2005 Alfa Romeo 147 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 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 147 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 187 more horse power than 2005 Alfa Romeo 147. (148 HP @ 3800 RPM) In normal driving conditions, 2006 Infiniti M should accelerate faster than 2005 Alfa Romeo 147.
Because 2006 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 147. 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 280 more torque (in Nm) than 2005 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2006 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 147. 2006 Infiniti M has automatic transmission and 2005 Alfa Romeo 147 has manual transmission. 2005 Alfa Romeo 147 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 Alfa Romeo 147 | 2006 Infiniti M | |
| Make | Alfa Romeo | Infiniti |
| Model | 147 | M |
| Year Released | 2005 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 4494 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 335 HP |
| Engine RPM | 3800 RPM | 6400 RPM |
| Torque | 181 Nm | 461 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Width | 1740 mm | 140 mm |
| Vehicle Height | 1470 mm | 140 mm |
| Fuel Tank Capacity | 60 L | 75 L |
