2006 GMC Sierra vs. 2005 Opel Astra
To start off, 2006 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 4,293 cc (6 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (195 HP @ 4600 RPM) has 81 more horse power than 2005 Opel Astra. (114 HP @ 5400 RPM). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 1132 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2006 GMC Sierra 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 Sierra (353 Nm @ 2800 RPM) has 180 more torque (in Nm) than 2005 Opel Astra. (173 Nm @ 3400 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2006 GMC Sierra | 2005 Opel Astra | |
| Make | GMC | Opel |
| Model | Sierra | Astra |
| Year Released | 2006 | 2005 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4293 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 195 HP | 114 HP |
| Engine RPM | 4600 RPM | 5400 RPM |
| Torque | 353 Nm | 173 Nm |
| Torque RPM | 2800 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 3 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2317 kg | 1185 kg |
| Vehicle Length | 5710 mm | 4260 mm |
| Vehicle Width | 2000 mm | 1720 mm |
| Vehicle Height | 1810 mm | 1400 mm |
| Wheelbase Size | 3380 mm | 2610 mm |
| Fuel Tank Capacity | 129 L | 52 L |
