2004 Opel Signum vs. 2010 Hummer H3
To start off, 2010 Hummer H3 is newer by 6 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 3,700 cc (5 cylinders), 2010 Hummer H3 is equipped with a bigger engine. In terms of performance, 2010 Hummer H3 (239 HP @ 5800 RPM) has 66 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2010 Hummer H3 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2010 Hummer H3 weights approximately 634 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 2010 Hummer H3 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, 2010 Hummer H3 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, 2010 Hummer H3 (327 Nm @ 4600 RPM) has 62 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2010 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 2010 Hummer H3 | |
| Make | Opel | Hummer |
| Model | Signum | H3 |
| Year Released | 2004 | 2010 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3700 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 239 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 265 Nm | 327 Nm |
| Torque RPM | 2500 RPM | 4600 RPM |
| Engine Bore Size | 86 mm | 95.5 mm |
| Engine Stroke Size | 86 mm | 102 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 2194 kg |
| Vehicle Length | 4640 mm | 5410 mm |
| Vehicle Width | 1800 mm | 1910 mm |
| Vehicle Height | 1470 mm | 1840 mm |
| Wheelbase Size | 2840 mm | 3420 mm |
| Fuel Consumption Overall | 9.4 L/100km | 14.9 L/100km |
| Fuel Tank Capacity | 60 L | 102 L |
