2007 Audi A4 vs. 2006 Infiniti M
To start off, 2007 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Infiniti M. In addition, the cost of maintenance, including insurance, on 2006 Infiniti M 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 83 more horse power than 2007 Audi A4. (252 HP @ 6500 RPM) In normal driving conditions, 2006 Infiniti M should accelerate faster than 2007 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 131 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2006 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4. 2006 Infiniti M has automatic transmission and 2007 Audi A4 has manual transmission. 2007 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 2006 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A4 | M |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3188 cc | 4494 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 335 HP |
| Engine RPM | 6500 RPM | 6400 RPM |
| Torque | 330 Nm | 461 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Width | 1780 mm | 140 mm |
| Vehicle Height | 1430 mm | 140 mm |
| Fuel Tank Capacity | 70 L | 75 L |
