2008 Infiniti M vs. 2007 BMW 523
To start off, 2008 Infiniti M is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW 523. In addition, the cost of maintenance, including insurance, on 2007 BMW 523 would be higher. At 4,493 cc (8 cylinders), 2008 Infiniti M is equipped with a bigger engine. In terms of performance, 2008 Infiniti M (325 HP @ 6400 RPM) has 150 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM). In normal driving conditions, 2008 Infiniti M should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2008 Infiniti M weights approximately 272 kg more than 2007 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 523. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Infiniti M (456 Nm @ 4000 RPM) has 226 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2008 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2008 Infiniti M | 2007 BMW 523 | |
| Make | Infiniti | BMW |
| Model | M | 523 |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4493 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 325 HP | 175 HP |
| Engine RPM | 6400 RPM | 5800 RPM |
| Torque | 456 Nm | 230 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1837 kg | 1565 kg |
| Vehicle Length | 4900 mm | 4850 mm |
| Vehicle Width | 1800 mm | 1850 mm |
| Vehicle Height | 1520 mm | 1470 mm |
| Wheelbase Size | 2910 mm | 2890 mm |
| Fuel Consumption Overall | 13.1 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 76 L | 70 L |
