2005 Alfa Romeo 159 vs. 2006 Infiniti FX
To start off, 2006 Infiniti FX is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 159. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 159 would be higher. At 3,491 cc (6 cylinders), 2006 Infiniti FX is equipped with a bigger engine. In terms of performance, 2006 Infiniti FX (280 HP @ 6200 RPM) has 83 more horse power than 2005 Alfa Romeo 159. (197 HP @ 4000 RPM) In normal driving conditions, 2006 Infiniti FX should accelerate faster than 2005 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 159 weights approximately 310 kg more than 2006 Infiniti FX.
Because 2006 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 159. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti FX 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, 2005 Alfa Romeo 159 (385 Nm @ 2000 RPM) has 18 more torque (in Nm) than 2006 Infiniti FX. (367 Nm @ 4800 RPM). This means 2005 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2006 Infiniti FX.
Compare all specifications:
| 2005 Alfa Romeo 159 | 2006 Infiniti FX | |
| Make | Alfa Romeo | Infiniti |
| Model | 159 | FX |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 3491 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 280 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 385 Nm | 367 Nm |
| Torque RPM | 2000 RPM | 4800 RPM |
| Engine Bore Size | 82.1 mm | 95.5 mm |
| Engine Stroke Size | 90.4 mm | 81.4 mm |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1630 kg | 1320 kg |
| Vehicle Length | 4670 mm | 4810 mm |
| Vehicle Width | 1830 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1660 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
| Fuel Consumption | 5.4 L/100km | 11.2 L/100km |
| Fuel Consumption City | 9.3 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 6.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
