2006 GMC Sierra vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2006 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2006 GMC Sierra would be higher. At 4,294 cc (6 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (195 HP) has 90 more horse power than 2007 Opel Astra. (105 HP). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2007 Opel Astra.
Because 2006 GMC Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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 (354 Nm) has 204 more torque (in Nm) than 2007 Opel Astra. (150 Nm). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2006 GMC Sierra | 2007 Opel Astra | |
| Make | GMC | Opel |
| Model | Sierra | Astra |
| Year Released | 2006 | 2007 |
| Body Type | Pickup | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4294 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 195 HP | 105 HP |
| Torque | 354 Nm | 150 Nm |
| Engine Bore Size | 102 mm | 79 mm |
| Engine Stroke Size | 88 mm | 81.5 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 4 seats |
| Vehicle Length | 5850 mm | 4300 mm |
| Vehicle Width | 2000 mm | 1760 mm |
| Vehicle Height | 1850 mm | 1440 mm |
| Wheelbase Size | 3650 mm | 2620 mm |
