2005 Alfa Romeo 159 vs. 2004 Porsche 911
To start off, 2005 Alfa Romeo 159 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 3,596 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (315 HP @ 6000 RPM) has 157 more horse power than 2005 Alfa Romeo 159. (158 HP @ 6500 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2005 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 159 weights approximately 138 kg more than 2004 Porsche 911.
Because 2004 Porsche 911 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 2004 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 159, 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, 2004 Porsche 911 (370 Nm) has 180 more torque (in Nm) than 2005 Alfa Romeo 159. (190 Nm). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 159.
Compare all specifications:
| 2005 Alfa Romeo 159 | 2004 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 159 | 911 |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1859 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 315 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 190 Nm | 370 Nm |
| Engine Bore Size | 86.1 mm | 96 mm |
| Engine Stroke Size | 80 mm | 83 mm |
| Engine Compression Ratio | 11.3:1 | 11.3:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1480 kg | 1342 kg |
| Vehicle Length | 4670 mm | 4440 mm |
| Vehicle Width | 1830 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2600 mm | 2360 mm |
| Fuel Consumption | 6.6 L/100km | 9.2 L/100km |
| Fuel Consumption City | 12.2 L/100km | 13.2 L/100km |
| Fuel Consumption Overall | 8.7 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
