2005 Audi S4 vs. 2011 Infiniti M
To start off, 2011 Infiniti M is newer by 6 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 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 105 more horse power than 2011 Infiniti M. (235 HP @ 3750 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2011 Infiniti M.
Let's talk about torque, 2011 Infiniti M (550 Nm) has 140 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2011 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2011 Infiniti M | |
| Make | Audi | Infiniti |
| Model | S4 | M |
| Year Released | 2005 | 2011 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 235 HP |
| Engine RPM | 6300 RPM | 3750 RPM |
| Torque | 410 Nm | 550 Nm |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4580 mm | 4945 mm |
| Vehicle Width | 1780 mm | 1844 mm |
| Vehicle Height | 1400 mm | 1501 mm |
| Wheelbase Size | 2660 mm | 2901 mm |
| Fuel Tank Capacity | 63 L | 67 L |
