2005 GMC Envoy vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 GMC Envoy. In addition, the cost of maintenance, including insurance, on 2005 GMC Envoy would be higher. At 4,163 cc (6 cylinders), 2005 GMC Envoy is equipped with a bigger engine. In terms of performance, 2005 GMC Envoy (275 HP) has 176 more horse power than 2007 Opel Astra. (99 HP). In normal driving conditions, 2005 GMC Envoy should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Envoy weights approximately 831 kg more than 2007 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Envoy (373 Nm) has 133 more torque (in Nm) than 2007 Opel Astra. (240 Nm). This means 2005 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2005 GMC Envoy | 2007 Opel Astra | |
| Make | GMC | Opel |
| Model | Envoy | Astra |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1685 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 275 HP | 99 HP |
| Torque | 373 Nm | 240 Nm |
| Engine Bore Size | 93 mm | 79 mm |
| Engine Stroke Size | 102 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 18.4:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2196 kg | 1365 kg |
| Vehicle Length | 5280 mm | 4260 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1920 mm | 1470 mm |
| Wheelbase Size | 3280 mm | 2620 mm |
| Fuel Consumption Overall | 15.7 L/100km | 5 L/100km |
| Fuel Tank Capacity | 95 L | 52 L |
