2007 Hummer H2 vs. 2005 Opel Astra
To start off, 2007 Hummer H2 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra 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 (326 HP @ 5200 RPM) has 203 more horse power than 2005 Opel Astra. (123 HP @ 5800 RPM). In normal driving conditions, 2007 Hummer H2 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Hummer H2 weights approximately 1720 kg more than 2005 Opel Astra. 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 2005 Opel Astra. 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 315 more torque (in Nm) than 2005 Opel Astra. (180 Nm @ 4400 RPM). This means 2007 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2007 Hummer H2 has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Hummer H2 | 2005 Opel Astra | |
| Make | Hummer | Opel |
| Model | H2 | Astra |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 1997 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 326 HP | 123 HP |
| Engine RPM | 5200 RPM | 5800 RPM |
| Torque | 495 Nm | 180 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 101.6 mm | 86 mm |
| Engine Stroke Size | 91.9 mm | 86 mm |
| Engine Compression Ratio | 9.4:1 | 9.6:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2903 kg | 1183 kg |
| Wheelbase Size | 3130 mm | 2500 mm |
| Fuel Consumption Overall | 13.8 L/100km | 11.7 L/100km |
| Fuel Tank Capacity | 121 L | 52 L |
