2008 Opel Astra vs. 2006 Pontiac Grand Prix
To start off, 2008 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 2006 Pontiac Grand Prix would be higher. At 3,786 cc (6 cylinders), 2006 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2006 Pontiac Grand Prix (260 HP @ 5200 RPM) has 92 more horse power than 2008 Opel Astra. (168 HP @ 5200 RPM) In normal driving conditions, 2006 Pontiac Grand Prix should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Astra weights approximately 38 kg more than 2006 Pontiac Grand Prix.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2006 Pontiac Grand Prix (380 Nm @ 3600 RPM) has 130 more torque (in Nm) than 2008 Opel Astra. (250 Nm @ 1950 RPM). This means 2006 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 2008 Opel Astra | 2006 Pontiac Grand Prix | |
| Make | Opel | Pontiac |
| Model | Astra | Grand Prix |
| Year Released | 2008 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 3786 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 260 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 250 Nm | 380 Nm |
| Torque RPM | 1950 RPM | 3600 RPM |
| Engine Bore Size | 86 mm | 96.5 mm |
| Engine Stroke Size | 86 mm | 86.4 mm |
| Engine Compression Ratio | 8.8:1 | 8.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1347 kg |
| Vehicle Length | 4260 mm | 5040 mm |
| Vehicle Width | 1760 mm | 1830 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2810 mm |
| Fuel Consumption Overall | 9.2 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 52 L | 64 L |
