2006 Alfa Romeo 159 vs. 2003 Infiniti FX
To start off, 2006 Alfa Romeo 159 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Infiniti FX. In addition, the cost of maintenance, including insurance, on 2003 Infiniti FX would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti FX is equipped with a bigger engine. In terms of performance, 2003 Infiniti FX (311 HP @ 6400 RPM) has 193 more horse power than 2006 Alfa Romeo 159. (118 HP @ 4000 RPM) In normal driving conditions, 2003 Infiniti FX should accelerate faster than 2006 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti FX weights approximately 348 kg more than 2006 Alfa Romeo 159. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alfa Romeo 159. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Infiniti FX (446 Nm @ 4000 RPM) has 166 more torque (in Nm) than 2006 Alfa Romeo 159. (280 Nm @ 2000 RPM). This means 2003 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 159. 2003 Infiniti FX has automatic transmission and 2006 Alfa Romeo 159 has manual transmission. 2006 Alfa Romeo 159 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Infiniti FX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alfa Romeo 159 | 2003 Infiniti FX | |
| Make | Alfa Romeo | Infiniti |
| Model | 159 | FX |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 4494 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 118 HP | 311 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 280 Nm | 446 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1602 kg | 1950 kg |
| Vehicle Length | 4670 mm | 4810 mm |
| Vehicle Width | 1830 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1660 mm |
| Wheelbase Size | 2710 mm | 2860 mm |
