2003 Alfa Romeo 156 vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 1 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 3,589 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (315 HP @ 6800 RPM) has 126 more horse power than 2003 Alfa Romeo 156. (189 HP @ 6300 RPM) In normal driving conditions, 2004 Porsche 911 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 9 kg more than 2004 Porsche 911.
Because 2004 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, 2004 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, 2004 Porsche 911 (370 Nm) has 152 more torque (in Nm) than 2003 Alfa Romeo 156. (218 Nm). This means 2004 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 | 2004 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 156 | 911 |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2387 cc | 3589 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 315 HP |
| Engine RPM | 6300 RPM | 6800 RPM |
| Torque | 218 Nm | 370 Nm |
| Engine Compression Ratio | 10.3:1 | 11.3:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1434 kg | 1425 kg |
| Vehicle Length | 4440 mm | 4440 mm |
| Vehicle Width | 1750 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 2360 mm |
| Fuel Consumption Overall | 11.8 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
