2009 BMW M6 vs. 2008 Infiniti QX56
To start off, 2009 BMW M6 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2008 Infiniti QX56 would be higher. At 5,550 cc (8 cylinders), 2008 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 BMW M6 (500 HP @ 7750 RPM) has 180 more horse power than 2008 Infiniti QX56. (320 HP @ 5200 RPM). In normal driving conditions, 2009 BMW M6 should accelerate faster than 2008 Infiniti QX56. With that said, vehicle weight also plays an important factor in acceleration. 2008 Infiniti QX56 weights approximately 40 kg more than 2009 BMW M6.
Because 2008 Infiniti QX56 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 Infiniti QX56 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, 2008 Infiniti QX56 (533 Nm @ 3400 RPM) has 14 more torque (in Nm) than 2009 BMW M6. (519 Nm @ 6100 RPM). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW M6. 2008 Infiniti QX56 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 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW M6 | 2008 Infiniti QX56 | |
| Make | BMW | Infiniti |
| Model | M6 | QX56 |
| Year Released | 2009 | 2008 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 5550 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 320 HP |
| Engine RPM | 7750 RPM | 5200 RPM |
| Torque | 519 Nm | 533 Nm |
| Torque RPM | 6100 RPM | 3400 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1280 kg | 1320 kg |
| Vehicle Length | 4880 mm | 5260 mm |
| Vehicle Width | 1860 mm | 2030 mm |
| Vehicle Height | 1380 mm | 1960 mm |
| Wheelbase Size | 2790 mm | 3140 mm |
| Fuel Consumption Highway | 14 L/100km | 13.1 L/100km |
| Fuel Consumption City | 21.5 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 18.2 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 70 L | 106 L |
