2003 Alfa Romeo 166 vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 3,800 cc (6 cylinders), 2011 Porsche 911 is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (500 HP @ 6000 RPM) has 315 more horse power than 2003 Alfa Romeo 166. (185 HP @ 6300 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche 911 weights approximately 210 kg more than 2003 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Porsche 911 is all wheel drive (AWD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Porsche 911 (650 Nm @ 1950 RPM) has 429 more torque (in Nm) than 2003 Alfa Romeo 166. (221 Nm @ 5000 RPM). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2011 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 166 | 911 |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2492 cc | 3800 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 500 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 221 Nm | 650 Nm |
| Torque RPM | 5000 RPM | 1950 RPM |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1435 kg | 1645 kg |
| Vehicle Length | 4730 mm | 4478 mm |
| Vehicle Width | 1810 mm | 1852 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2710 mm | 2350 mm |
| Fuel Consumption | 8.8 L/100km | 9.8 L/100km |
| Fuel Consumption City | 17.2 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 69 L | 67 L |
