2008 Audi A4 vs. 2007 Infiniti M
To start off, 2008 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Infiniti M. In addition, the cost of maintenance, including insurance, on 2007 Infiniti M 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 114 more horse power than 2008 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2007 Infiniti M should accelerate faster than 2008 Audi A4.
Because 2008 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, 2008 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 @ 4800 RPM) has 138 more torque (in Nm) than 2008 Audi A4. (225 Nm @ 1950 RPM). This means 2007 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4. 2007 Infiniti M has automatic transmission and 2008 Audi A4 has manual transmission. 2008 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:
| 2008 Audi A4 | 2007 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A4 | M |
| Year Released | 2008 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 275 HP |
| Engine RPM | 5700 RPM | 6200 RPM |
| Torque | 225 Nm | 363 Nm |
| Torque RPM | 1950 RPM | 4800 RPM |
| Engine Compression Ratio | 9.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| 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 | 2660 mm | 2910 mm |
| Fuel Consumption Overall | 9.4 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 66 L | 76 L |
