2008 BMW X5 vs. 2013 BMW M6
To start off, 2013 BMW M6 is newer by 5 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 4,799 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2013 BMW M6 (552 HP @ 6000 RPM) has 202 more horse power than 2008 BMW X5. (350 HP @ 6300 RPM) In normal driving conditions, 2013 BMW M6 should accelerate faster than 2008 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW M6 weights approximately 376 kg more than 2008 BMW X5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2013 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, 2013 BMW M6 (678 Nm @ 5750 RPM) has 203 more torque (in Nm) than 2008 BMW X5. (475 Nm @ 3400 RPM). This means 2013 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5.
Compare all specifications:
| 2008 BMW X5 | 2013 BMW M6 | |
| Make | BMW | BMW |
| Model | X5 | M6 |
| Year Released | 2008 | 2013 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 552 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 475 Nm | 678 Nm |
| Torque RPM | 3400 RPM | 5750 RPM |
| Engine Bore Size | 93 mm | 89 mm |
| Engine Stroke Size | 88.3 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.0 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 7-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1554 kg | 1930 kg |
| Vehicle Length | 4860 mm | 4903 mm |
| Vehicle Width | 1940 mm | 2106 mm |
| Vehicle Height | 1740 mm | 1374 mm |
| Wheelbase Size | 2940 mm | 2851 mm |
| Fuel Consumption Highway | 12.4 L/100km | 8.6 L/100km |
| Fuel Consumption City | 16.8 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 85 L | 80 L |
