2003 Alfa Romeo 147 vs. 2012 Infiniti G37
To start off, 2012 Infiniti G37 is newer by 9 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2003 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 (348 HP @ 7400 RPM) has 101 more horse power than 2003 Alfa Romeo 147. (247 HP @ 6200 RPM) In normal driving conditions, 2012 Infiniti G37 should accelerate faster than 2003 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2012 Infiniti G37 weights approximately 421 kg more than 2003 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, 2003 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 (374 Nm @ 5200 RPM) has 74 more torque (in Nm) than 2003 Alfa Romeo 147. (300 Nm @ 4800 RPM). This means 2012 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 147.
Compare all specifications:
| 2003 Alfa Romeo 147 | 2012 Infiniti G37 | |
| Make | Alfa Romeo | Infiniti |
| Model | 147 | G37 |
| Year Released | 2003 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 3178 cc | 3700 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 348 HP |
| Engine RPM | 6200 RPM | 7400 RPM |
| Torque | 300 Nm | 374 Nm |
| Torque RPM | 4800 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1265 kg | 1686 kg |
| Fuel Tank Capacity | 63 L | 76 L |
