2005 Alfa Romeo 156 vs. 2004 Porsche 911
To start off, 2005 Alfa Romeo 156 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 3,589 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (415 HP @ 6000 RPM) has 267 more horse power than 2005 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 911 weights approximately 150 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (563 Nm @ 2700 RPM) has 253 more torque (in Nm) than 2005 Alfa Romeo 156. (310 Nm @ 2000 RPM). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2004 Porsche 911 has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2004 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 156 | 911 |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1910 cc | 3589 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 415 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 310 Nm | 563 Nm |
| Torque RPM | 2000 RPM | 2700 RPM |
| Engine Bore Size | 82 mm | 100 mm |
| Engine Stroke Size | 90.4 mm | 76 mm |
| Engine Compression Ratio | 18.5:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 200 km/hour | 305 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 4.6 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1585 kg | 1735 kg |
| Vehicle Width | 1750 mm | 1840 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 2360 mm |
| Fuel Consumption Overall | 6.8 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 50 L | 64 L |
