2009 Hyundai Sonata vs. 2003 Infiniti FX
To start off, 2009 Hyundai Sonata is newer by 6 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 62 more horse power than 2009 Hyundai Sonata. (249 HP @ 6000 RPM) In normal driving conditions, 2003 Infiniti FX should accelerate faster than 2009 Hyundai Sonata. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti FX weights approximately 831 kg more than 2009 Hyundai Sonata. 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 2009 Hyundai Sonata. 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 135 more torque (in Nm) than 2009 Hyundai Sonata. (311 Nm @ 4500 RPM). This means 2003 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2009 Hyundai Sonata.
Compare all specifications:
| 2009 Hyundai Sonata | 2003 Infiniti FX | |
| Make | Hyundai | Infiniti |
| Model | Sonata | FX |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3342 cc | 4494 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 249 HP | 311 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 311 Nm | 446 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1119 kg | 1950 kg |
| Vehicle Length | 4800 mm | 4810 mm |
| Vehicle Width | 1840 mm | 1930 mm |
| Vehicle Height | 1480 mm | 1660 mm |
| Wheelbase Size | 2730 mm | 2860 mm |
