2007 GMC Sierra vs. 2009 Opel Astra
To start off, 2009 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2007 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2007 GMC Sierra would be higher. At 4,294 cc (6 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (195 HP @ 4600 RPM) has 72 more horse power than 2009 Opel Astra. (123 HP @ 4000 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2009 Opel Astra.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2009 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 GMC Sierra (354 Nm @ 2800 RPM) has 74 more torque (in Nm) than 2009 Opel Astra. (280 Nm @ 2000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Opel Astra.
Compare all specifications:
| 2007 GMC Sierra | 2009 Opel Astra | |
| Make | GMC | Opel |
| Model | Sierra | Astra |
| Year Released | 2007 | 2009 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4294 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 | 123 HP |
| Engine RPM | 4600 RPM | 4000 RPM |
| Torque | 354 Nm | 280 Nm |
| Torque RPM | 2800 RPM | 2000 RPM |
| Engine Bore Size | 101.6 mm | 82 mm |
| Engine Stroke Size | 88.4 mm | 90.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 5790 mm | 4260 mm |
| Vehicle Width | 2000 mm | 1760 mm |
| Vehicle Height | 1850 mm | 1470 mm |
| Wheelbase Size | 3650 mm | 2620 mm |
| Fuel Tank Capacity | 129 L | 52 L |
