2009 Chevrolet Impala vs. 2007 Hummer H2
To start off, 2009 Chevrolet Impala is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Hummer H2. In addition, the cost of maintenance, including insurance, on 2007 Hummer H2 would be higher. At 5,999 cc (8 cylinders), 2007 Hummer H2 is equipped with a bigger engine. In terms of performance, 2007 Hummer H2 (325 HP @ 5200 RPM) has 114 more horse power than 2009 Chevrolet Impala. (211 HP @ 5800 RPM) In normal driving conditions, 2007 Hummer H2 should accelerate faster than 2009 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2007 Hummer H2 weights approximately 1828 kg more than 2009 Chevrolet Impala. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Chevrolet Impala. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Hummer H2 (495 Nm @ 4000 RPM) has 204 more torque (in Nm) than 2009 Chevrolet Impala. (291 Nm @ 4000 RPM). This means 2007 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2009 Chevrolet Impala.
Compare all specifications:
| 2009 Chevrolet Impala | 2007 Hummer H2 | |
| Make | Chevrolet | Hummer |
| Model | Impala | H2 |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3500 cc | 5999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 211 HP | 325 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 291 Nm | 495 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1075 kg | 2903 kg |
| Vehicle Length | 5100 mm | 5180 mm |
| Vehicle Width | 1860 mm | 2070 mm |
| Vehicle Height | 1500 mm | 2020 mm |
| Wheelbase Size | 2810 mm | 3120 mm |
| Fuel Consumption Overall | 10.2 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 64 L | 121 L |
