2003 Alfa Romeo 156 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 6 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 3,596 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (321 HP @ 6800 RPM) has 132 more horse power than 2003 Alfa Romeo 156. (189 HP @ 6300 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 95 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 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, 2009 Porsche 911 (370 Nm @ 4250 RPM) has 152 more torque (in Nm) than 2003 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2009 Porsche 911 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 | 2009 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 156 | 911 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2387 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 321 HP |
| Engine RPM | 6300 RPM | 6800 RPM |
| Torque | 218 Nm | 370 Nm |
| Torque RPM | 5000 RPM | 4250 RPM |
| Engine Compression Ratio | 10.3:1 | 11.3:1 |
| Top Speed | 222 km/hour | 275 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 5.3 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1435 kg | 1530 kg |
| Vehicle Length | 4440 mm | 4430 mm |
| Vehicle Width | 1750 mm | 1320 mm |
| Vehicle Height | 1440 mm | 1860 mm |
| Wheelbase Size | 2710 mm | 2360 mm |
| Fuel Consumption Overall | 11.9 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 63 L | 67 L |
