2004 Alfa Romeo 156 vs. 2009 Infiniti G37
To start off, 2009 Infiniti G37 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 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 192 more horse power than 2004 Alfa Romeo 156. (138 HP @ 6500 RPM) In normal driving conditions, 2009 Infiniti G37 should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti G37 weights approximately 730 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Infiniti G37 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Infiniti G37. However, in wet, icy, snow, or gravel driving conditions, 2004 Alfa Romeo 156, being front wheel drive (FWD), will offer much better control with better grip. 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 @ 5200 RPM) has 203 more torque (in Nm) than 2004 Alfa Romeo 156. (163 Nm @ 3900 RPM). This means 2009 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156. 2009 Infiniti G37 has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 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:
| 2004 Alfa Romeo 156 | 2009 Infiniti G37 | |
| Make | Alfa Romeo | Infiniti |
| Model | 156 | G37 |
| Year Released | 2004 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 3696 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 330 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 163 Nm | 366 Nm |
| Torque RPM | 3900 RPM | 5200 RPM |
| Engine Compression Ratio | 10.3:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1390 kg | 2120 kg |
| Vehicle Length | 4450 mm | 4660 mm |
| Vehicle Width | 1750 mm | 1830 mm |
| Vehicle Height | 1400 mm | 1400 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
| Fuel Consumption Overall | 8.6 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 63 L | 76 L |
