2005 Alfa Romeo 147 vs. 2012 Infiniti G37
To start off, 2012 Infiniti G37 is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 147 would be higher. At 3,700 cc (6 cylinders), 2012 Infiniti G37 is equipped with a bigger engine. In terms of performance, 2012 Infiniti G37 (330 HP @ 7000 RPM) has 182 more horse power than 2005 Alfa Romeo 147. (148 HP @ 6300 RPM) In normal driving conditions, 2012 Infiniti G37 should accelerate faster than 2005 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2012 Infiniti G37 weights approximately 323 kg more than 2005 Alfa Romeo 147. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 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 2012 Infiniti G37. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 147, 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, 2012 Infiniti G37 (366 Nm @ 5200 RPM) has 185 more torque (in Nm) than 2005 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2012 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 147. 2012 Infiniti G37 has automatic transmission and 2005 Alfa Romeo 147 has manual transmission. 2005 Alfa Romeo 147 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 Infiniti G37 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 147 | 2012 Infiniti G37 | |
| Make | Alfa Romeo | Infiniti |
| Model | 147 | G37 |
| Year Released | 2005 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 3700 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 330 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 181 Nm | 366 Nm |
| Torque RPM | 3800 RPM | 5200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1325 kg | 1648 kg |
| Vehicle Length | 4180 mm | 4651 mm |
| Vehicle Width | 1740 mm | 1824 mm |
| Vehicle Height | 1470 mm | 1392 mm |
| Wheelbase Size | 2550 mm | 2850 mm |
| Fuel Tank Capacity | 60 L | 76 L |
