2005 Audi A4 vs. 2006 Infiniti M
To start off, 2006 Infiniti M is newer by 1 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 4,494 cc (8 cylinders), 2006 Infiniti M is equipped with a bigger engine. In terms of performance, 2006 Infiniti M (335 HP @ 6400 RPM) has 115 more horse power than 2005 Audi A4. (220 HP @ 6300 RPM) In normal driving conditions, 2006 Infiniti M should accelerate faster than 2005 Audi A4.
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 Infiniti M (461 Nm @ 4000 RPM) has 161 more torque (in Nm) than 2005 Audi A4. (300 Nm @ 3200 RPM). This means 2006 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 | 2006 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A4 | M |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 4494 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 335 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 300 Nm | 461 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Compression Ratio | 10.1:1 | 10.5:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Width | 1770 mm | 140 mm |
| Vehicle Height | 1430 mm | 140 mm |
| Fuel Tank Capacity | 66 L | 75 L |
