2003 Alfa Romeo 156 vs. 2005 Porsche Carrera GT
To start off, 2005 Porsche Carrera GT is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 5,733 cc (10 cylinders), 2005 Porsche Carrera GT is equipped with a bigger engine. In terms of performance, 2005 Porsche Carrera GT (604 HP @ 8000 RPM) has 357 more horse power than 2003 Alfa Romeo 156. (247 HP @ 6200 RPM) In normal driving conditions, 2005 Porsche Carrera GT should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 155 kg more than 2005 Porsche Carrera GT.
Because 2005 Porsche Carrera GT 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 2005 Porsche Carrera GT. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2005 Porsche Carrera GT (590 Nm @ 5750 RPM) has 284 more torque (in Nm) than 2003 Alfa Romeo 156. (306 Nm @ 4800 RPM). This means 2005 Porsche Carrera GT will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2005 Porsche Carrera GT | |
| Make | Alfa Romeo | Porsche |
| Model | 156 | Carrera GT |
| Year Released | 2003 | 2005 |
| Body Type | Station Wagon | Roadster |
| Engine Position | Front | Middle |
| Engine Size | 3179 cc | 5733 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 604 HP |
| Engine RPM | 6200 RPM | 8000 RPM |
| Torque | 306 Nm | 590 Nm |
| Torque RPM | 4800 RPM | 5750 RPM |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 330 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1535 kg | 1380 kg |
| Vehicle Length | 4450 mm | 4620 mm |
| Vehicle Width | 1750 mm | 1930 mm |
| Vehicle Height | 1400 mm | 1170 mm |
| Wheelbase Size | 2550 mm | 2860 mm |
| Fuel Consumption Overall | 12.3 L/100km | 18 L/100km |
| Fuel Tank Capacity | 63 L | 92 L |
