2004 Pontiac Grand Prix vs. 2008 Pontiac G8
To start off, 2008 Pontiac G8 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 2004 Pontiac Grand Prix would be higher. At 5,999 cc (8 cylinders), 2008 Pontiac G8 is equipped with a bigger engine. In terms of performance, 2008 Pontiac G8 (361 HP @ 5300 RPM) has 71 more horse power than 2004 Pontiac Grand Prix. (290 HP @ 5200 RPM) In normal driving conditions, 2008 Pontiac G8 should accelerate faster than 2004 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2004 Pontiac Grand Prix weights approximately 333 kg more than 2008 Pontiac G8.
Because 2008 Pontiac G8 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 2008 Pontiac G8. However, in wet, icy, snow, or gravel driving conditions, 2004 Pontiac Grand Prix, 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, 2008 Pontiac G8 (522 Nm @ 4400 RPM) has 81 more torque (in Nm) than 2004 Pontiac Grand Prix. (441 Nm @ 4000 RPM). This means 2008 Pontiac G8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Pontiac Grand Prix.
Compare all specifications:
| 2004 Pontiac Grand Prix | 2008 Pontiac G8 | |
| Make | Pontiac | Pontiac |
| Model | Grand Prix | G8 |
| Year Released | 2004 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5326 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 290 HP | 361 HP |
| Engine RPM | 5200 RPM | 5300 RPM |
| Torque | 441 Nm | 522 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 96 mm | 102 mm |
| Engine Stroke Size | 92 mm | 92 mm |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1685 kg | 1352 kg |
| Vehicle Length | 5060 mm | 4990 mm |
| Vehicle Width | 1880 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2920 mm |
| Fuel Tank Capacity | 64 L | 72 L |
