2004 GMC Sierra vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 3 year(s). Which means there will be less support and parts availability for 2004 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2004 GMC Sierra would be higher. At 5,964 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 180 more horse power than 2007 Opel Vectra. (120 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 962 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 2004 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 2004 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, 2004 GMC Sierra (488 Nm) has 321 more torque (in Nm) than 2007 Opel Vectra. (167 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra.
Compare all specifications:
| 2004 GMC Sierra | 2007 Opel Vectra | |
| Make | GMC | Opel |
| Model | Sierra | Vectra |
| Year Released | 2004 | 2007 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5964 cc | 1795 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 120 HP |
| Torque | 488 Nm | 167 Nm |
| Engine Bore Size | 102 mm | 80.5 mm |
| Engine Stroke Size | 92 mm | 88.2 mm |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2337 kg | 1375 kg |
| Vehicle Length | 5650 mm | 4600 mm |
| Vehicle Width | 2030 mm | 1800 mm |
| Vehicle Height | 1940 mm | 1470 mm |
| Wheelbase Size | 3380 mm | 2710 mm |
| Fuel Tank Capacity | 129 L | 61 L |
