2009 Infiniti M vs. 2005 Mercedes-Benz S
To start off, 2009 Infiniti M is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz S would be higher. At 3,498 cc (6 cylinders), 2009 Infiniti M is equipped with a bigger engine. In terms of performance, 2009 Infiniti M (303 HP @ 6800 RPM) has 102 more horse power than 2005 Mercedes-Benz S. (201 HP @ 1800 RPM). In normal driving conditions, 2009 Infiniti M should accelerate faster than 2005 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 48 kg more than 2009 Infiniti M.
Because 2009 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2009 Infiniti M 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, 2005 Mercedes-Benz S (479 Nm @ 1800 RPM) has 124 more torque (in Nm) than 2009 Infiniti M. (355 Nm @ 4800 RPM). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti M.
Compare all specifications:
| 2009 Infiniti M | 2005 Mercedes-Benz S | |
| Make | Infiniti | Mercedes-Benz |
| Model | M | S |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 3220 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 303 HP | 201 HP |
| Engine RPM | 6800 RPM | 1800 RPM |
| Torque | 355 Nm | 479 Nm |
| Torque RPM | 4800 RPM | 1800 RPM |
| Engine Bore Size | 95.5 mm | 88 mm |
| Engine Stroke Size | 81.4 mm | 88.4 mm |
| Engine Compression Ratio | 10.3:1 | 18.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1722 kg | 1770 kg |
| Vehicle Length | 4940 mm | 5050 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1530 mm | 1450 mm |
| Wheelbase Size | 2910 mm | 2910 mm |
| Fuel Consumption Overall | 13.1 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 76 L | 88 L |
