2008 BMW M5 vs. 2006 BMW 545
To start off, 2008 BMW M5 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW 545. In addition, the cost of maintenance, including insurance, on 2006 BMW 545 would be higher. At 4,999 cc (10 cylinders), 2008 BMW M5 is equipped with a bigger engine. In terms of performance, 2008 BMW M5 (500 HP @ 7750 RPM) has 172 more horse power than 2006 BMW 545. (328 HP @ 6100 RPM). In normal driving conditions, 2008 BMW M5 should accelerate faster than 2006 BMW 545.
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, 2008 BMW M5 (520 Nm @ 6100 RPM) has 70 more torque (in Nm) than 2006 BMW 545. (450 Nm @ 3700 RPM). This means 2008 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 545.
Compare all specifications:
| 2008 BMW M5 | 2006 BMW 545 | |
| Make | BMW | BMW |
| Model | M5 | 545 |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2494 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 328 HP |
| Engine RPM | 7750 RPM | 6100 RPM |
| Torque | 520 Nm | 450 Nm |
| Torque RPM | 6100 RPM | 3700 RPM |
| Acceleration 0-100mph | 4.7 seconds | 5.8 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Width | 1850 mm | 1850 mm |
| Fuel Consumption Overall | 14.8 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
