2004 Hummer H1 vs. 1999 Opel Signum
To start off, 2004 Hummer H1 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 6,504 cc (8 cylinders), 2004 Hummer H1 is equipped with a bigger engine. In terms of performance, 2004 Hummer H1 (205 HP) has 82 more horse power than 1999 Opel Signum. (123 HP). In normal driving conditions, 2004 Hummer H1 should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Hummer H1 weights approximately 1662 kg more than 1999 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Hummer H1 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2004 Hummer H1 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, 2004 Hummer H1 (597 Nm) has 326 more torque (in Nm) than 1999 Opel Signum. (271 Nm). This means 2004 Hummer H1 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 2004 Hummer H1 | 1999 Opel Signum | |
| Make | Hummer | Opel |
| Model | H1 | Signum |
| Year Released | 2004 | 1999 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 6504 cc | 2171 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 123 HP |
| Torque | 597 Nm | 271 Nm |
| Drive Type | 4WD | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 3272 kg | 1610 kg |
| Vehicle Length | 4690 mm | 4640 mm |
| Vehicle Width | 2200 mm | 1800 mm |
| Vehicle Height | 1960 mm | 1470 mm |
| Wheelbase Size | 3310 mm | 2840 mm |
| Fuel Tank Capacity | 159 L | 61 L |
