2005 GMC Sierra vs. 2003 Opel Astra
To start off, 2005 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 5,359 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (295 HP) has 172 more horse power than 2003 Opel Astra. (123 HP). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1005 kg more than 2003 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2005 GMC Sierra (454 Nm) has 283 more torque (in Nm) than 2003 Opel Astra. (171 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2005 GMC Sierra | 2003 Opel Astra | |
| Make | GMC | Opel |
| Model | Sierra | Astra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5359 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 |
| Torque | 454 Nm | 171 Nm |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2315 kg | 1310 kg |
| Vehicle Length | 5850 mm | 4260 mm |
| Vehicle Width | 2000 mm | 1760 mm |
| Vehicle Height | 1810 mm | 1470 mm |
| Wheelbase Size | 3650 mm | 2700 mm |
| Fuel Consumption Highway | 11.2 L/100km | 6.5 L/100km |
| Fuel Consumption City | 13.1 L/100km | 11.6 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 98 L | 52 L |
