2008 Infiniti M vs. 2005 Porsche 911
To start off, 2008 Infiniti M is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 4,493 cc (8 cylinders), 2008 Infiniti M is equipped with a bigger engine. In terms of performance, 2008 Infiniti M (325 HP @ 6400 RPM) has 5 more horse power than 2005 Porsche 911. (320 HP @ 6800 RPM). In normal driving conditions, 2008 Infiniti M should accelerate faster than 2005 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2008 Infiniti M weights approximately 387 kg more than 2005 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2008 Infiniti M (456 Nm @ 4000 RPM) has 86 more torque (in Nm) than 2005 Porsche 911. (370 Nm @ 4250 RPM). This means 2008 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911. 2008 Infiniti M has automatic transmission and 2005 Porsche 911 has manual transmission. 2005 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Infiniti M | 2005 Porsche 911 | |
| Make | Infiniti | Porsche |
| Model | M | 911 |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4493 cc | 3594 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 325 HP | 320 HP |
| Engine RPM | 6400 RPM | 6800 RPM |
| Torque | 456 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 4250 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1837 kg | 1450 kg |
| Vehicle Length | 4900 mm | 4430 mm |
| Vehicle Width | 1800 mm | 1860 mm |
| Vehicle Height | 1520 mm | 1320 mm |
| Wheelbase Size | 2910 mm | 2360 mm |
| Fuel Consumption Highway | 11.2 L/100km | 8.5 L/100km |
| Fuel Consumption City | 14.7 L/100km | 16.3 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 76 L | 64 L |
