2006 GMC Envoy vs. 2005 Opel Vectra
To start off, 2006 GMC Envoy is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 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 125 more horse power than 2005 Opel Vectra. (175 HP @ 4000 RPM). In normal driving conditions, 2006 GMC Envoy should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 822 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 2006 GMC Envoy 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, 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 77 more torque (in Nm) than 2005 Opel Vectra. (370 Nm @ 1900 RPM). This means 2006 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2006 GMC Envoy | 2005 Opel Vectra | |
| Make | GMC | Opel |
| Model | Envoy | Vectra |
| Year Released | 2006 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 175 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 447 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Engine Bore Size | 96 mm | 87.6 mm |
| Engine Stroke Size | 92 mm | 82 mm |
| Engine Compression Ratio | 9.4:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2435 kg | 1613 kg |
| Vehicle Length | 5280 mm | 4600 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1920 mm | 1470 mm |
| Wheelbase Size | 3280 mm | 2620 mm |
| Fuel Consumption Overall | 13.2 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 95 L | 61 L |
