2008 Hummer H2 vs. 2004 Opel Signum
To start off, 2008 Hummer H2 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 6,199 cc (8 cylinders), 2008 Hummer H2 is equipped with a bigger engine. In terms of performance, 2008 Hummer H2 (393 HP @ 5700 RPM) has 220 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 2008 Hummer H2 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Hummer H2 weights approximately 672 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Hummer H2 (563 Nm @ 4300 RPM) has 298 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2008 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2008 Hummer H2 has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Hummer H2 | 2004 Opel Signum | |
| Make | Hummer | Opel |
| Model | H2 | Signum |
| Year Released | 2008 | 2004 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 6199 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 393 HP | 173 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 563 Nm | 265 Nm |
| Torque RPM | 4300 RPM | 2500 RPM |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2232 kg | 1560 kg |
| Vehicle Length | 4830 mm | 4640 mm |
| Vehicle Width | 2070 mm | 1800 mm |
| Vehicle Height | 2020 mm | 1470 mm |
| Wheelbase Size | 3130 mm | 2840 mm |
| Fuel Consumption Overall | 15.7 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 121 L | 60 L |
