2003 MG ZS vs. 2005 Pontiac Grand Prix
To start off, 2005 Pontiac Grand Prix is newer by 2 year(s). Which means there will be less support and parts availability for 2003 MG ZS. In addition, the cost of maintenance, including insurance, on 2003 MG ZS would be higher. At 3,786 cc (6 cylinders), 2005 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2005 Pontiac Grand Prix (260 HP @ 5200 RPM) has 85 more horse power than 2003 MG ZS. (175 HP @ 6500 RPM) In normal driving conditions, 2005 Pontiac Grand Prix should accelerate faster than 2003 MG ZS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Grand Prix weights approximately 285 kg more than 2003 MG ZS. 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, 2005 Pontiac Grand Prix (380 Nm) has 140 more torque (in Nm) than 2003 MG ZS. (240 Nm). This means 2005 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2003 MG ZS.
Compare all specifications:
| 2003 MG ZS | 2005 Pontiac Grand Prix | |
| Make | MG | Pontiac |
| Model | ZS | Grand Prix |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3786 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 260 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 240 Nm | 380 Nm |
| Engine Bore Size | 80 mm | 97.1 mm |
| Engine Stroke Size | 82.8 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 8.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1335 kg | 1620 kg |
| Vehicle Length | 4380 mm | 5040 mm |
| Vehicle Width | 1700 mm | 1830 mm |
| Vehicle Height | 1390 mm | 1420 mm |
| Wheelbase Size | 2630 mm | 2810 mm |
| Fuel Consumption Overall | 9.5 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 55 L | 64 L |
