2006 GMC Sierra vs. 2005 Opel Vectra
To start off, 2006 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (301 HP @ 4400 RPM) has 131 more horse power than 2005 Opel Vectra. (170 HP @ 5500 RPM). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 965 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 GMC Sierra (488 Nm @ 4000 RPM) has 223 more torque (in Nm) than 2005 Opel Vectra. (265 Nm @ 2500 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2006 GMC Sierra | 2005 Opel Vectra | |
| Make | GMC | Opel |
| Model | Sierra | Vectra |
| Year Released | 2006 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 1997 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 301 HP | 170 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Torque | 488 Nm | 265 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Drive Type | 4WD | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2435 kg | 1470 kg |
| Vehicle Length | 6570 mm | 4600 mm |
| Vehicle Width | 2030 mm | 1800 mm |
| Vehicle Height | 1960 mm | 1470 mm |
| Wheelbase Size | 4250 mm | 2720 mm |
| Fuel Consumption Overall | 13.8 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 129 L | 61 L |
