2009 Audi A4 vs. 2012 Infiniti M
To start off, 2012 Infiniti M is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Audi A4. In addition, the cost of maintenance, including insurance, on 2009 Audi A4 would be higher. At 3,700 cc (6 cylinders), 2012 Infiniti M is equipped with a bigger engine. In terms of performance, 2012 Infiniti M (330 HP @ 7000 RPM) has 172 more horse power than 2009 Audi A4. (158 HP @ 4500 RPM) In normal driving conditions, 2012 Infiniti M should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2012 Infiniti M weights approximately 816 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Infiniti M is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2012 Infiniti M. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2012 Infiniti M (366 Nm @ 5200 RPM) has 116 more torque (in Nm) than 2009 Audi A4. (250 Nm @ 1500 RPM). This means 2012 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2012 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A4 | M |
| Year Released | 2009 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 3700 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 330 HP |
| Engine RPM | 4500 RPM | 7000 RPM |
| Torque | 250 Nm | 366 Nm |
| Torque RPM | 1500 RPM | 5200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 930 kg | 1746 kg |
| Vehicle Length | 4710 mm | 4945 mm |
| Vehicle Width | 2010 mm | 1844 mm |
| Vehicle Height | 1430 mm | 1501 mm |
| Wheelbase Size | 2810 mm | 2901 mm |
| Fuel Tank Capacity | 65 L | 76 L |
