2006 Pontiac Grand Prix vs. 2003 Subaru Legacy
To start off, 2006 Pontiac Grand Prix is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Subaru Legacy. In addition, the cost of maintenance, including insurance, on 2003 Subaru Legacy would be higher. At 3,786 cc (6 cylinders), 2006 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2006 Pontiac Grand Prix (260 HP @ 5200 RPM) has 18 more horse power than 2003 Subaru Legacy. (242 HP @ 6600 RPM). In normal driving conditions, 2006 Pontiac Grand Prix should accelerate faster than 2003 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2003 Subaru Legacy weights approximately 123 kg more than 2006 Pontiac Grand Prix.
Because 2003 Subaru Legacy is four wheel drive (4WD), it will have significant more traction and grip than 2006 Pontiac Grand Prix. In wet, icy, snow, or gravel driving conditions, 2003 Subaru Legacy will offer significantly more control. 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, 2006 Pontiac Grand Prix (380 Nm @ 3600 RPM) has 83 more torque (in Nm) than 2003 Subaru Legacy. (297 Nm @ 4200 RPM). This means 2006 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2003 Subaru Legacy.
Compare all specifications:
| 2006 Pontiac Grand Prix | 2003 Subaru Legacy | |
| Make | Pontiac | Subaru |
| Model | Grand Prix | Legacy |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 2999 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 260 HP | 242 HP |
| Engine RPM | 5200 RPM | 6600 RPM |
| Torque | 380 Nm | 297 Nm |
| Torque RPM | 3600 RPM | 4200 RPM |
| Engine Bore Size | 96.5 mm | 89 mm |
| Engine Stroke Size | 86.4 mm | 80 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1347 kg | 1470 kg |
| Vehicle Length | 5040 mm | 4670 mm |
| Vehicle Width | 1830 mm | 1740 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2810 mm | 2680 mm |
| Fuel Tank Capacity | 64 L | 64 L |
