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 160 more horse power than 2005 Audi A4. (170 HP @ 6500 RPM) In normal driving conditions, 2009 Infiniti G37 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti G37 weights approximately 510 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Infiniti G37. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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 (366 Nm) has 141 more torque (in Nm) than 2005 Audi A4. (225 Nm). 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 | 1786 cc | 3696 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 170 HP | 330 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 225 Nm | 366 Nm |
| Engine Compression Ratio | 9.3:1 | 10.3:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1610 kg | 2120 kg |
| Vehicle Length | 4550 mm | 4660 mm |
| Vehicle Width | 1770 mm | 1830 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2860 mm |
| Fuel Consumption | 8.4 L/100km | 9.1 L/100km |
| Fuel Consumption City | 11.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 66 L | 76 L |
