2009 Infiniti EX vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Infiniti EX. In addition, the cost of maintenance, including insurance, on 2009 Infiniti EX would be higher. At 4,395 cc (8 cylinders), 2013 BMW 7 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 7 Series (439 HP @ 5500 RPM) has 122 more horse power than 2009 Infiniti EX. (317 HP @ 7000 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 2009 Infiniti EX. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 433 kg more than 2009 Infiniti EX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 BMW 7 Series (651 Nm @ 4500 RPM) has 291 more torque (in Nm) than 2009 Infiniti EX. (360 Nm @ 5200 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti EX.
Compare all specifications:
| 2009 Infiniti EX | 2013 BMW 7 Series | |
| Make | Infiniti | BMW |
| Model | EX | 7 Series |
| Year Released | 2009 | 2013 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3696 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 317 HP | 439 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 360 Nm | 651 Nm |
| Torque RPM | 5200 RPM | 4500 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 240 km/hour | 240 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 4.6 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1719 kg | 2152 kg |
| Vehicle Length | 4640 mm | 5074 mm |
| Vehicle Width | 1810 mm | 2134 mm |
| Vehicle Height | 1600 mm | 1471 mm |
| Wheelbase Size | 2810 mm | 3070 mm |
| Fuel Tank Capacity | 82 L | 80 L |
