2008 BMW X5 vs. 2005 BMW M6
To start off, 2008 BMW X5 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW M6. In addition, the cost of maintenance, including insurance, on 2005 BMW M6 would be higher. At 4,998 cc (10 cylinders), 2005 BMW M6 is equipped with a bigger engine. In terms of performance, 2005 BMW M6 (500 HP @ 7750 RPM) has 172 more horse power than 2008 BMW X5. (328 HP @ 6100 RPM) In normal driving conditions, 2005 BMW M6 should accelerate faster than 2008 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 406 kg more than 2005 BMW M6.
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, 2005 BMW M6 (500 Nm @ 6100 RPM) has 60 more torque (in Nm) than 2008 BMW X5. (440 Nm @ 3700 RPM). This means 2005 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5.
Compare all specifications:
| 2008 BMW X5 | 2005 BMW M6 | |
| Make | BMW | BMW |
| Model | X5 | M6 |
| Year Released | 2008 | 2005 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4998 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 500 HP |
| Engine RPM | 6100 RPM | 7750 RPM |
| Torque | 440 Nm | 500 Nm |
| Torque RPM | 3700 RPM | 6100 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 82.7 mm | 75.2 mm |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 229 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 4.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2191 kg | 1785 kg |
| Vehicle Length | 4870 mm | 4880 mm |
| Vehicle Height | 1480 mm | 1380 mm |
| Wheelbase Size | 2830 mm | 2890 mm |
| Fuel Consumption Overall | 15.4 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 85 L | 70 L |
