2007 Pontiac Grand Prix vs. 2005 Porsche 911
To start off, 2007 Pontiac Grand Prix is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,786 cc (6 cylinders), 2007 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (320 HP) has 120 more horse power than 2007 Pontiac Grand Prix. (200 HP) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2007 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 114 kg more than 2007 Pontiac Grand Prix. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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 Porsche 911 (370 Nm @ 4250 RPM) has 58 more torque (in Nm) than 2007 Pontiac Grand Prix. (312 Nm @ 4000 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Pontiac Grand Prix.
Compare all specifications:
| 2007 Pontiac Grand Prix | 2005 Porsche 911 | |
| Make | Pontiac | Porsche |
| Model | Grand Prix | 911 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3786 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 320 HP |
| Torque | 312 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 4250 RPM |
| Engine Compression Ratio | 9.4:1 | 11.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1356 kg | 1470 kg |
| Vehicle Length | 5040 mm | 4470 mm |
| Vehicle Width | 1830 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2810 mm | 2360 mm |
| Fuel Consumption | 7.8 L/100km | 9.1 L/100km |
| Fuel Consumption City | 11.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 11 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
