2005 GMC Sierra vs. 2005 Opel Signum
To start off, both 2005 GMC Sierra and 2005 Opel Signum were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (300 HP) has 125 more horse power than 2005 Opel Signum. (175 HP). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1118 kg more than 2005 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (488 Nm) has 118 more torque (in Nm) than 2005 Opel Signum. (370 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 2005 GMC Sierra | 2005 Opel Signum | |
| Make | GMC | Opel |
| Model | Sierra | Signum |
| Year Released | 2005 | 2005 |
| Body Type | Pickup | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 175 HP |
| Torque | 488 Nm | 370 Nm |
| Engine Compression Ratio | 9.4:1 | 18.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2788 kg | 1670 kg |
| Vehicle Length | 6270 mm | 4640 mm |
| Vehicle Width | 2450 mm | 1800 mm |
| Vehicle Height | 1940 mm | 1470 mm |
| Wheelbase Size | 4010 mm | 2620 mm |
| Fuel Tank Capacity | 129 L | 60 L |
