2005 BMW X5 vs. 2008 BMW M6
To start off, 2008 BMW M6 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 4,999 cc (10 cylinders), 2008 BMW M6 is equipped with a bigger engine. In terms of performance, 2008 BMW M6 (500 HP @ 7750 RPM) has 285 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2008 BMW M6 should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 165 kg more than 2008 BMW M6.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW M6. In wet, icy, snow, or gravel driving conditions, 2005 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, both vehicles can yield 520 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 BMW X5 | 2008 BMW M6 | |
| Make | BMW | BMW |
| Model | X5 | M6 |
| Year Released | 2005 | 2008 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 4999 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 500 HP |
| Engine RPM | 4000 RPM | 7750 RPM |
| Torque | 520 Nm | 520 Nm |
| Torque RPM | 2000 RPM | 6100 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 90 mm | 75.2 mm |
| Engine Compression Ratio | 18.0:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 210 km/hour | 205 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 4.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2170 kg | 2005 kg |
| Vehicle Length | 4670 mm | 4880 mm |
| Vehicle Width | 1880 mm | 1860 mm |
| Vehicle Height | 1720 mm | 1380 mm |
| Wheelbase Size | 2830 mm | 2790 mm |
| Fuel Consumption Overall | 8.6 L/100km | 15.4 L/100km |
| Fuel Tank Capacity | 93 L | 70 L |
