2009 Alfa Romeo 159 vs. 2013 Infiniti M
To start off, 2013 Infiniti M is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Alfa Romeo 159. In addition, the cost of maintenance, including insurance, on 2009 Alfa Romeo 159 would be higher. At 3,696 cc (4 cylinders), 2013 Infiniti M is equipped with a bigger engine. In terms of performance, 2013 Infiniti M (298 HP @ 6800 RPM) has 91 more horse power than 2009 Alfa Romeo 159. (207 HP @ 4000 RPM) In normal driving conditions, 2013 Infiniti M should accelerate faster than 2009 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti M weights approximately 45 kg more than 2009 Alfa Romeo 159. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 Alfa Romeo 159 (401 Nm @ 1500 RPM) has 51 more torque (in Nm) than 2013 Infiniti M. (350 Nm @ 5000 RPM). This means 2009 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2013 Infiniti M.
Compare all specifications:
| 2009 Alfa Romeo 159 | 2013 Infiniti M | |
| Make | Alfa Romeo | Infiniti |
| Model | 159 | M |
| Year Released | 2009 | 2013 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 3696 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 207 HP | 298 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 401 Nm | 350 Nm |
| Torque RPM | 1500 RPM | 5000 RPM |
| Engine Bore Size | 82 mm | 95 mm |
| Engine Stroke Size | 90.4 mm | 81 mm |
| Fuel Type | Diesel | Gasoline / Electric Hybrid |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1770 kg | 1815 kg |
| Vehicle Length | 4670 mm | 4945 mm |
| Vehicle Width | 1840 mm | 1845 mm |
| Vehicle Height | 1460 mm | 1515 mm |
| Wheelbase Size | 2710 mm | 2900 mm |
