2009 GMC Sierra vs. 2003 Opel Signum
To start off, 2009 GMC Sierra is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 5,967 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (327 HP @ 5100 RPM) has 212 more horse power than 2003 Opel Signum. (115 HP @ 3000 RPM). In normal driving conditions, 2009 GMC Sierra should accelerate faster than 2003 Opel Signum.
Because 2009 GMC Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 GMC Sierra (367 Nm @ 4100 RPM) has 87 more torque (in Nm) than 2003 Opel Signum. (280 Nm @ 1500 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2009 GMC Sierra | 2003 Opel Signum | |
| Make | GMC | Opel |
| Model | Sierra | Signum |
| Year Released | 2009 | 2003 |
| Body Type | Pickup | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 2172 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 327 HP | 115 HP |
| Engine RPM | 5100 RPM | 3000 RPM |
| Torque | 367 Nm | 280 Nm |
| Torque RPM | 4100 RPM | 1500 RPM |
| Fuel Type | Gasoline / Electric Hybrid | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 5850 mm | 4640 mm |
| Vehicle Height | 1910 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2840 mm |
