2003 Pontiac G6 vs. 2004 Pontiac Grand Prix
To start off, 2004 Pontiac Grand Prix is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Pontiac G6. In addition, the cost of maintenance, including insurance, on 2003 Pontiac G6 would be higher. At 5,326 cc (8 cylinders), 2004 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2004 Pontiac Grand Prix (290 HP @ 5200 RPM) has 4 more horse power than 2003 Pontiac G6. (286 HP @ 5600 RPM) In normal driving conditions, 2004 Pontiac Grand Prix should accelerate faster than 2003 Pontiac G6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Pontiac Grand Prix weights approximately 184 kg more than 2003 Pontiac G6. 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, 2004 Pontiac Grand Prix (441 Nm) has 72 more torque (in Nm) than 2003 Pontiac G6. (369 Nm). This means 2004 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2003 Pontiac G6.
Compare all specifications:
| 2003 Pontiac G6 | 2004 Pontiac Grand Prix | |
| Make | Pontiac | Pontiac |
| Model | G6 | Grand Prix |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3392 cc | 5326 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 286 HP | 290 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 369 Nm | 441 Nm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1501 kg | 1685 kg |
| Vehicle Length | 4690 mm | 5060 mm |
| Vehicle Width | 1780 mm | 1880 mm |
| Vehicle Height | 1330 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2760 mm |
