2005 Audi A4 vs. 2009 Infiniti G37
To start off, 2009 Infiniti G37 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 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 (330 HP @ 7000 RPM) has 83 more horse power than 2005 Audi A4. (247 HP @ 6300 RPM) In normal driving conditions, 2009 Infiniti G37 should accelerate faster than 2005 Audi A4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2009 Infiniti G37 (367 Nm @ 5200 RPM) has 47 more torque (in Nm) than 2005 Audi A4. (320 Nm @ 3250 RPM). This means 2009 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2009 Infiniti G37 | |
| Make | Audi | Infiniti |
| Model | A4 | G37 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 3696 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 330 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 320 Nm | 367 Nm |
| Torque RPM | 3250 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4590 mm | 4660 mm |
| Vehicle Width | 1780 mm | 1830 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2660 mm | 2860 mm |
