2007 GMC Sierra vs. 2005 Opel Astra
To start off, 2007 GMC Sierra is newer by 2 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 4,802 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (295 HP @ 5600 RPM) has 172 more horse power than 2005 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1117 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 2007 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, 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 (414 Nm @ 4800 RPM) has 247 more torque (in Nm) than 2005 Opel Astra. (167 Nm @ 3800 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2007 GMC Sierra has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 GMC Sierra | 2005 Opel Astra | |
Make | GMC | Opel |
Model | Sierra | Astra |
Year Released | 2007 | 2005 |
Body Type | Pickup | Station Wagon |
Engine Position | Front | Front |
Engine Size | 4802 cc | 1796 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 295 HP | 123 HP |
Engine RPM | 5600 RPM | 5600 RPM |
Torque | 414 Nm | 167 Nm |
Torque RPM | 4800 RPM | 3800 RPM |
Drive Type | 4WD | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 3 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 2317 kg | 1200 kg |
Wheelbase Size | 3380 mm | 2740 mm |
Fuel Tank Capacity | 129 L | 52 L |