2003 BMW 545 vs. 2005 Infiniti M
To start off, 2005 Infiniti M is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW 545. In addition, the cost of maintenance, including insurance, on 2003 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 545 is equipped with a bigger engine. In terms of performance, 2003 BMW 545 (328 HP @ 6100 RPM) has 52 more horse power than 2005 Infiniti M. (276 HP @ 6200 RPM). In normal driving conditions, 2003 BMW 545 should accelerate faster than 2005 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti M weights approximately 110 kg more than 2003 BMW 545.
Because 2005 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 545. In wet, icy, snow, or gravel driving conditions, 2005 Infiniti M 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, 2003 BMW 545 (450 Nm @ 3600 RPM) has 84 more torque (in Nm) than 2005 Infiniti M. (366 Nm @ 4800 RPM). This means 2003 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2005 Infiniti M. 2005 Infiniti M has automatic transmission and 2003 BMW 545 has manual transmission. 2003 BMW 545 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 545 | 2005 Infiniti M | |
| Make | BMW | Infiniti |
| Model | 545 | M |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 276 HP |
| Engine RPM | 6100 RPM | 6200 RPM |
| Torque | 450 Nm | 366 Nm |
| Torque RPM | 3600 RPM | 4800 RPM |
| Engine Bore Size | 92 mm | 96.1 mm |
| Engine Stroke Size | 82.7 mm | 81 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1705 kg | 1815 kg |
| Vehicle Length | 4850 mm | 4900 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1520 mm |
| Wheelbase Size | 2840 mm | 2880 mm |
| Fuel Tank Capacity | 70 L | 75 L |
