2003 Opel Signum vs. 2012 GMC Sierra
To start off, 2012 GMC Sierra is newer by 9 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 6,000 cc (8 cylinders), 2012 GMC Sierra is equipped with a bigger engine. In terms of performance, 2012 GMC Sierra (364 HP @ 5400 RPM) has 189 more horse power than 2003 Opel Signum. (175 HP @ 5500 RPM) In normal driving conditions, 2012 GMC Sierra should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2012 GMC Sierra weights approximately 1084 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2012 GMC Sierra 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, 2012 GMC Sierra (506 Nm @ 4400 RPM) has 136 more torque (in Nm) than 2003 Opel Signum. (370 Nm @ 1900 RPM). This means 2012 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
2003 Opel Signum | 2012 GMC Sierra | |
Make | Opel | GMC |
Model | Signum | Sierra |
Year Released | 2003 | 2012 |
Body Type | Hatchback | Pickup |
Engine Position | Front | Front |
Engine Size | 2958 cc | 6000 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 175 HP | 364 HP |
Engine RPM | 5500 RPM | 5400 RPM |
Torque | 370 Nm | 506 Nm |
Torque RPM | 1900 RPM | 4400 RPM |
Fuel Type | Diesel | Gasoline |
Drive Type | Front | 4WD |
Number of Seats | 5 seats | 3 seats |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 1575 kg | 2659 kg |
Vehicle Length | 4640 mm | 5710 mm |
Vehicle Width | 1800 mm | 2040 mm |
Vehicle Height | 1470 mm | 1940 mm |
Wheelbase Size | 2840 mm | 3380 mm |