2008 BMW M5 vs. 2006 BMW X3
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 X3. In addition, the cost of maintenance, including insurance, on 2006 BMW X3 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 272 more horse power than 2006 BMW X3. (228 HP @ 5900 RPM). In normal driving conditions, 2008 BMW M5 should accelerate faster than 2006 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X3 weights approximately 80 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 219 more torque (in Nm) than 2006 BMW X3. (300 Nm @ 3500 RPM). This means 2008 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X3.
Compare all specifications:
| 2008 BMW M5 | 2006 BMW X3 | |
| Make | BMW | BMW |
| Model | M5 | X3 |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2978 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 228 HP |
| Engine RPM | 7750 RPM | 5900 RPM |
| Torque | 519 Nm | 300 Nm |
| Torque RPM | 6100 RPM | 3500 RPM |
| Engine Compression Ratio | 12.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 245 km/hour | 210 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 7.8 seconds |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1755 kg | 1835 kg |
| Vehicle Length | 4870 mm | 4570 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1680 mm |
| Wheelbase Size | 2890 mm | 2800 mm |
| Fuel Consumption Highway | 13.1 L/100km | 9.4 L/100km |
| Fuel Consumption Overall | 14 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
