2003 Alfa Romeo 147 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 147 would be higher. At 3,596 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (317 HP @ 4250 RPM) has 70 more horse power than 2003 Alfa Romeo 147. (247 HP @ 6200 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2003 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 185 kg more than 2003 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 2003 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 (370 Nm @ 4250 RPM) has 70 more torque (in Nm) than 2003 Alfa Romeo 147. (300 Nm @ 4800 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 147. 2009 Porsche 911 has automatic transmission and 2003 Alfa Romeo 147 has manual transmission. 2003 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:
| 2003 Alfa Romeo 147 | 2009 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 147 | 911 |
| Year Released | 2003 | 2009 |
| Engine Position | Front | Rear |
| Engine Size | 3178 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 317 HP |
| Engine RPM | 6200 RPM | 4250 RPM |
| Torque | 300 Nm | 370 Nm |
| Torque RPM | 4800 RPM | 4250 RPM |
| Engine Bore Size | 93 mm | 96 mm |
| Engine Stroke Size | 78 mm | 82.8 mm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 246 km/hour | 285 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1265 kg | 1450 kg |
| Vehicle Length | 4180 mm | 4440 mm |
| Vehicle Width | 1740 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2710 mm | 2360 mm |
| Fuel Consumption Overall | 7.5 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
