2004 GMC Sierra vs. 1998 Opel Signum
To start off, 2004 GMC Sierra is newer by 6 year(s). Which means there will be less support and parts availability for 1998 Opel Signum. In addition, the cost of maintenance, including insurance, on 1998 Opel Signum would be higher. At 5,965 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 152 more horse power than 1998 Opel Signum. (148 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1998 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1427 kg more than 1998 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 GMC Sierra (488 Nm) has 303 more torque (in Nm) than 1998 Opel Signum. (185 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum.
Compare all specifications:
| 2004 GMC Sierra | 1998 Opel Signum | |
| Make | GMC | Opel |
| Model | Sierra | Signum |
| Year Released | 2004 | 1998 |
| Body Type | Pickup | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 300 HP | 148 HP |
| Torque | 488 Nm | 185 Nm |
| Engine Bore Size | 102.1 mm | 82 mm |
| Engine Stroke Size | 92 mm | 90.4 mm |
| Engine Compression Ratio | 9.4:1 | 18.0:1 |
| Transmission Type | Manual | Manual |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 2282 kg | 855 kg |
| Vehicle Length | 5650 mm | 4640 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1890 mm | 1470 mm |
| Wheelbase Size | 3380 mm | 2530 mm |
| Fuel Tank Capacity | 129 L | 60 L |
