2010 GMC Sierra vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2010 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2010 GMC Sierra would be higher. At 6,200 cc (8 cylinders), 2010 GMC Sierra is equipped with a bigger engine. In terms of performance, 2010 GMC Sierra (403 HP @ 5700 RPM) has 265 more horse power than 2011 Opel Astra. (138 HP @ 5600 RPM). In normal driving conditions, 2010 GMC Sierra should accelerate faster than 2011 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2010 GMC Sierra weights approximately 1072 kg more than 2011 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 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 2010 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2011 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, 2010 GMC Sierra (565 Nm @ 4300 RPM) has 390 more torque (in Nm) than 2011 Opel Astra. (175 Nm @ 3800 RPM). This means 2010 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2011 Opel Astra. 2010 GMC Sierra has automatic transmission and 2011 Opel Astra has manual transmission. 2011 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2010 GMC Sierra | 2011 Opel Astra | |
| Make | GMC | Opel |
| Model | Sierra | Astra |
| Year Released | 2010 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 6200 cc | 1795 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 403 HP | 138 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 565 Nm | 175 Nm |
| Torque RPM | 4300 RPM | 3800 RPM |
| Fuel Type | Flex Fuel | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2350 kg | 1278 kg |
| Vehicle Length | 5839 mm | 4260 mm |
| Vehicle Width | 2032 mm | 1760 mm |
| Vehicle Height | 1875 mm | 1470 mm |
| Wheelbase Size | 3645 mm | 2620 mm |
| Fuel Tank Capacity | 98 L | 52 L |
