2006 Pontiac Grand Prix vs. 2005 Pontiac Bonneville
To start off, 2006 Pontiac Grand Prix is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 2005 Pontiac Bonneville would be higher. Both 2006 Pontiac Grand Prix and 2005 Pontiac Bonneville are equipped with a 3,786 cc engine. In terms of performance, 2005 Pontiac Bonneville (205 HP) has 5 more horse power than 2006 Pontiac Grand Prix. (200 HP) In normal driving conditions, 2005 Pontiac Bonneville should accelerate faster than 2006 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Bonneville weights approximately 15 kg more than 2006 Pontiac Grand Prix. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Pontiac Grand Prix 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 2006 Pontiac Grand Prix. However, in wet, icy, snow, or gravel driving conditions, 2005 Pontiac Bonneville, 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, both vehicles can yield 312 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2006 Pontiac Grand Prix | 2005 Pontiac Bonneville | |
| Make | Pontiac | Pontiac |
| Model | Grand Prix | Bonneville |
| Year Released | 2006 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 3786 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 200 HP | 205 HP |
| Torque | 312 Nm | 312 Nm |
| Engine Bore Size | 96.6 mm | 97.1 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 9.4:1 | 9.4:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1633 kg | 1648 kg |
| Vehicle Length | 5040 mm | 5150 mm |
| Vehicle Width | 1830 mm | 1890 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2810 mm | 2800 mm |
| Fuel Consumption | 7.8 L/100km | 8.1 L/100km |
| Fuel Consumption City | 11.8 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 64 L | 68 L |
