2005 Alfa Romeo 156 vs. 2010 Infiniti G37
To start off, 2010 Infiniti G37 is newer by 5 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 3,696 cc (6 cylinders), 2010 Infiniti G37 is equipped with a bigger engine. In terms of performance, 2010 Infiniti G37 (328 HP @ 7000 RPM) has 180 more horse power than 2005 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2010 Infiniti G37 should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2010 Infiniti G37 weights approximately 535 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2010 Infiniti G37. In wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156 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, 2010 Infiniti G37 (365 Nm @ 5200 RPM) has 55 more torque (in Nm) than 2005 Alfa Romeo 156. (310 Nm @ 2000 RPM). This means 2010 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2010 Infiniti G37 | |
| Make | Alfa Romeo | Infiniti |
| Model | 156 | G37 |
| Year Released | 2005 | 2010 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 3696 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 328 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 310 Nm | 365 Nm |
| Torque RPM | 2000 RPM | 5200 RPM |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1585 kg | 2120 kg |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
| Fuel Consumption Overall | 6.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 50 L | 76 L |
