2002 Infiniti G20 vs. 2009 Infiniti G37
To start off, 2009 Infiniti G37 is newer by 7 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 3,696 cc (6 cylinders), 2009 Infiniti G37 is equipped with a bigger engine. In terms of performance, 2009 Infiniti G37 (329 HP @ 7000 RPM) has 185 more horse power than 2002 Infiniti G20. (144 HP @ 6000 RPM) In normal driving conditions, 2009 Infiniti G37 should accelerate faster than 2002 Infiniti G20. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti G37 weights approximately 376 kg more than 2002 Infiniti G20. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Infiniti G37 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Infiniti G37. However, in wet, icy, snow, or gravel driving conditions, 2002 Infiniti G20, being front wheel drive (FWD), will offer much better control with better grip. 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 G37 (365 Nm @ 5200 RPM) has 180 more torque (in Nm) than 2002 Infiniti G20. (185 Nm @ 4800 RPM). This means 2009 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 2002 Infiniti G20.
Compare all specifications:
| 2002 Infiniti G20 | 2009 Infiniti G37 | |
| Make | Infiniti | Infiniti |
| Model | G20 | G37 |
| Year Released | 2002 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 3696 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 144 HP | 329 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 185 Nm | 365 Nm |
| Torque RPM | 4800 RPM | 5200 RPM |
| Engine Compression Ratio | 9.5:1 | 10.9:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1343 kg | 1719 kg |
| Vehicle Length | 4520 mm | 4760 mm |
| Vehicle Width | 1700 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1460 mm |
| Wheelbase Size | 2610 mm | 2860 mm |
| Fuel Tank Capacity | 60 L | 76 L |
