2006 Audi S4 vs. 2009 Infiniti M
To start off, 2009 Infiniti M is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 6800 RPM) has 37 more horse power than 2009 Infiniti M. (303 HP @ 6800 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2009 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti M weights approximately 192 kg more than 2006 Audi S4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 55 more torque (in Nm) than 2009 Infiniti M. (355 Nm @ 4800 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti M.
Compare all specifications:
| 2006 Audi S4 | 2009 Infiniti M | |
| Make | Audi | Infiniti |
| Model | S4 | M |
| Year Released | 2006 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 303 HP |
| Engine RPM | 6800 RPM | 6800 RPM |
| Torque | 410 Nm | 355 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Drive Type | 4WD | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1530 kg | 1722 kg |
| Vehicle Length | 4580 mm | 4940 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1530 mm |
| Wheelbase Size | 2660 mm | 2910 mm |
| Fuel Consumption Highway | 10.8 L/100km | 10.7 L/100km |
| Fuel Consumption City | 15.8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 13.2 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 63 L | 76 L |
