2005 Alfa Romeo Spider vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo Spider 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 222 more horse power than 2005 Alfa Romeo Spider. (163 HP @ 6400 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 2005 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche 911 weights approximately 25 kg more than 2005 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2011 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo Spider, being front wheel drive (FWD), will offer much better control with better grip. 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 214 more torque (in Nm) than 2005 Alfa Romeo Spider. (206 Nm @ 3250 RPM). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo Spider.
Compare all specifications:
| 2005 Alfa Romeo Spider | 2011 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Spider | 911 |
| Year Released | 2005 | 2011 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1910 cc | 3800 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 163 HP | 385 HP |
| Engine RPM | 6400 RPM | 6500 RPM |
| Torque | 206 Nm | 420 Nm |
| Torque RPM | 3250 RPM | 4400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1480 kg | 1505 kg |
| Vehicle Length | 4310 mm | 4460 mm |
| Vehicle Width | 1780 mm | 1808 mm |
| Vehicle Height | 1320 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 2350 mm |
| Fuel Tank Capacity | 70 L | 64 L |
