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 (329 HP @ 7000 RPM) has 109 more horse power than 2005 Audi A4. (220 HP @ 6200 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. 2005 Audi A4 weights approximately 410 kg more than 2009 Infiniti G37.
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 (365 Nm) has 65 more torque (in Nm) than 2005 Audi A4. (300 Nm). This means 2009 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4. 2009 Infiniti G37 has automatic transmission and 2005 Audi A4 has manual transmission. 2005 Audi A4 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:
| 2005 Audi A4 | 2009 Infiniti G37 | |
| Make | Audi | Infiniti |
| Model | A4 | G37 |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 3696 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 329 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 300 Nm | 365 Nm |
| Engine Compression Ratio | 10.1:1 | 10.5:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1320 kg |
| Vehicle Length | 4550 mm | 4760 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2860 mm |
| Fuel Consumption | 9.4 L/100km | 9.4 L/100km |
| Fuel Consumption City | 13.1 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 66 L | 76 L |
