2005 Audi A4 vs. 2007 Infiniti M
To start off, 2007 Infiniti M is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 3,498 cc (6 cylinders), 2007 Infiniti M is equipped with a bigger engine. In terms of performance, 2007 Infiniti M (275 HP @ 6200 RPM) has 101 more horse power than 2005 Audi A4. (174 HP @ 4000 RPM) In normal driving conditions, 2007 Infiniti M should accelerate faster than 2005 Audi A4.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Infiniti M. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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, 2007 Infiniti M (363 Nm) has 133 more torque (in Nm) than 2005 Audi A4. (230 Nm). This means 2007 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2007 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A4 | M |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1785 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 174 HP | 275 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 230 Nm | 363 Nm |
| Engine Compression Ratio | 9.3:1 | 10.3:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4550 mm | 4900 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1520 mm |
| Wheelbase Size | 2660 mm | 2910 mm |
| Fuel Consumption | 7.8 L/100km | 9.4 L/100km |
| Fuel Consumption City | 11.2 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 63 L | 76 L |
