2005 GMC Sierra vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 4,802 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (285 HP) has 136 more horse power than 2007 Opel Vectra. (149 HP). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 625 kg more than 2007 Opel Vectra. 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, 2007 Opel Vectra, 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 (400 Nm) has 85 more torque (in Nm) than 2007 Opel Vectra. (315 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra.
Compare all specifications:
| 2005 GMC Sierra | 2007 Opel Vectra | |
| Make | GMC | Opel |
| Model | Sierra | Vectra |
| Year Released | 2005 | 2007 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4802 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 285 HP | 149 HP |
| Torque | 400 Nm | 315 Nm |
| Engine Bore Size | 96 mm | 82 mm |
| Engine Stroke Size | 83 mm | 90.4 mm |
| Engine Compression Ratio | 9.5:1 | 18.0:1 |
| Drive Type | Rear | Front |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2160 kg | 1535 kg |
| Vehicle Length | 5710 mm | 4600 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1810 mm | 1470 mm |
| Wheelbase Size | 3380 mm | 2710 mm |
| Fuel Consumption Overall | 13.1 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 129 L | 61 L |
