2004 Acura MDX vs. 2011 Infiniti QX56
To start off, 2011 Infiniti QX56 is newer by 7 year(s). Which means there will be less support and parts availability for 2004 Acura MDX. In addition, the cost of maintenance, including insurance, on 2004 Acura MDX would be higher. At 5,600 cc (8 cylinders), 2011 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2011 Infiniti QX56 (400 HP @ 5800 RPM) has 162 more horse power than 2004 Acura MDX. (238 HP @ 5300 RPM) In normal driving conditions, 2011 Infiniti QX56 should accelerate faster than 2004 Acura MDX. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti QX56 weights approximately 570 kg more than 2004 Acura MDX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Acura MDX is four wheel drive (4WD), it will have significant more traction and grip than 2011 Infiniti QX56. In wet, icy, snow, or gravel driving conditions, 2004 Acura MDX 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, 2011 Infiniti QX56 (559 Nm @ 4000 RPM) has 227 more torque (in Nm) than 2004 Acura MDX. (332 Nm @ 3000 RPM). This means 2011 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2004 Acura MDX.
Compare all specifications:
| 2004 Acura MDX | 2011 Infiniti QX56 | |
| Make | Acura | Infiniti |
| Model | MDX | QX56 |
| Year Released | 2004 | 2011 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 3471 cc | 5600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 400 HP |
| Engine RPM | 5300 RPM | 5800 RPM |
| Torque | 332 Nm | 559 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1970 kg | 2540 kg |
| Vehicle Length | 4800 mm | 5291 mm |
| Vehicle Width | 1950 mm | 2029 mm |
| Vehicle Height | 1750 mm | 1925 mm |
| Wheelbase Size | 2710 mm | 3076 mm |
| Fuel Tank Capacity | 65 L | 98 L |
