix | |
| Make | Hummer | Pontiac |
| Model | H2 | Grand Prix |
| Year Released | 2009 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 6162 cc | 3786 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 388 HP | 260 HP |
| Engine RPM | 5700 RPM | 5200 RPM |
| Torque | 415 Nm | 380 Nm |
| Torque RPM | 4300 RPM | 3600 RPM |
| Engine Compression Ratio | 10.5:1 | 8.5:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2850 kg | 1347 kg |
| Vehicle Length | 4830 mm | 5040 mm |
| Vehicle Width | 2070 mm | 1830 mm |
| Vehicle Height | 2020 mm | 1430 mm |
| Wheelbase Size | 3130 mm | 2810 mm |
| Fuel Consumption Overall | 14.7 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 121 L | 64 L |
