2005 Audi S4 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 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 5,552 cc (8 cylinders), 2007 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 20 more horse power than 2007 Infiniti QX56. (320 HP @ 4900 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2007 Infiniti QX56.
Let's talk about torque, 2007 Infiniti QX56 (533 Nm) has 123 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2007 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2007 Infiniti QX56 | |
| Make | Audi | Infiniti |
| Model | S4 | QX56 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5552 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 320 HP |
| Engine RPM | 6300 RPM | 4900 RPM |
| Torque | 410 Nm | 533 Nm |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4550 mm | 5260 mm |
| Vehicle Width | 1770 mm | 2010 mm |
| Vehicle Height | 1430 mm | 1980 mm |
| Wheelbase Size | 2660 mm | 3140 mm |
| Fuel Consumption | 11.2 L/100km | 13.1 L/100km |
| Fuel Consumption City | 15.7 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 63 L | 106 L |
