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 55 more horse power than 2005 Audi A4. (220 HP @ 6500 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 63 more torque (in Nm) than 2005 Audi A4. (300 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 | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 275 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 300 Nm | 363 Nm |
| Engine Compression Ratio | 10.1:1 | 10.3:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4580 mm | 4900 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1520 mm |
| Wheelbase Size | 2580 mm | 2910 mm |
| Fuel Consumption | 9.4 L/100km | 9.4 L/100km |
| Fuel Consumption City | 13.1 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 66 L | 76 L |
