1975 Alfa Romeo Spider vs. 1986 Porsche 911
To start off, 1986 Porsche 911 is newer by 11 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Spider would be higher. At 3,164 cc (6 cylinders), 1986 Porsche 911 is equipped with a bigger engine. In terms of performance, 1986 Porsche 911 (228 HP @ 5900 RPM) has 96 more horse power than 1975 Alfa Romeo Spider. (132 HP @ 5400 RPM) In normal driving conditions, 1986 Porsche 911 should accelerate faster than 1975 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1986 Porsche 911 weights approximately 170 kg more than 1975 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1986 Porsche 911 (286 Nm @ 4800 RPM) has 105 more torque (in Nm) than 1975 Alfa Romeo Spider. (181 Nm @ 4000 RPM). This means 1986 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Spider.
Compare all specifications:
| 1975 Alfa Romeo Spider | 1986 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Spider | 911 |
| Year Released | 1975 | 1986 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1995 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 132 HP | 228 HP |
| Engine RPM | 5400 RPM | 5900 RPM |
| Torque | 181 Nm | 286 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Engine Bore Size | 84 mm | 95 mm |
| Engine Stroke Size | 88.5 mm | 74.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1210 kg |
| Vehicle Length | 4130 mm | 4300 mm |
| Vehicle Width | 1640 mm | 1660 mm |
| Vehicle Height | 1300 mm | 1330 mm |
| Wheelbase Size | 2260 mm | 2280 mm |
