2009 BMW M6 vs. 2008 BMW X5
To start off, 2009 BMW M6 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 M6 is equipped with a bigger engine. In terms of performance, 2009 BMW M6 (500 HP @ 7750 RPM) has 240 more horse power than 2008 BMW X5. (260 HP @ 6600 RPM). In normal driving conditions, 2009 BMW M6 should accelerate faster than 2008 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 270 kg more than 2009 BMW M6.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW M6. In wet, icy, snow, or gravel driving conditions, 2008 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, 2009 BMW M6 (519 Nm @ 6100 RPM) has 214 more torque (in Nm) than 2008 BMW X5. (305 Nm @ 2750 RPM). This means 2009 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5. 2008 BMW X5 has automatic transmission and 2009 BMW M6 has manual transmission. 2009 BMW M6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW M6 | 2008 BMW X5 | |
| Make | BMW | BMW |
| Model | M6 | X5 |
| Year Released | 2009 | 2008 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 3001 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 260 HP |
| Engine RPM | 7750 RPM | 6600 RPM |
| Torque | 519 Nm | 305 Nm |
| Torque RPM | 6100 RPM | 2750 RPM |
| Engine Compression Ratio | 12.0:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1280 kg | 1550 kg |
| Vehicle Length | 4880 mm | 4860 mm |
| Vehicle Width | 1860 mm | 1940 mm |
| Vehicle Height | 1380 mm | 1770 mm |
| Wheelbase Size | 2790 mm | 2940 mm |
| Fuel Consumption Highway | 14 L/100km | 11.2 L/100km |
| Fuel Consumption City | 21.5 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 18.2 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
