2001 Opel Signum vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 12 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 6,000 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (355 HP @ 5700 RPM) has 147 more horse power than 2001 Opel Signum. (208 HP @ 6200 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 829 kg more than 2001 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 GMC Sierra is all wheel drive (AWD), it will have significant more traction and grip than 2001 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2013 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, 2013 GMC Sierra (565 Nm @ 4300 RPM) has 265 more torque (in Nm) than 2001 Opel Signum. (300 Nm @ 4000 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Signum.
Compare all specifications:
| 2001 Opel Signum | 2013 GMC Sierra | |
| Make | Opel | GMC |
| Model | Signum | Sierra |
| Year Released | 2001 | 2013 |
| Body Type | Hatchback | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3173 cc | 6000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 208 HP | 355 HP |
| Engine RPM | 6200 RPM | 5700 RPM |
| Torque | 300 Nm | 565 Nm |
| Torque RPM | 4000 RPM | 4300 RPM |
| Engine Bore Size | 87.5 mm | 103 mm |
| Engine Stroke Size | 88 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1610 kg | 2439 kg |
| Vehicle Length | 4640 mm | 5847 mm |
| Vehicle Width | 1800 mm | 2032 mm |
| Vehicle Height | 1470 mm | 1872 mm |
| Wheelbase Size | 2640 mm | 3645 mm |
| Fuel Tank Capacity | 52 L | 98 L |
