2007 GMC Sierra vs. 2002 Opel Signum
To start off, 2007 GMC Sierra is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Opel Signum. In addition, the cost of maintenance, including insurance, on 2002 Opel Signum would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (300 HP @ 4400 RPM) has 180 more horse power than 2002 Opel Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2002 Opel Signum.
Let's talk about torque, 2007 GMC Sierra (488 Nm @ 4000 RPM) has 323 more torque (in Nm) than 2002 Opel Signum. (165 Nm @ 3800 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Signum. 2007 GMC Sierra has automatic transmission and 2002 Opel Signum has manual transmission. 2002 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 GMC Sierra | 2002 Opel Signum | |
| Make | GMC | Opel |
| Model | Sierra | Signum |
| Year Released | 2007 | 2002 |
| Body Type | Pickup | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 120 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 488 Nm | 165 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 102 mm | 80.5 mm |
| Engine Stroke Size | 92 mm | 88.2 mm |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Length | 6330 mm | 4640 mm |
| Vehicle Width | 2450 mm | 1800 mm |
| Vehicle Height | 1940 mm | 1470 mm |
| Wheelbase Size | 4010 mm | 2500 mm |
| Fuel Tank Capacity | 129 L | 60 L |
