2007 GMC Sierra vs. 2001 Opel Astra
To start off, 2007 GMC Sierra is newer by 6 year(s). Which means there will be less support and parts availability for 2001 Opel Astra. In addition, the cost of maintenance, including insurance, on 2001 Opel Astra would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (312 HP @ 4400 RPM) has 189 more horse power than 2001 Opel Astra. (123 HP @ 4400 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2001 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1085 kg more than 2001 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2001 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 GMC Sierra (506 Nm) has 336 more torque (in Nm) than 2001 Opel Astra. (170 Nm). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Astra. 2007 GMC Sierra has automatic transmission and 2001 Opel Astra has manual transmission. 2001 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 GMC Sierra | 2001 Opel Astra | |
| Make | GMC | Opel |
| Model | Sierra | Astra |
| Year Released | 2007 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 312 HP | 123 HP |
| Engine RPM | 4400 RPM | 4400 RPM |
| Torque | 506 Nm | 170 Nm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2435 kg | 1350 kg |
| Vehicle Length | 6580 mm | 4270 mm |
| Vehicle Width | 2440 mm | 1720 mm |
| Vehicle Height | 1940 mm | 1400 mm |
| Wheelbase Size | 4250 mm | 2610 mm |
| Fuel Tank Capacity | 129 L | 58 L |
