2006 GMC Envoy vs. 2003 Opel Vectra
To start off, 2006 GMC Envoy is newer by 3 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), 2006 GMC Envoy is equipped with a bigger engine. In terms of performance, 2006 GMC Envoy (300 HP @ 5200 RPM) has 127 more horse power than 2003 Opel Vectra. (173 HP @ 5500 RPM). In normal driving conditions, 2006 GMC Envoy should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 1074 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 2006 GMC Envoy 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, 2006 GMC Envoy 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, 2006 GMC Envoy (447 Nm @ 4000 RPM) has 182 more torque (in Nm) than 2003 Opel Vectra. (265 Nm @ 2500 RPM). This means 2006 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2006 GMC Envoy | 2003 Opel Vectra | |
| Make | GMC | Opel |
| Model | Envoy | Vectra |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 173 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 447 Nm | 265 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 96.1 mm | 86 mm |
| Engine Stroke Size | 92 mm | 86 mm |
| Engine Compression Ratio | 9.5:1 | 9.5:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2659 kg | 1585 kg |
| Vehicle Length | 4870 mm | 4830 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1830 mm | 1510 mm |
| Wheelbase Size | 2880 mm | 2710 mm |
| Fuel Consumption Highway | 11.2 L/100km | 6.9 L/100km |
| Fuel Consumption City | 15.7 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 83 L | 60 L |
