1999 GMC Sierra vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 8 year(s). Which means there will be less support and parts availability for 1999 GMC Sierra. In addition, the cost of maintenance, including insurance, on 1999 GMC Sierra would be higher. At 4,293 cc (6 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (237 HP @ 5600 RPM) has 40 more horse power than 1999 GMC Sierra. (197 HP @ 4600 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1999 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 377 kg more than 2007 Opel Astra.
Because 1999 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, 1999 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, 1999 GMC Sierra (352 Nm @ 2800 RPM) has 32 more torque (in Nm) than 2007 Opel Astra. (320 Nm @ 2400 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 1999 GMC Sierra | 2007 Opel Astra | |
| Make | GMC | Opel |
| Model | Sierra | Astra |
| Year Released | 1999 | 2007 |
| Body Type | Pickup | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4293 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 197 HP | 237 HP |
| Engine RPM | 4600 RPM | 5600 RPM |
| Torque | 352 Nm | 320 Nm |
| Torque RPM | 2800 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1775 kg | 1398 kg |
| Vehicle Length | 5170 mm | 4300 mm |
| Vehicle Width | 2000 mm | 1760 mm |
| Vehicle Height | 1810 mm | 1410 mm |
| Wheelbase Size | 3030 mm | 2620 mm |
