2005 Acura RSX vs. 2007 Infiniti QX56
To start off, 2007 Infiniti QX56 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Acura RSX. In addition, the cost of maintenance, including insurance, on 2005 Acura RSX would be higher. At 5,552 cc (8 cylinders), 2007 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2007 Infiniti QX56 (320 HP @ 4900 RPM) has 110 more horse power than 2005 Acura RSX. (210 HP @ 5600 RPM) In normal driving conditions, 2007 Infiniti QX56 should accelerate faster than 2005 Acura RSX.
Because 2007 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Acura RSX. In wet, icy, snow, or gravel driving conditions, 2007 Infiniti QX56 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, 2007 Infiniti QX56 (533 Nm) has 339 more torque (in Nm) than 2005 Acura RSX. (194 Nm). This means 2007 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2005 Acura RSX.
Compare all specifications:
| 2005 Acura RSX | 2007 Infiniti QX56 | |
| Make | Acura | Infiniti |
| Model | RSX | QX56 |
| Year Released | 2005 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 5552 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 210 HP | 320 HP |
| Engine RPM | 5600 RPM | 4900 RPM |
| Torque | 194 Nm | 533 Nm |
| Drive Type | Front | 4WD |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4390 mm | 5260 mm |
| Vehicle Width | 1730 mm | 2010 mm |
| Vehicle Height | 1400 mm | 1980 mm |
| Wheelbase Size | 2810 mm | 3140 mm |
| Fuel Consumption | 7.6 L/100km | 13.1 L/100km |
| Fuel Consumption City | 10.2 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 9.1 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 50 L | 106 L |
