2006 BMW X5 vs. 2008 BMW M5
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 X5. In addition, the cost of maintenance, including insurance, on 2006 BMW X5 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 218 more horse power than 2006 BMW X5. (282 HP @ 3600 RPM) In normal driving conditions, 2008 BMW M5 should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 440 kg more than 2008 BMW M5.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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 (519 Nm @ 6100 RPM) has 78 more torque (in Nm) than 2006 BMW X5. (441 Nm @ 3600 RPM). This means 2008 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5. 2006 BMW X5 has automatic transmission and 2008 BMW M5 has manual transmission. 2008 BMW M5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW X5 | 2008 BMW M5 | |
| Make | BMW | BMW |
| Model | X5 | M5 |
| Year Released | 2006 | 2008 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4999 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 500 HP |
| Engine RPM | 3600 RPM | 7750 RPM |
| Torque | 441 Nm | 519 Nm |
| Torque RPM | 3600 RPM | 6100 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 206 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 4.7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2195 kg | 1755 kg |
| Vehicle Length | 4670 mm | 4870 mm |
| Vehicle Width | 1880 mm | 1850 mm |
| Vehicle Height | 1710 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2890 mm |
| Fuel Consumption Overall | 13.9 L/100km | 14 L/100km |
| Fuel Tank Capacity | 93 L | 70 L |
