1999 Infiniti G20 vs. 2009 Infiniti G37
To start off, 2009 Infiniti G37 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Infiniti G20. In addition, the cost of maintenance, including insurance, on 1999 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 189 more horse power than 1999 Infiniti G20. (140 HP @ 6400 RPM) In normal driving conditions, 2009 Infiniti G37 should accelerate faster than 1999 Infiniti G20. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti G20 weights approximately 1 kg more than 2009 Infiniti G37.
Because 2009 Infiniti G37 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Infiniti G20. In wet, icy, snow, or gravel driving conditions, 2009 Infiniti G37 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 G37 (365 Nm @ 5200 RPM) has 186 more torque (in Nm) than 1999 Infiniti G20. (179 Nm @ 4800 RPM). This means 2009 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 1999 Infiniti G20. 2009 Infiniti G37 has automatic transmission and 1999 Infiniti G20 has manual transmission. 1999 Infiniti G20 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Infiniti G37 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Infiniti G20 | 2009 Infiniti G37 | |
| Make | Infiniti | Infiniti |
| Model | G20 | G37 |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 3696 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 140 HP | 329 HP |
| Engine RPM | 6400 RPM | 7000 RPM |
| Torque | 179 Nm | 365 Nm |
| Torque RPM | 4800 RPM | 5200 RPM |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1321 kg | 1320 kg |
| Vehicle Length | 4520 mm | 4760 mm |
| Vehicle Width | 1700 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2860 mm |
| Fuel Tank Capacity | 60 L | 76 L |
