2003 Opel Astra vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 10 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 4,300 cc (6 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (192 HP @ 4600 RPM) has 118 more horse power than 2003 Opel Astra. (74 HP @ 5200 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 1171 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 2013 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2013 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, 2013 GMC Sierra (353 Nm @ 2800 RPM) has 223 more torque (in Nm) than 2003 Opel Astra. (130 Nm @ 2800 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra. 2013 GMC Sierra has automatic transmission and 2003 Opel Astra has manual transmission. 2003 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Astra | 2013 GMC Sierra | |
| Make | Opel | GMC |
| Model | Astra | Sierra |
| Year Released | 2003 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1596 cc | 4300 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 74 HP | 192 HP |
| Engine RPM | 5200 RPM | 4600 RPM |
| Torque | 130 Nm | 353 Nm |
| Torque RPM | 2800 RPM | 2800 RPM |
| Engine Bore Size | 85 mm | 101 mm |
| Engine Stroke Size | 69.8 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | 4-speed automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1100 kg | 2271 kg |
| Vehicle Length | 4260 mm | 5702 mm |
| Vehicle Width | 1760 mm | 2031 mm |
| Vehicle Height | 1470 mm | 1875 mm |
| Wheelbase Size | 2640 mm | 3378 mm |
| Fuel Consumption | 5.5 L/100km | 11.4 L/100km |
| Fuel Consumption City | 8.5 L/100km | 15 L/100km |
| Fuel Tank Capacity | 52 L | 129 L |
