2006 Hummer H2 vs. 2007 Toyota Sienna
To start off, 2007 Toyota Sienna is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Hummer H2. In addition, the cost of maintenance, including insurance, on 2006 Hummer H2 would be higher. At 5,967 cc (8 cylinders), 2006 Hummer H2 is equipped with a bigger engine. In terms of performance, 2006 Hummer H2 (325 HP @ 5200 RPM) has 59 more horse power than 2007 Toyota Sienna. (266 HP @ 6200 RPM). In normal driving conditions, 2006 Hummer H2 should accelerate faster than 2007 Toyota Sienna. With that said, vehicle weight also plays an important factor in acceleration. 2006 Hummer H2 weights approximately 908 kg more than 2007 Toyota Sienna. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Toyota Sienna. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Hummer H2 (495 Nm @ 4000 RPM) has 163 more torque (in Nm) than 2007 Toyota Sienna. (332 Nm @ 4700 RPM). This means 2006 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2007 Toyota Sienna.
Compare all specifications:
| 2006 Hummer H2 | 2007 Toyota Sienna | |
| Make | Hummer | Toyota |
| Model | H2 | Sienna |
| Year Released | 2006 | 2007 |
| Body Type | SUV | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 3458 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 325 HP | 266 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 495 Nm | 332 Nm |
| Torque RPM | 4000 RPM | 4700 RPM |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 8 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2903 kg | 1995 kg |
| Vehicle Length | 4830 mm | 5110 mm |
| Vehicle Width | 2070 mm | 1970 mm |
| Vehicle Height | 2000 mm | 1760 mm |
| Wheelbase Size | 3130 mm | 3040 mm |
