2007 Pontiac Grand Prix vs. 2006 Opel Astra
To start off, 2007 Pontiac Grand Prix is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Astra. In addition, the cost of maintenance, including insurance, on 2006 Opel Astra would be higher. At 3,786 cc (6 cylinders), 2007 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2007 Pontiac Grand Prix (200 HP) has 111 more horse power than 2006 Opel Astra. (89 HP). In normal driving conditions, 2007 Pontiac Grand Prix should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Pontiac Grand Prix weights approximately 26 kg more than 2006 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Pontiac Grand Prix is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Pontiac Grand Prix. However, in wet, icy, snow, or gravel driving conditions, 2006 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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 Pontiac Grand Prix (312 Nm @ 4000 RPM) has 112 more torque (in Nm) than 2006 Opel Astra. (200 Nm @ 1750 RPM). This means 2007 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2007 Pontiac Grand Prix | 2006 Opel Astra | |
| Make | Pontiac | Opel |
| Model | Grand Prix | Astra |
| Year Released | 2007 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 1246 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 89 HP |
| Torque | 312 Nm | 200 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Engine Bore Size | 97 mm | 69.6 mm |
| Engine Stroke Size | 86 mm | 82 mm |
| Engine Compression Ratio | 9.4:1 | 18.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1356 kg | 1330 kg |
| Vehicle Length | 5040 mm | 4260 mm |
| Vehicle Width | 1830 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 2620 mm |
| Fuel Consumption Overall | 9.8 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 64 L | 52 L |
