2006 GMC Sierra vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 2 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 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (300 HP @ 4400 RPM) has 196 more horse power than 2008 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 1121 kg more than 2008 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 2008 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 (488 Nm @ 4000 RPM) has 338 more torque (in Nm) than 2008 Opel Astra. (150 Nm @ 3900 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 2006 GMC Sierra | 2008 Opel Astra | |
| Make | GMC | Opel |
| Model | Sierra | Astra |
| Year Released | 2006 | 2008 |
| Body Type | Pickup | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 104 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 488 Nm | 150 Nm |
| Torque RPM | 4000 RPM | 3900 RPM |
| Drive Type | 4WD | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2436 kg | 1315 kg |
| Vehicle Length | 6570 mm | 4520 mm |
| Vehicle Width | 2450 mm | 1800 mm |
| Vehicle Height | 1970 mm | 1510 mm |
| Wheelbase Size | 4250 mm | 2710 mm |
| Fuel Consumption Overall | 15.7 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 132 L | 52 L |
