2009 Porsche 911 vs. 2010 Alfa Romeo 147
To start off, 2010 Alfa Romeo 147 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Porsche 911. In addition, the cost of maintenance, including insurance, on 2009 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (473 HP @ 6000 RPM) has 335 more horse power than 2010 Alfa Romeo 147. (138 HP @ 4000 RPM). In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2010 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 60 kg more than 2010 Alfa Romeo 147. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2010 Alfa Romeo 147. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Porsche 911 (620 Nm @ 1950 RPM) has 315 more torque (in Nm) than 2010 Alfa Romeo 147. (305 Nm @ 2000 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2010 Alfa Romeo 147. 2009 Porsche 911 has automatic transmission and 2010 Alfa Romeo 147 has manual transmission. 2010 Alfa Romeo 147 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Porsche 911 | 2010 Alfa Romeo 147 | |
| Make | Porsche | Alfa Romeo |
| Model | 911 | 147 |
| Year Released | 2009 | 2010 |
| Engine Position | Rear | Front |
| Engine Size | 3600 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 473 HP | 138 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 620 Nm | 305 Nm |
| Torque RPM | 1950 RPM | 2000 RPM |
| Engine Compression Ratio | 9.0:1 | 19.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 305 km/hour | 206 km/hour |
| Acceleration 0-100mph | 3.8 seconds | 9.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1425 kg | 1365 kg |
| Vehicle Length | 4460 mm | 4180 mm |
| Vehicle Width | 1310 mm | 1740 mm |
| Vehicle Height | 1860 mm | 1430 mm |
| Wheelbase Size | 2360 mm | 2550 mm |
| Fuel Consumption Overall | 13.7 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 67 L | 60 L |
