2003 Infiniti M vs. 2007 Mercedes-Benz S
To start off, 2007 Mercedes-Benz S is newer by 4 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 72 more horse power than 2007 Mercedes-Benz S. (268 HP @ 6000 RPM). In normal driving conditions, 2003 Infiniti M should accelerate faster than 2007 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz S weights approximately 178 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 100 more torque (in Nm) than 2007 Mercedes-Benz S. (351 Nm @ 2400 RPM). This means 2003 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz S.
Compare all specifications:
| 2003 Infiniti M | 2007 Mercedes-Benz S | |
| Make | Infiniti | Mercedes-Benz |
| Model | M | S |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 268 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 451 Nm | 351 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Engine Bore Size | 93 mm | 92.9 mm |
| Engine Stroke Size | 82.7 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| 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 | 1925 kg |
| Vehicle Length | 5020 mm | 5210 mm |
| Vehicle Width | 1780 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1480 mm |
| Wheelbase Size | 2810 mm | 3170 mm |
| Fuel Tank Capacity | 79 L | 90 L |
