2006 Audi A4 vs. 2007 Infiniti M
To start off, 2007 Infiniti M is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 3,496 cc (6 cylinders), 2007 Infiniti M is equipped with a bigger engine. In terms of performance, 2007 Infiniti M (275 HP @ 6200 RPM) has 74 more horse power than 2006 Audi A4. (201 HP @ 4000 RPM) In normal driving conditions, 2007 Infiniti M should accelerate faster than 2006 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 Audi A4 (450 Nm @ 1400 RPM) has 87 more torque (in Nm) than 2007 Infiniti M. (363 Nm @ 4800 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Infiniti M. 2007 Infiniti M has automatic transmission and 2006 Audi A4 has manual transmission. 2006 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A4 | 2007 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A4 | M |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 3496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 275 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 450 Nm | 363 Nm |
| Torque RPM | 1400 RPM | 4800 RPM |
| Engine Bore Size | 83 mm | 95.5 mm |
| Engine Stroke Size | 91.4 mm | 81.4 mm |
| Engine Compression Ratio | 17.0:1 | 10.3:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4590 mm | 4900 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1530 mm |
| Wheelbase Size | 2650 mm | 2910 mm |
| Fuel Consumption Overall | 7.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 63 L | 76 L |
