2007 Infiniti M vs. 2011 Audi S4
To start off, 2011 Audi S4 is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Infiniti M. In addition, the cost of maintenance, including insurance, on 2007 Infiniti M would be higher. At 3,498 cc (6 cylinders), 2007 Infiniti M is equipped with a bigger engine. In terms of performance, 2011 Audi S4 (333 HP @ 5500 RPM) has 58 more horse power than 2007 Infiniti M. (275 HP @ 6200 RPM) In normal driving conditions, 2011 Audi S4 should accelerate faster than 2007 Infiniti M.
Because 2011 Audi S4 is all wheel drive (AWD), it will have significant more traction and grip than 2007 Infiniti M. In wet, icy, snow, or gravel driving conditions, 2011 Audi S4 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 Audi S4 (440 Nm @ 2900 RPM) has 77 more torque (in Nm) than 2007 Infiniti M. (363 Nm @ 4800 RPM). This means 2011 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Infiniti M. 2007 Infiniti M has automatic transmission and 2011 Audi S4 has manual transmission. 2011 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Infiniti M | 2011 Audi S4 | |
| Make | Infiniti | Audi |
| Model | M | S4 |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 275 HP | 333 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 363 Nm | 440 Nm |
| Torque RPM | 4800 RPM | 2900 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4900 mm | 4704 mm |
| Vehicle Width | 1800 mm | 1829 mm |
| Vehicle Height | 1520 mm | 1427 mm |
| Wheelbase Size | 2910 mm | 2809 mm |
| Fuel Tank Capacity | 76 L | 64 L |
