2006 Alfa Romeo GT vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo GT 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 (385 HP @ 6500 RPM) has 237 more horse power than 2006 Alfa Romeo GT. (148 HP @ 4000 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 2006 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche 911 weights approximately 65 kg more than 2006 Alfa Romeo GT. 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 2006 Alfa Romeo GT. 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 (420 Nm @ 4400 RPM) has 115 more torque (in Nm) than 2006 Alfa Romeo GT. (305 Nm @ 2000 RPM). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo GT.
Compare all specifications:
| 2006 Alfa Romeo GT | 2011 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | GT | 911 |
| Year Released | 2006 | 2011 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1909 cc | 3800 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 385 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 305 Nm | 420 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1440 kg | 1505 kg |
| Vehicle Length | 4500 mm | 4460 mm |
| Vehicle Width | 1770 mm | 1852 mm |
| Vehicle Height | 1370 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 2350 mm |
| Fuel Tank Capacity | 63 L | 67 L |
