2004 GMC Sierra vs. 2003 Opel Vectra
To start off, 2004 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra 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 143 more horse power than 2003 Opel Vectra. (152 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 795 kg more than 2003 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 2003 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 227 more torque (in Nm) than 2003 Opel Vectra. (220 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2004 GMC Sierra | 2003 Opel Vectra | |
| Make | GMC | Opel |
| Model | Sierra | Vectra |
| Year Released | 2004 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 295 HP | 152 HP |
| Torque | 447 Nm | 220 Nm |
| Engine Bore Size | 96.1 mm | 86 mm |
| Engine Stroke Size | 92 mm | 94.6 mm |
| Engine Compression Ratio | 9.5:1 | 12.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2379 kg | 1584 kg |
| Vehicle Length | 5850 mm | 4830 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1910 mm | 1510 mm |
| Wheelbase Size | 3650 mm | 2840 mm |
| Fuel Consumption Highway | 13.1 L/100km | 6.9 L/100km |
| Fuel Consumption City | 15.7 L/100km | 12.1 L/100km |
| Fuel Consumption Overall | 14.7 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 98 L | 60 L |
