2009 BMW 730 vs. 2006 Infiniti Q45
To start off, 2009 BMW 730 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2006 Infiniti Q45 would be higher. At 4,490 cc (8 cylinders), 2006 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2006 Infiniti Q45 (340 HP @ 6400 RPM) has 98 more horse power than 2009 BMW 730. (242 HP @ 4000 RPM) In normal driving conditions, 2006 Infiniti Q45 should accelerate faster than 2009 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 730 weights approximately 545 kg more than 2006 Infiniti Q45.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2009 BMW 730 (540 Nm @ 1750 RPM) has 88 more torque (in Nm) than 2006 Infiniti Q45. (452 Nm @ 4000 RPM). This means 2009 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2006 Infiniti Q45.
Compare all specifications:
| 2009 BMW 730 | 2006 Infiniti Q45 | |
| Make | BMW | Infiniti |
| Model | 730 | Q45 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4490 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 242 HP | 340 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 540 Nm | 452 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Compression Ratio | 16.5:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1865 kg | 1320 kg |
| Vehicle Length | 5080 mm | 5110 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1490 mm | 1500 mm |
| Wheelbase Size | 3080 mm | 2880 mm |
| Fuel Consumption Overall | 7.2 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 80 L | 81 L |
