2005 Infiniti M vs. 1998 Porsche 911
To start off, 2005 Infiniti M is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Porsche 911. In addition, the cost of maintenance, including insurance, on 1998 Porsche 911 would be higher. At 3,498 cc (6 cylinders), 2005 Infiniti M is equipped with a bigger engine. In terms of performance, 1998 Porsche 911 (296 HP @ 6800 RPM) has 20 more horse power than 2005 Infiniti M. (276 HP @ 6200 RPM) In normal driving conditions, 1998 Porsche 911 should accelerate faster than 2005 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti M weights approximately 395 kg more than 1998 Porsche 911.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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 Infiniti M (366 Nm @ 4800 RPM) has 16 more torque (in Nm) than 1998 Porsche 911. (350 Nm @ 4600 RPM). This means 2005 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 1998 Porsche 911.
Compare all specifications:
| 2005 Infiniti M | 1998 Porsche 911 | |
| Make | Infiniti | Porsche |
| Model | M | 911 |
| Year Released | 2005 | 1998 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3498 cc | 3387 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 296 HP |
| Engine RPM | 6200 RPM | 6800 RPM |
| Torque | 366 Nm | 350 Nm |
| Torque RPM | 4800 RPM | 4600 RPM |
| Engine Bore Size | 96.1 mm | 96 mm |
| Engine Stroke Size | 81 mm | 78 mm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1815 kg | 1420 kg |
| Vehicle Length | 4900 mm | 4440 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1520 mm | 1310 mm |
| Wheelbase Size | 2880 mm | 2360 mm |
| Fuel Tank Capacity | 75 L | 63 L |
