2004 Hyundai Sonata vs. 2009 Infiniti QX56
To start off, 2009 Infiniti QX56 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Hyundai Sonata. In addition, the cost of maintenance, including insurance, on 2004 Hyundai Sonata would be higher. At 5,552 cc (8 cylinders), 2009 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 Infiniti QX56 (320 HP @ 5200 RPM) has 162 more horse power than 2004 Hyundai Sonata. (158 HP @ 6000 RPM) In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 2004 Hyundai Sonata. With that said, vehicle weight also plays an important factor in acceleration. 2004 Hyundai Sonata weights approximately 226 kg more than 2009 Infiniti QX56.
Because 2009 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Hyundai Sonata. In wet, icy, snow, or gravel driving conditions, 2009 Infiniti QX56 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, 2009 Infiniti QX56 (533 Nm @ 3400 RPM) has 314 more torque (in Nm) than 2004 Hyundai Sonata. (219 Nm @ 4250 RPM). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2004 Hyundai Sonata.
Compare all specifications:
| 2004 Hyundai Sonata | 2009 Infiniti QX56 | |
| Make | Hyundai | Infiniti |
| Model | Sonata | QX56 |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2358 cc | 5552 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 320 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 219 Nm | 533 Nm |
| Torque RPM | 4250 RPM | 3400 RPM |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1546 kg | 1320 kg |
| Vehicle Length | 4810 mm | 5260 mm |
| Vehicle Width | 1840 mm | 2010 mm |
| Vehicle Height | 1480 mm | 2010 mm |
| Wheelbase Size | 2840 mm | 3140 mm |
| Fuel Consumption | 7 L/100km | 13.8 L/100km |
| Fuel Consumption City | 12.3 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 8.8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 70 L | 106 L |
