2007 Pontiac Grand Prix vs. 2003 Mazda 6
To start off, 2007 Pontiac Grand Prix is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Mazda 6. In addition, the cost of maintenance, including insurance, on 2003 Mazda 6 would be higher. At 3,786 cc (6 cylinders), 2007 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2007 Pontiac Grand Prix (200 HP) has 62 more horse power than 2003 Mazda 6. (138 HP). In normal driving conditions, 2007 Pontiac Grand Prix should accelerate faster than 2003 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Pontiac Grand Prix weights approximately 313 kg more than 2003 Mazda 6. 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, 2007 Pontiac Grand Prix (312 Nm @ 4000 RPM) has 131 more torque (in Nm) than 2003 Mazda 6. (181 Nm @ 4500 RPM). This means 2007 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda 6.
Compare all specifications:
| 2007 Pontiac Grand Prix | 2003 Mazda 6 | |
| Make | Pontiac | Mazda |
| Model | Grand Prix | 6 |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 1999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 200 HP | 138 HP |
| Torque | 312 Nm | 181 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Bore Size | 96.6 mm | 87.5 mm |
| Engine Stroke Size | 86.4 mm | 83.1 mm |
| Engine Compression Ratio | 9.4:1 | 11.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1633 kg | 1320 kg |
| Vehicle Length | 5040 mm | 4690 mm |
| Vehicle Width | 1880 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2810 mm | 2620 mm |
| Fuel Tank Capacity | 64 L | 64 L |
