2007 Alfa Romeo 147 vs. 2004 Porsche 911
To start off, 2007 Alfa Romeo 147 is newer by 3 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 (340 HP @ 6000 RPM) has 192 more horse power than 2007 Alfa Romeo 147. (148 HP @ 4000 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2007 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 147 weights approximately 23 kg more than 2004 Porsche 911.
Let's talk about torque, 2004 Porsche 911 (370 Nm) has 65 more torque (in Nm) than 2007 Alfa Romeo 147. (305 Nm). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 147.
Compare all specifications:
| 2007 Alfa Romeo 147 | 2004 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 147 | 911 |
| Year Released | 2007 | 2004 |
| 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 | 340 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 305 Nm | 370 Nm |
| Engine Bore Size | 82 mm | 96 mm |
| Engine Stroke Size | 90.4 mm | 83 mm |
| Engine Compression Ratio | 18.4:1 | 11.3:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1365 kg | 1342 kg |
| Vehicle Length | 4230 mm | 4440 mm |
| Vehicle Width | 1740 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2550 mm | 2360 mm |
| Fuel Consumption Overall | 5.9 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 60 L | 64 L |
