2002 Infiniti G20 vs. 2007 Infiniti QX56
To start off, 2007 Infiniti QX56 is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Infiniti G20. In addition, the cost of maintenance, including insurance, on 2002 Infiniti G20 would be higher. At 5,552 cc (8 cylinders), 2007 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2007 Infiniti QX56 (320 HP @ 4900 RPM) has 176 more horse power than 2002 Infiniti G20. (144 HP @ 6000 RPM) In normal driving conditions, 2007 Infiniti QX56 should accelerate faster than 2002 Infiniti G20.
Because 2007 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Infiniti G20. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Infiniti QX56 (533 Nm @ 3600 RPM) has 348 more torque (in Nm) than 2002 Infiniti G20. (185 Nm @ 4800 RPM). This means 2007 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2002 Infiniti G20.
Compare all specifications:
| 2002 Infiniti G20 | 2007 Infiniti QX56 | |
| Make | Infiniti | Infiniti |
| Model | G20 | QX56 |
| Year Released | 2002 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 5552 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 144 HP | 320 HP |
| Engine RPM | 6000 RPM | 4900 RPM |
| Torque | 185 Nm | 533 Nm |
| Torque RPM | 4800 RPM | 3600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4520 mm | 5260 mm |
| Vehicle Width | 1700 mm | 2010 mm |
| Vehicle Height | 1410 mm | 1980 mm |
| Wheelbase Size | 2610 mm | 3140 mm |
| Fuel Tank Capacity | 60 L | 106 L |
