1981 Alfa Romeo Spider vs. 2002 Porsche 911
To start off, 2002 Porsche 911 is newer by 21 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Spider would be higher. At 3,589 cc (6 cylinders), 2002 Porsche 911 is equipped with a bigger engine. In terms of performance, 2002 Porsche 911 (276 HP @ 8000 RPM) has 173 more horse power than 1981 Alfa Romeo Spider. (103 HP @ 5500 RPM) In normal driving conditions, 2002 Porsche 911 should accelerate faster than 1981 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2002 Porsche 911 weights approximately 405 kg more than 1981 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2002 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, 2002 Porsche 911 (841 Nm) has 696 more torque (in Nm) than 1981 Alfa Romeo Spider. (145 Nm). This means 2002 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1981 Alfa Romeo Spider.
Compare all specifications:
| 1981 Alfa Romeo Spider | 2002 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Spider | 911 |
| Year Released | 1981 | 2002 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1570 cc | 3589 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 103 HP | 276 HP |
| Engine RPM | 5500 RPM | 8000 RPM |
| Torque | 145 Nm | 841 Nm |
| Engine Bore Size | 78 mm | 100.2 mm |
| Engine Stroke Size | 82 mm | 76.5 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1000 kg | 1405 kg |
| Vehicle Length | 4130 mm | 4450 mm |
| Vehicle Width | 1640 mm | 1840 mm |
| Vehicle Height | 1300 mm | 1280 mm |
| Wheelbase Size | 2260 mm | 2370 mm |
