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 (329 HP @ 7000 RPM) has 139 more horse power than 2005 Alfa Romeo 156. (190 HP @ 6300 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. 2005 Alfa Romeo 156 weights approximately 150 kg more than 2010 Infiniti G37.
Because 2010 Infiniti G37 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2010 Infiniti G37 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 147 more torque (in Nm) than 2005 Alfa Romeo 156. (218 Nm @ 5000 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 | 2387 cc | 3696 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 190 HP | 329 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 218 Nm | 365 Nm |
| Torque RPM | 5000 RPM | 5200 RPM |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1320 kg |
| Vehicle Length | 4450 mm | 4760 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
| Fuel Consumption Overall | 11.9 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 63 L | 76 L |
