2002 GMC Sierra vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 5 year(s). Which means there will be less support and parts availability for 2002 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2002 GMC Sierra would be higher. At 5,967 cc (8 cylinders), 2002 GMC Sierra is equipped with a bigger engine. In terms of performance, 2002 GMC Sierra (321 HP @ 5000 RPM) has 217 more horse power than 2007 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2002 GMC Sierra should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2002 GMC Sierra weights approximately 955 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 2002 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, 2002 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, 2002 GMC Sierra (371 Nm @ 4000 RPM) has 221 more torque (in Nm) than 2007 Opel Astra. (150 Nm @ 3900 RPM). This means 2002 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2002 GMC Sierra | 2007 Opel Astra | |
| Make | GMC | Opel |
| Model | Sierra | Astra |
| Year Released | 2002 | 2007 |
| Body Type | Pickup | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 321 HP | 104 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 371 Nm | 150 Nm |
| Torque RPM | 4000 RPM | 3900 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2270 kg | 1315 kg |
| Vehicle Length | 5790 mm | 4520 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1850 mm | 1510 mm |
| Wheelbase Size | 3650 mm | 2710 mm |
| Fuel Consumption Overall | 13.1 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 117 L | 52 L |
