2005 BMW M6 vs. 2012 BMW X5
To start off, 2012 BMW X5 is newer by 7 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 256 more horse power than 2012 BMW X5. (244 HP @ 4000 RPM). In normal driving conditions, 2005 BMW M6 should accelerate faster than 2012 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X5 weights approximately 365 kg more than 2005 BMW M6.
Because 2012 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 2005 BMW M6. In wet, icy, snow, or gravel driving conditions, 2012 BMW X5 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, 2012 BMW X5 (540 Nm @ 1750 RPM) has 40 more torque (in Nm) than 2005 BMW M6. (500 Nm @ 6100 RPM). This means 2012 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW M6.
Compare all specifications:
| 2005 BMW M6 | 2012 BMW X5 | |
| Make | BMW | BMW |
| Model | M6 | X5 |
| Year Released | 2005 | 2012 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4998 cc | 2993 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 244 HP |
| Engine RPM | 7750 RPM | 4000 RPM |
| Torque | 500 Nm | 540 Nm |
| Torque RPM | 6100 RPM | 1750 RPM |
| Engine Bore Size | 92 mm | 90 mm |
| Engine Stroke Size | 75.2 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 209 km/hour |
| Acceleration 0-100mph | 4.6 seconds | 7.6 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1785 kg | 2150 kg |
| Vehicle Length | 4880 mm | 4857 mm |
| Vehicle Width | 1860 mm | 1933 mm |
| Vehicle Height | 1380 mm | 1776 mm |
| Wheelbase Size | 2890 mm | 2933 mm |
| Fuel Consumption Overall | 14.8 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
