2005 Pontiac Grand Prix vs. 2012 Opel Astra
To start off, 2012 Opel Astra is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 2005 Pontiac Grand Prix would be higher. At 3,786 cc (6 cylinders), 2005 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2005 Pontiac Grand Prix (200 HP) has 3 more horse power than 2012 Opel Astra. (197 HP). In normal driving conditions, 2005 Pontiac Grand Prix should accelerate faster than 2012 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Grand Prix weights approximately 265 kg more than 2012 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2005 Pontiac Grand Prix (312 Nm) has 50 more torque (in Nm) than 2012 Opel Astra. (262 Nm). This means 2005 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2012 Opel Astra.
Compare all specifications:
| 2005 Pontiac Grand Prix | 2012 Opel Astra | |
| Make | Pontiac | Opel |
| Model | Grand Prix | Astra |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 197 HP |
| Torque | 312 Nm | 262 Nm |
| Engine Bore Size | 97 mm | 86.1 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Engine Compression Ratio | 9.4:1 | 8.8:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1650 kg | 1385 kg |
| Vehicle Length | 5040 mm | 4260 mm |
| Vehicle Width | 1830 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2720 mm | 2620 mm |
| Fuel Consumption Overall | 10.4 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 64 L | 52 L |
