2005 Mercedes-Benz C vs. 2011 Infiniti M
To start off, 2011 Infiniti M is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz C would be higher. At 5,600 cc (8 cylinders), 2011 Infiniti M is equipped with a bigger engine. In terms of performance, 2011 Infiniti M (420 HP @ 6000 RPM) has 245 more horse power than 2005 Mercedes-Benz C. (175 HP @ 5500 RPM) In normal driving conditions, 2011 Infiniti M should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti M weights approximately 236 kg more than 2005 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2011 Infiniti M (565 Nm @ 4400 RPM) has 325 more torque (in Nm) than 2005 Mercedes-Benz C. (240 Nm @ 4500 RPM). This means 2011 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C.
Compare all specifications:
| 2005 Mercedes-Benz C | 2011 Infiniti M | |
| Make | Mercedes-Benz | Infiniti |
| Model | C | M |
| Year Released | 2005 | 2011 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2685 cc | 5600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 175 HP | 420 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 240 Nm | 565 Nm |
| Torque RPM | 4500 RPM | 4400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1680 kg | 1916 kg |
| Vehicle Length | 4550 mm | 4945 mm |
| Vehicle Width | 1730 mm | 1844 mm |
| Vehicle Height | 1450 mm | 1514 mm |
| Wheelbase Size | 2720 mm | 2901 mm |
| Fuel Tank Capacity | 62 L | 76 L |
