1971 Alfa Romeo Spider vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1971 Alfa Romeo Spider would be higher. At 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (316 HP @ 6800 RPM) has 227 more horse power than 1971 Alfa Romeo Spider. (89 HP @ 6000 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1971 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 570 kg more than 1971 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Porsche 911 (370 Nm) has 249 more torque (in Nm) than 1971 Alfa Romeo Spider. (121 Nm). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1971 Alfa Romeo Spider.
Compare all specifications:
| 1971 Alfa Romeo Spider | 2005 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Spider | 911 |
| Year Released | 1971 | 2005 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1287 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 89 HP | 316 HP |
| Engine RPM | 6000 RPM | 6800 RPM |
| Torque | 121 Nm | 370 Nm |
| Engine Bore Size | 80 mm | 96.1 mm |
| Engine Stroke Size | 67.5 mm | 82.8 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 980 kg | 1550 kg |
| Vehicle Length | 4130 mm | 4440 mm |
| Vehicle Width | 1640 mm | 1840 mm |
| Vehicle Height | 1300 mm | 1300 mm |
| Wheelbase Size | 2260 mm | 2360 mm |
