2004 Infiniti QX56 vs. 2005 Mercedes-Benz S
To start off, 2005 Mercedes-Benz S is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2004 Infiniti QX56 would be higher. At 5,556 cc (8 cylinders), 2004 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (493 HP) has 178 more horse power than 2004 Infiniti QX56. (315 HP) In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 2004 Infiniti QX56. With that said, vehicle weight also plays an important factor in acceleration. 2004 Infiniti QX56 weights approximately 481 kg more than 2005 Mercedes-Benz S.
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, 2005 Mercedes-Benz S (700 Nm) has 171 more torque (in Nm) than 2004 Infiniti QX56. (529 Nm). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2004 Infiniti QX56.
Compare all specifications:
| 2004 Infiniti QX56 | 2005 Mercedes-Benz S | |
| Make | Infiniti | Mercedes-Benz |
| Model | QX56 | S |
| Year Released | 2004 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5556 cc | 5441 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 315 HP | 493 HP |
| Torque | 529 Nm | 700 Nm |
| Engine Bore Size | 98 mm | 97 mm |
| Engine Stroke Size | 92 mm | 92 mm |
| Engine Compression Ratio | 9.8:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2431 kg | 1950 kg |
| Vehicle Length | 5260 mm | 5170 mm |
| Vehicle Width | 2010 mm | 1860 mm |
| Vehicle Height | 1980 mm | 1460 mm |
| Wheelbase Size | 3140 mm | 3090 mm |
| Fuel Consumption Highway | 12.4 L/100km | 10.7 L/100km |
| Fuel Consumption City | 18.1 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 106 L | 88 L |
