2007 Audi S4 vs. 2011 Infiniti M
To start off, 2011 Infiniti M is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Audi S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (339 HP @ 7000 RPM) has 9 more horse power than 2011 Infiniti M. (330 HP @ 7000 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2011 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti M weights approximately 133 kg more than 2007 Audi S4.
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 Audi S4 (410 Nm @ 3500 RPM) has 44 more torque (in Nm) than 2011 Infiniti M. (366 Nm @ 5200 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2011 Infiniti M.
Compare all specifications:
| 2007 Audi S4 | 2011 Infiniti M | |
| Make | Audi | Infiniti |
| Model | S4 | M |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3700 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 330 HP |
| Engine RPM | 7000 RPM | 7000 RPM |
| Torque | 410 Nm | 366 Nm |
| Torque RPM | 3500 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1710 kg | 1843 kg |
| Vehicle Length | 4590 mm | 4945 mm |
| Vehicle Width | 1780 mm | 1844 mm |
| Vehicle Height | 1430 mm | 1514 mm |
| Wheelbase Size | 2650 mm | 2901 mm |
| Fuel Tank Capacity | 63 L | 76 L |
