2009 BMW X6 vs. 2007 BMW M6
To start off, 2009 BMW X6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW M6. In addition, the cost of maintenance, including insurance, on 2007 BMW M6 would be higher. At 4,999 cc (10 cylinders), 2007 BMW M6 is equipped with a bigger engine. In terms of performance, 2007 BMW M6 (500 HP @ 7750 RPM) has 99 more horse power than 2009 BMW X6. (401 HP @ 5500 RPM) In normal driving conditions, 2007 BMW M6 should accelerate faster than 2009 BMW X6. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 325 kg more than 2007 BMW M6.
Because 2009 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW M6. In wet, icy, snow, or gravel driving conditions, 2009 BMW X6 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 X6 (610 Nm @ 1750 RPM) has 91 more torque (in Nm) than 2007 BMW M6. (519 Nm @ 6100 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW M6. 2009 BMW X6 has automatic transmission and 2007 BMW M6 has manual transmission. 2007 BMW M6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW X6 | 2007 BMW M6 | |
| Make | BMW | BMW |
| Model | X6 | M6 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4395 cc | 4999 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 401 HP | 500 HP |
| Engine RPM | 5500 RPM | 7750 RPM |
| Torque | 610 Nm | 519 Nm |
| Torque RPM | 1750 RPM | 6100 RPM |
| Engine Bore Size | 89 mm | 92 mm |
| Engine Stroke Size | 88.3 mm | 75.2 mm |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 249 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2265 kg | 1940 kg |
| Vehicle Length | 4880 mm | 4880 mm |
| Vehicle Width | 1990 mm | 1860 mm |
| Vehicle Height | 1700 mm | 1380 mm |
| Wheelbase Size | 2940 mm | 2790 mm |
| Fuel Consumption Highway | 13.1 L/100km | 12.5 L/100km |
| Fuel Consumption City | 19.6 L/100km | 19.8 L/100km |
| Fuel Consumption Overall | 12.5 L/100km | 17 L/100km |
| Fuel Tank Capacity | 85 L | 70 L |
