2004 Pontiac Sunfire vs. 2003 Pontiac Grand Prix
To start off, 2004 Pontiac Sunfire is newer by 1 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, 2003 Pontiac Grand Prix (174 HP @ 5200 RPM) has 34 more horse power than 2004 Pontiac Sunfire. (140 HP @ 5200 RPM) In normal driving conditions, 2003 Pontiac Grand Prix should accelerate faster than 2004 Pontiac Sunfire. With that said, vehicle weight also plays an important factor in acceleration. 2003 Pontiac Grand Prix weights approximately 280 kg more than 2004 Pontiac Sunfire. 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, 2003 Pontiac Grand Prix (264 Nm) has 61 more torque (in Nm) than 2004 Pontiac Sunfire. (203 Nm). This means 2003 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2004 Pontiac Sunfire.
Compare all specifications:
| 2004 Pontiac Sunfire | 2003 Pontiac Grand Prix | |
| Make | Pontiac | Pontiac |
| Model | Sunfire | Grand Prix |
| Year Released | 2004 | 2003 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2195 cc | 3130 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 140 HP | 174 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 203 Nm | 264 Nm |
| Engine Bore Size | 86 mm | 89 mm |
| Engine Stroke Size | 94 mm | 84 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1255 kg | 1535 kg |
| Vehicle Length | 4630 mm | 5000 mm |
| Vehicle Width | 1740 mm | 1850 mm |
| Vehicle Height | 1350 mm | 1400 mm |
| Wheelbase Size | 2650 mm | 3160 mm |
| Fuel Tank Capacity | 53 L | 66 L |
