2005 BMW M3 vs. 2007 Infiniti M
To start off, 2007 Infiniti M is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW M3. In addition, the cost of maintenance, including insurance, on 2005 BMW M3 would be higher. At 3,496 cc (6 cylinders), 2007 Infiniti M is equipped with a bigger engine. In terms of performance, 2005 BMW M3 (320 HP @ 7400 RPM) has 45 more horse power than 2007 Infiniti M. (275 HP @ 6200 RPM). In normal driving conditions, 2005 BMW M3 should accelerate faster than 2007 Infiniti M.
Because 2007 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW M3. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Infiniti M (363 Nm) has 26 more torque (in Nm) than 2005 BMW M3. (337 Nm). This means 2007 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW M3.
Compare all specifications:
| 2005 BMW M3 | 2007 Infiniti M | |
| Make | BMW | Infiniti |
| Model | M3 | M |
| Year Released | 2005 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3244 cc | 3496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 275 HP |
| Engine RPM | 7400 RPM | 6200 RPM |
| Torque | 337 Nm | 363 Nm |
| Engine Bore Size | 87 mm | 95.5 mm |
| Engine Stroke Size | 91 mm | 81.4 mm |
| Engine Compression Ratio | 11.5:1 | 10.3:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4500 mm | 4900 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1530 mm |
| Wheelbase Size | 2740 mm | 2910 mm |
| Fuel Consumption Highway | 10.2 L/100km | 9.8 L/100km |
| Fuel Consumption City | 14.7 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 63 L | 76 L |
