2003 Infiniti M vs. 2005 BMW 325
To start off, 2005 BMW 325 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Infiniti M. In addition, the cost of maintenance, including insurance, on 2003 Infiniti M would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti M is equipped with a bigger engine. In terms of performance, 2003 Infiniti M (340 HP @ 6400 RPM) has 156 more horse power than 2005 BMW 325. (184 HP @ 6000 RPM). In normal driving conditions, 2003 Infiniti M should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti M weights approximately 32 kg more than 2005 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Infiniti M. In wet, icy, snow, or gravel driving conditions, 2005 BMW 325 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 Infiniti M (451 Nm @ 4000 RPM) has 206 more torque (in Nm) than 2005 BMW 325. (245 Nm @ 3500 RPM). This means 2003 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2003 Infiniti M | 2005 BMW 325 | |
| Make | Infiniti | BMW |
| Model | M | 325 |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 2494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 184 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 451 Nm | 245 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84.1 mm |
| Engine Stroke Size | 82.7 mm | 75 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1747 kg | 1715 kg |
| Vehicle Length | 5020 mm | 4480 mm |
| Vehicle Width | 1780 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2810 mm | 2730 mm |
| Fuel Tank Capacity | 79 L | 63 L |
