2006 BMW 525 vs. 2003 Infiniti Q45
To start off, 2006 BMW 525 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2003 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 125 more horse power than 2006 BMW 525. (215 HP @ 6250 RPM) In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 2006 BMW 525.
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, 2003 Infiniti Q45 (451 Nm @ 4000 RPM) has 200 more torque (in Nm) than 2006 BMW 525. (251 Nm @ 2750 RPM). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2006 BMW 525 | 2003 Infiniti Q45 | |
| Make | BMW | Infiniti |
| Model | 525 | Q45 |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 4494 cc |
| Horse Power | 215 HP | 340 HP |
| Engine RPM | 6250 RPM | 6400 RPM |
| Torque | 251 Nm | 451 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4860 mm | 5080 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2890 mm | 2880 mm |
| Fuel Tank Capacity | 70 L | 81 L |
