2004 BMW X5 vs. 2006 BMW M5
To start off, 2006 BMW M5 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW X5. In addition, the cost of maintenance, including insurance, on 2004 BMW X5 would be higher. At 4,998 cc (10 cylinders), 2006 BMW M5 is equipped with a bigger engine. In terms of performance, 2006 BMW M5 (500 HP @ 7750 RPM) has 145 more horse power than 2004 BMW X5. (355 HP @ 7400 RPM) In normal driving conditions, 2006 BMW M5 should accelerate faster than 2004 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW X5 weights approximately 520 kg more than 2006 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, 2006 BMW M5 (519 Nm) has 19 more torque (in Nm) than 2004 BMW X5. (500 Nm). This means 2006 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW X5.
Compare all specifications:
| 2004 BMW X5 | 2006 BMW M5 | |
| Make | BMW | BMW |
| Model | X5 | M5 |
| Year Released | 2004 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4802 cc | 4998 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 355 HP | 500 HP |
| Engine RPM | 7400 RPM | 7750 RPM |
| Torque | 500 Nm | 519 Nm |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2275 kg | 1755 kg |
| Vehicle Length | 4670 mm | 4860 mm |
| Vehicle Width | 1880 mm | 1850 mm |
| Vehicle Height | 1760 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2890 mm |
| Fuel Tank Capacity | 92 L | 70 L |
