2005 BMW X5 vs. 2011 Infiniti FX
To start off, 2011 Infiniti FX is newer by 6 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 5,000 cc (8 cylinders), 2011 Infiniti FX is equipped with a bigger engine. In terms of performance, 2011 Infiniti FX (390 HP @ 6500 RPM) has 175 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2011 Infiniti FX should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 108 kg more than 2011 Infiniti FX.
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 BMW X5 (520 Nm @ 2000 RPM) has 20 more torque (in Nm) than 2011 Infiniti FX. (500 Nm @ 4400 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2011 Infiniti FX. 2011 Infiniti FX has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Infiniti FX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW X5 | 2011 Infiniti FX | |
| Make | BMW | Infiniti |
| Model | X5 | FX |
| Year Released | 2005 | 2011 |
| Body Type | SUV | Crossover |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 5000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 390 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 520 Nm | 500 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2170 kg | 2062 kg |
| Vehicle Length | 4670 mm | 4859 mm |
| Vehicle Width | 1880 mm | 1928 mm |
| Vehicle Height | 1720 mm | 1679 mm |
| Wheelbase Size | 2830 mm | 2885 mm |
| Fuel Tank Capacity | 93 L | 90 L |
