2006 Chevrolet Express vs. 2003 Pontiac Grand Prix
To start off, 2006 Chevrolet Express is newer by 3 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 5,324 cc (8 cylinders), 2006 Chevrolet Express is equipped with a bigger engine. In terms of performance, 2006 Chevrolet Express (295 HP @ 5200 RPM) has 121 more horse power than 2003 Pontiac Grand Prix. (174 HP @ 5200 RPM). In normal driving conditions, 2006 Chevrolet Express should accelerate faster than 2003 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2006 Chevrolet Express weights approximately 825 kg more than 2003 Pontiac Grand Prix. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Chevrolet Express is four wheel drive (4WD), it will have significant more traction and grip than 2003 Pontiac Grand Prix. In wet, icy, snow, or gravel driving conditions, 2006 Chevrolet Express 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 Chevrolet Express (454 Nm @ 4000 RPM) has 190 more torque (in Nm) than 2003 Pontiac Grand Prix. (264 Nm @ 4000 RPM). This means 2006 Chevrolet Express will have an easier job in driving up hills or pulling heavy equipment than 2003 Pontiac Grand Prix.
Compare all specifications:
| 2006 Chevrolet Express | 2003 Pontiac Grand Prix | |
| Make | Chevrolet | Pontiac |
| Model | Express | Grand Prix |
| Year Released | 2006 | 2003 |
| Body Type | Van | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5324 cc | 3130 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 295 HP | 174 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 454 Nm | 264 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 96 mm | 89 mm |
| Engine Stroke Size | 92 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2360 kg | 1535 kg |
| Vehicle Length | 5700 mm | 5000 mm |
| Vehicle Width | 2020 mm | 1850 mm |
| Vehicle Height | 2080 mm | 1400 mm |
| Wheelbase Size | 3440 mm | 3160 mm |
| Fuel Tank Capacity | 117 L | 66 L |
