2006 GMC Envoy vs. 2003 Opel Astra
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 Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra 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 156 more horse power than 2003 Opel Astra. (144 HP @ 5800 RPM). In normal driving conditions, 2006 GMC Envoy should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 1279 kg more than 2003 Opel Astra. 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 Astra. 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 244 more torque (in Nm) than 2003 Opel Astra. (203 Nm @ 4000 RPM). This means 2006 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2006 GMC Envoy | 2003 Opel Astra | |
| Make | GMC | Opel |
| Model | Envoy | Astra |
| Year Released | 2006 | 2003 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 2172 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 144 HP |
| Engine RPM | 5200 RPM | 5800 RPM |
| Torque | 447 Nm | 203 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 96.1 mm | 86 mm |
| Engine Stroke Size | 92 mm | 94.6 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2659 kg | 1380 kg |
| Vehicle Length | 4870 mm | 4290 mm |
| Vehicle Width | 1900 mm | 1720 mm |
| Vehicle Height | 1830 mm | 1520 mm |
| Wheelbase Size | 2880 mm | 2640 mm |
| Fuel Consumption Highway | 11.2 L/100km | 6.9 L/100km |
| Fuel Consumption City | 15.7 L/100km | 12 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 83 L | 52 L |
