2006 BMW M5 vs. 2003 Infiniti FX
To start off, 2006 BMW M5 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Infiniti FX. In addition, the cost of maintenance, including insurance, on 2003 Infiniti FX would be higher. At 4,998 cc (10 cylinders), 2006 BMW M5 is equipped with a bigger engine. In terms of performance, 2006 BMW M5 (500 HP @ 7750 RPM) has 224 more horse power than 2003 Infiniti FX. (276 HP @ 6200 RPM). In normal driving conditions, 2006 BMW M5 should accelerate faster than 2003 Infiniti FX. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti FX weights approximately 85 kg more than 2006 BMW M5.
Because 2006 BMW M5 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Infiniti FX. In wet, icy, snow, or gravel driving conditions, 2006 BMW M5 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 BMW M5 (519 Nm @ 6100 RPM) has 153 more torque (in Nm) than 2003 Infiniti FX. (366 Nm @ 4800 RPM). This means 2006 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2003 Infiniti FX. 2003 Infiniti FX has automatic transmission and 2006 BMW M5 has manual transmission. 2006 BMW M5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Infiniti FX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW M5 | 2003 Infiniti FX | |
| Make | BMW | Infiniti |
| Model | M5 | FX |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4998 cc | 3497 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 276 HP |
| Engine RPM | 7750 RPM | 6200 RPM |
| Torque | 519 Nm | 366 Nm |
| Torque RPM | 6100 RPM | 4800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1755 kg | 1840 kg |
| Vehicle Length | 4860 mm | 4810 mm |
| Vehicle Width | 1850 mm | 1930 mm |
| Vehicle Height | 1470 mm | 1660 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
