2006 Audi RS4 vs. 2005 Infiniti M
To start off, 2006 Audi RS4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Infiniti M. In addition, the cost of maintenance, including insurance, on 2005 Infiniti M would be higher. At 4,163 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (420 HP @ 8250 RPM) has 144 more horse power than 2005 Infiniti M. (276 HP @ 6200 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 2005 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti M weights approximately 266 kg more than 2006 Audi RS4.
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 RS4 (583 Nm @ 5500 RPM) has 217 more torque (in Nm) than 2005 Infiniti M. (366 Nm @ 4800 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Infiniti M. 2005 Infiniti M has automatic transmission and 2006 Audi RS4 has manual transmission. 2006 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi RS4 | 2005 Infiniti M | |
| Make | Audi | Infiniti |
| Model | RS4 | M |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 420 HP | 276 HP |
| Engine RPM | 8250 RPM | 6200 RPM |
| Torque | 583 Nm | 366 Nm |
| Torque RPM | 5500 RPM | 4800 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1549 kg | 1815 kg |
| Vehicle Length | 360 mm | 4900 mm |
| Vehicle Height | 360 mm | 1520 mm |
| Wheelbase Size | 360 mm | 2880 mm |
