2009 BMW M5 vs. 2008 BMW X5
To start off, 2009 BMW M5 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW X5. In addition, the cost of maintenance, including insurance, on 2008 BMW X5 would be higher. At 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP @ 7750 RPM) has 272 more horse power than 2008 BMW X5. (228 HP @ 5900 RPM). In normal driving conditions, 2009 BMW M5 should accelerate faster than 2008 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 244 kg more than 2009 BMW M5.
Because 2009 BMW M5 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW M5. However, in wet, icy, snow, or gravel driving conditions, 2008 BMW X5, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 BMW M5 (520 Nm @ 6100 RPM) has 219 more torque (in Nm) than 2008 BMW X5. (301 Nm @ 3500 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5. 2009 BMW M5 has automatic transmission and 2008 BMW X5 has manual transmission. 2008 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW M5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW M5 | 2008 BMW X5 | |
| Make | BMW | BMW |
| Model | M5 | X5 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2979 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 | 520 Nm | 301 Nm |
| Torque RPM | 6100 RPM | 3500 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 75.2 mm | 89.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 9.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1836 kg | 2080 kg |
| Vehicle Length | 4860 mm | 4870 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2900 mm | 2830 mm |
| Fuel Consumption Overall | 14.8 L/100km | 14.2 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
