1970 Alfa Romeo Spider vs. 1973 Porsche 911
To start off, 1973 Porsche 911 is newer by 3 year(s). Which means there will be less support and parts availability for 1970 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1970 Alfa Romeo Spider would be higher. At 2,994 cc (6 cylinders), 1973 Porsche 911 is equipped with a bigger engine. In terms of performance, 1973 Porsche 911 (226 HP @ 6200 RPM) has 123 more horse power than 1970 Alfa Romeo Spider. (103 HP @ 6000 RPM) In normal driving conditions, 1973 Porsche 911 should accelerate faster than 1970 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1970 Alfa Romeo Spider weights approximately 90 kg more than 1973 Porsche 911.
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, 1973 Porsche 911 (275 Nm @ 5000 RPM) has 137 more torque (in Nm) than 1970 Alfa Romeo Spider. (138 Nm @ 3200 RPM). This means 1973 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1970 Alfa Romeo Spider.
Compare all specifications:
| 1970 Alfa Romeo Spider | 1973 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Spider | 911 |
| Year Released | 1970 | 1973 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1290 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 103 HP | 226 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 138 Nm | 275 Nm |
| Torque RPM | 3200 RPM | 5000 RPM |
| Engine Bore Size | 78 mm | 95 mm |
| Engine Stroke Size | 67.5 mm | 70.4 mm |
| Top Speed | 174 km/hour | 245 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 990 kg | 900 kg |
| Vehicle Length | 4130 mm | 4130 mm |
| Vehicle Width | 1630 mm | 1690 mm |
| Vehicle Height | 1300 mm | 1330 mm |
| Wheelbase Size | 2260 mm | 2270 mm |
| Fuel Tank Capacity | 46 L | 80 L |
