2004 GMC Sierra vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 1 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 5,359 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (295 HP) has 87 more horse power than 2005 Opel Vectra. (208 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 754 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 2004 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, 2004 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, 2004 GMC Sierra (447 Nm) has 147 more torque (in Nm) than 2005 Opel Vectra. (300 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2004 GMC Sierra | 2005 Opel Vectra | |
| Make | GMC | Opel |
| Model | Sierra | Vectra |
| Year Released | 2004 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 295 HP | 208 HP |
| Torque | 447 Nm | 300 Nm |
| Engine Bore Size | 96.1 mm | 87.5 mm |
| Engine Stroke Size | 92 mm | 88 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2379 kg | 1625 kg |
| Vehicle Length | 5850 mm | 4830 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1910 mm | 1510 mm |
| Wheelbase Size | 3650 mm | 2700 mm |
| Fuel Consumption Overall | 14.7 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 98 L | 60 L |
