2007 GMC Sierra vs. 2007 Opel Astra
To start off, both 2007 GMC Sierra and 2007 Opel Astra were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 58 more horse power than 2007 Opel Astra. (237 HP @ 5600 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 919 kg more than 2007 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 2007 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 94 more torque (in Nm) than 2007 Opel Astra. (320 Nm @ 2400 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 2007 GMC Sierra has automatic transmission and 2007 Opel Astra has manual transmission. 2007 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 | 2007 Opel Astra | |
| Make | GMC | Opel |
| Model | Sierra | Astra |
| Year Released | 2007 | 2007 |
| Body Type | Pickup | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4802 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 295 HP | 237 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 414 Nm | 320 Nm |
| Torque RPM | 4800 RPM | 2400 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 3 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 2317 kg | 1398 kg |
| Vehicle Length | 5710 mm | 4300 mm |
| Vehicle Width | 2040 mm | 1760 mm |
| Vehicle Height | 1870 mm | 1410 mm |
| Wheelbase Size | 3380 mm | 2620 mm |
| Fuel Consumption Overall | 13.1 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 129 L | 52 L |
