2005 Infiniti M vs. 2003 Mercedes-Benz S
To start off, 2005 Infiniti M is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz S would be higher. At 3,722 cc (6 cylinders), 2003 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Infiniti M (276 HP @ 6200 RPM) has 34 more horse power than 2003 Mercedes-Benz S. (242 HP @ 5700 RPM). In normal driving conditions, 2005 Infiniti M should accelerate faster than 2003 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti M weights approximately 80 kg more than 2003 Mercedes-Benz S. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2005 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 Infiniti M (366 Nm @ 4800 RPM) has 16 more torque (in Nm) than 2003 Mercedes-Benz S. (350 Nm @ 3000 RPM). This means 2005 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercedes-Benz S.
Compare all specifications:
| 2005 Infiniti M | 2003 Mercedes-Benz S | |
| Make | Infiniti | Mercedes-Benz |
| Model | M | S |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 3722 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 276 HP | 242 HP |
| Engine RPM | 6200 RPM | 5700 RPM |
| Torque | 366 Nm | 350 Nm |
| Torque RPM | 4800 RPM | 3000 RPM |
| Engine Bore Size | 96.1 mm | 97 mm |
| Engine Stroke Size | 81 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1735 kg |
| Vehicle Length | 4900 mm | 5170 mm |
| Vehicle Width | 1800 mm | 1860 mm |
| Vehicle Height | 1520 mm | 1460 mm |
| Wheelbase Size | 2880 mm | 3090 mm |
| Fuel Tank Capacity | 75 L | 62 L |
