2005 Infiniti M vs. 2003 Pontiac GTO
To start off, 2005 Infiniti M is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Pontiac GTO. In addition, the cost of maintenance, including insurance, on 2003 Pontiac GTO would be higher. At 5,665 cc (8 cylinders), 2003 Pontiac GTO is equipped with a bigger engine. In terms of performance, 2003 Pontiac GTO (350 HP @ 5200 RPM) has 74 more horse power than 2005 Infiniti M. (276 HP @ 6200 RPM) In normal driving conditions, 2003 Pontiac GTO should accelerate faster than 2005 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti M weights approximately 125 kg more than 2003 Pontiac GTO.
Because 2005 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2003 Pontiac GTO. In wet, icy, snow, or gravel driving conditions, 2005 Infiniti M 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, 2003 Pontiac GTO (495 Nm @ 4000 RPM) has 129 more torque (in Nm) than 2005 Infiniti M. (366 Nm @ 4800 RPM). This means 2003 Pontiac GTO will have an easier job in driving up hills or pulling heavy equipment than 2005 Infiniti M.
Compare all specifications:
| 2005 Infiniti M | 2003 Pontiac GTO | |
| Make | Infiniti | Pontiac |
| Model | M | GTO |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 5665 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 276 HP | 350 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 366 Nm | 495 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 96.1 mm | 99 mm |
| Engine Stroke Size | 81 mm | 92 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1815 kg | 1690 kg |
| Vehicle Length | 4900 mm | 4830 mm |
| Vehicle Width | 1800 mm | 1850 mm |
| Vehicle Height | 1520 mm | 1400 mm |
| Wheelbase Size | 2880 mm | 2860 mm |
| Fuel Tank Capacity | 75 L | 70 L |
