2007 Pontiac Grand Prix vs. 2005 Pontiac GTO
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 Pontiac GTO. In addition, the cost of maintenance, including insurance, on 2005 Pontiac GTO would be higher. At 5,965 cc (8 cylinders), 2005 Pontiac GTO is equipped with a bigger engine. In terms of performance, 2005 Pontiac GTO (400 HP) has 200 more horse power than 2007 Pontiac Grand Prix. (200 HP) In normal driving conditions, 2005 Pontiac GTO should accelerate faster than 2007 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac GTO weights approximately 334 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 Pontiac GTO (536 Nm) has 224 more torque (in Nm) than 2007 Pontiac Grand Prix. (312 Nm). This means 2005 Pontiac GTO 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 Pontiac GTO | |
| Make | Pontiac | Pontiac |
| Model | Grand Prix | GTO |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 200 HP | 400 HP |
| Torque | 312 Nm | 536 Nm |
| Engine Compression Ratio | 9.4:1 | 10.9:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1356 kg | 1690 kg |
| Vehicle Length | 5040 mm | 4830 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2810 mm | 2800 mm |
| Fuel Tank Capacity | 64 L | 68 L |
