2005 Alfa Romeo 159 vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 159. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 159 would be higher. At 3,800 cc (6 cylinders), 2011 Porsche 911 is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (385 HP @ 6500 RPM) has 138 more horse power than 2005 Alfa Romeo 159. (247 HP @ 6200 RPM) In normal driving conditions, 2011 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 235 kg more than 2011 Porsche 911.
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, 2011 Porsche 911 (420 Nm @ 4400 RPM) has 98 more torque (in Nm) than 2005 Alfa Romeo 159. (322 Nm @ 4500 RPM). This means 2011 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 | 2011 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 159 | 911 |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3175 cc | 3800 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 385 HP |
| Engine RPM | 6200 RPM | 6500 RPM |
| Torque | 322 Nm | 420 Nm |
| Torque RPM | 4500 RPM | 4400 RPM |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1740 kg | 1505 kg |
| Vehicle Length | 4670 mm | 4460 mm |
| Vehicle Width | 1830 mm | 1852 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2710 mm | 2350 mm |
| Fuel Consumption | 8.7 L/100km | 9.4 L/100km |
| Fuel Consumption City | 16.1 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
