2003 Infiniti M vs. 2005 Mercedes-Benz S
To start off, 2005 Mercedes-Benz S is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Infiniti M. In addition, the cost of maintenance, including insurance, on 2003 Infiniti M would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti M is equipped with a bigger engine. In terms of performance, 2003 Infiniti M (340 HP @ 6400 RPM) has 98 more horse power than 2005 Mercedes-Benz S. (242 HP @ 3000 RPM). In normal driving conditions, 2003 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 168 kg more than 2003 Infiniti M.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2003 Infiniti M (451 Nm @ 4000 RPM) has 101 more torque (in Nm) than 2005 Mercedes-Benz S. (350 Nm @ 3000 RPM). This means 2003 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz S.
Compare all specifications:
| 2003 Infiniti M | 2005 Mercedes-Benz S | |
| Make | Infiniti | Mercedes-Benz |
| Model | M | S |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 3723 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 340 HP | 242 HP |
| Engine RPM | 6400 RPM | 3000 RPM |
| Torque | 451 Nm | 350 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 97 mm |
| Engine Stroke Size | 82.7 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1747 kg | 1915 kg |
| Vehicle Length | 5020 mm | 5050 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2810 mm | 2840 mm |
| Fuel Tank Capacity | 79 L | 88 L |
