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 207 more horse power than 2005 Audi A4. (128 HP @ 5700 RPM) In normal driving conditions, 2006 Infiniti M should accelerate faster than 2005 Audi A4.
Because 2006 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A4. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti M 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, 2006 Infiniti M (461 Nm @ 4000 RPM) has 266 more torque (in Nm) than 2005 Audi A4. (195 Nm @ 3300 RPM). This means 2006 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4. 2006 Infiniti M has automatic transmission and 2005 Audi A4 has manual transmission. 2005 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:
| 2005 Audi A4 | 2006 Infiniti M | |
| Make | Audi | Infiniti |
| Model | A4 | M |
| Year Released | 2005 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4494 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 128 HP | 335 HP |
| Engine RPM | 5700 RPM | 6400 RPM |
| Torque | 195 Nm | 461 Nm |
| Torque RPM | 3300 RPM | 4000 RPM |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Width | 1780 mm | 140 mm |
| Vehicle Height | 1430 mm | 140 mm |
| Fuel Tank Capacity | 70 L | 75 L |
