2003 Pontiac Grand Prix vs. 2011 Kia Optima
To start off, 2011 Kia Optima is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 2003 Pontiac Grand Prix would be higher. At 3,130 cc (6 cylinders), 2003 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2011 Kia Optima (274 HP @ 6000 RPM) has 100 more horse power than 2003 Pontiac Grand Prix. (174 HP @ 5200 RPM) In normal driving conditions, 2011 Kia Optima should accelerate faster than 2003 Pontiac Grand Prix.
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, 2011 Kia Optima (364 Nm @ 1750 RPM) has 100 more torque (in Nm) than 2003 Pontiac Grand Prix. (264 Nm @ 4000 RPM). This means 2011 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2003 Pontiac Grand Prix.
Compare all specifications:
| 2003 Pontiac Grand Prix | 2011 Kia Optima | |
| Make | Pontiac | Kia |
| Model | Grand Prix | Optima |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3130 cc | 2000 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 174 HP | 274 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 264 Nm | 364 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1535 kg |
| Vehicle Length | 5000 mm | 4844 mm |
| Vehicle Width | 1850 mm | 1831 mm |
| Vehicle Height | 1400 mm | 1455 mm |
| Wheelbase Size | 3160 mm | 2797 mm |
| Fuel Tank Capacity | 66 L | 70 L |
