1999 Infiniti Q45 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 Q45. In addition, the cost of maintenance, including insurance, on 1999 Infiniti Q45 would be higher. At 4,128 cc (8 cylinders), 1999 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2009 Infiniti G37 (330 HP @ 7000 RPM) has 65 more horse power than 1999 Infiniti Q45. (265 HP @ 5600 RPM) In normal driving conditions, 2009 Infiniti G37 should accelerate faster than 1999 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti G37 weights approximately 361 kg more than 1999 Infiniti Q45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1999 Infiniti Q45 (378 Nm @ 4000 RPM) has 12 more torque (in Nm) than 2009 Infiniti G37. (366 Nm @ 5200 RPM). This means 1999 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti G37.
Compare all specifications:
| 1999 Infiniti Q45 | 2009 Infiniti G37 | |
| Make | Infiniti | Infiniti |
| Model | Q45 | G37 |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4128 cc | 3696 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 330 HP |
| Engine RPM | 5600 RPM | 7000 RPM |
| Torque | 378 Nm | 366 Nm |
| Torque RPM | 4000 RPM | 5200 RPM |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1759 kg | 2120 kg |
| Vehicle Length | 5080 mm | 4660 mm |
| Vehicle Width | 1830 mm | 1830 mm |
| Vehicle Height | 1450 mm | 1400 mm |
| Wheelbase Size | 2840 mm | 2860 mm |
| Fuel Tank Capacity | 60 L | 76 L |
