2006 Alfa Romeo 166 vs. 2005 Porsche 911
To start off, 2006 Alfa Romeo 166 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,605 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 6000 RPM) has 209 more horse power than 2006 Alfa Romeo 166. (236 HP @ 6200 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2006 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 5 kg more than 2006 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Porsche 911 (620 Nm) has 331 more torque (in Nm) than 2006 Alfa Romeo 166. (289 Nm). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 166.
Compare all specifications:
| 2006 Alfa Romeo 166 | 2005 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 166 | 911 |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3179 cc | 3605 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 236 HP | 445 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 289 Nm | 620 Nm |
| Engine Bore Size | 93 mm | 100 mm |
| Engine Stroke Size | 78 mm | 76 mm |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1585 kg | 1590 kg |
| Vehicle Length | 4730 mm | 4440 mm |
| Vehicle Width | 1810 mm | 1840 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2710 mm | 2360 mm |
| Fuel Consumption Overall | 12.7 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 69 L | 63 L |
