2005 Alfa Romeo 147 vs. 2005 Porsche 911
To start off, both 2005 Alfa Romeo 147 and 2005 Porsche 911 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,600 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 5700 RPM) has 205 more horse power than 2005 Alfa Romeo 147. (240 HP @ 6200 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2005 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 105 kg more than 2005 Alfa Romeo 147. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 147. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Porsche 911 (620 Nm @ 3500 RPM) has 331 more torque (in Nm) than 2005 Alfa Romeo 147. (289 Nm @ 4800 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 147.
Compare all specifications:
| 2005 Alfa Romeo 147 | 2005 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 147 | 911 |
| Year Released | 2005 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 3179 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 240 HP | 445 HP |
| Engine RPM | 6200 RPM | 5700 RPM |
| Torque | 289 Nm | 620 Nm |
| Torque RPM | 4800 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 100 mm |
| Engine Stroke Size | 78 mm | 76.4 mm |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 246 km/hour | 307 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 4.2 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1590 kg |
| Vehicle Length | 4220 mm | 4440 mm |
| Vehicle Width | 1770 mm | 1840 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 2360 mm |
| Fuel Consumption Overall | 12.3 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
