2003 GMC Sierra vs. 2006 Opel Vectra
To start off, 2006 Opel Vectra is newer by 3 year(s). Which means there will be less support and parts availability for 2003 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2003 GMC Sierra would be higher. At 4,816 cc (8 cylinders), 2003 GMC Sierra is equipped with a bigger engine. In terms of performance, 2003 GMC Sierra (275 HP) has 157 more horse power than 2006 Opel Vectra. (118 HP). In normal driving conditions, 2003 GMC Sierra should accelerate faster than 2006 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Sierra weights approximately 340 kg more than 2006 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 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 2003 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2003 GMC Sierra (386 Nm) has 105 more torque (in Nm) than 2006 Opel Vectra. (281 Nm). This means 2003 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Vectra.
Compare all specifications:
| 2003 GMC Sierra | 2006 Opel Vectra | |
| Make | GMC | Opel |
| Model | Sierra | Vectra |
| Year Released | 2003 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4816 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 275 HP | 118 HP |
| Torque | 386 Nm | 281 Nm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 3 seats | 5 seats |
| Vehicle Weight | 1945 kg | 1605 kg |
| Vehicle Length | 5650 mm | 4830 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1810 mm | 1510 mm |
| Wheelbase Size | 3380 mm | 2840 mm |
