2009 BMW M6 vs. 2012 Mercedes-Benz CLS
To start off, 2012 Mercedes-Benz CLS is newer by 3 year(s). Which means there will be less support and parts availability for 2009 BMW M6. In addition, the cost of maintenance, including insurance, on 2009 BMW M6 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 98 more horse power than 2012 Mercedes-Benz CLS. (402 HP @ 5000 RPM). In normal driving conditions, 2009 BMW M6 should accelerate faster than 2012 Mercedes-Benz CLS. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M6 weights approximately 69 kg more than 2012 Mercedes-Benz CLS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Mercedes-Benz CLS is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW M6. In wet, icy, snow, or gravel driving conditions, 2012 Mercedes-Benz CLS 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, 2012 Mercedes-Benz CLS (600 Nm @ 1800 RPM) has 80 more torque (in Nm) than 2009 BMW M6. (520 Nm @ 6100 RPM). This means 2012 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW M6. 2012 Mercedes-Benz CLS 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. 2012 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW M6 | 2012 Mercedes-Benz CLS | |
| Make | BMW | Mercedes-Benz |
| Model | M6 | CLS |
| Year Released | 2009 | 2012 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 4663 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 402 HP |
| Engine RPM | 7750 RPM | 5000 RPM |
| Torque | 520 Nm | 600 Nm |
| Torque RPM | 6100 RPM | 1800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2005 kg | 1936 kg |
| Vehicle Length | 4880 mm | 4940 mm |
| Vehicle Width | 1860 mm | 1882 mm |
| Vehicle Height | 1380 mm | 1417 mm |
| Wheelbase Size | 2790 mm | 2875 mm |
| Fuel Tank Capacity | 70 L | 80 L |
