2004 Infiniti QX56 vs. 2005 Mercedes-Benz R
To start off, 2005 Mercedes-Benz R 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, 2004 Infiniti QX56 (315 HP) has 13 more horse power than 2005 Mercedes-Benz R. (302 HP). In normal driving conditions, 2004 Infiniti QX56 should accelerate faster than 2005 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2004 Infiniti QX56 weights approximately 191 kg more than 2005 Mercedes-Benz R. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2004 Infiniti QX56. In wet, icy, snow, or gravel driving conditions, 2005 Mercedes-Benz R 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, 2004 Infiniti QX56 (529 Nm) has 68 more torque (in Nm) than 2005 Mercedes-Benz R. (461 Nm). This means 2004 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz R.
Compare all specifications:
| 2004 Infiniti QX56 | 2005 Mercedes-Benz R | |
| Make | Infiniti | Mercedes-Benz |
| Model | QX56 | R |
| Year Released | 2004 | 2005 |
| Body Type | SUV | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5556 cc | 4966 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 315 HP | 302 HP |
| Torque | 529 Nm | 461 Nm |
| Engine Bore Size | 98 mm | 97 mm |
| Engine Stroke Size | 92 mm | 84 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2431 kg | 2240 kg |
| Vehicle Length | 5260 mm | 5160 mm |
| Vehicle Width | 2010 mm | 1930 mm |
| Vehicle Height | 1980 mm | 1660 mm |
| Wheelbase Size | 3140 mm | 2860 mm |
| Fuel Tank Capacity | 106 L | 80 L |
