1977 Alfa Romeo Spider vs. 1971 Porsche 917
To start off, 1977 Alfa Romeo Spider is newer by 6 year(s). Which means there will be less support and parts availability for 1971 Porsche 917. In addition, the cost of maintenance, including insurance, on 1971 Porsche 917 would be higher. At 4,994 cc, 1971 Porsche 917 is equipped with a bigger engine. In terms of performance, 1971 Porsche 917 (520 HP) has 431 more horse power than 1977 Alfa Romeo Spider. (89 HP) In normal driving conditions, 1971 Porsche 917 should accelerate faster than 1977 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1977 Alfa Romeo Spider weights approximately 182 kg more than 1971 Porsche 917.
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, 1971 Porsche 917 (610 Nm) has 489 more torque (in Nm) than 1977 Alfa Romeo Spider. (121 Nm). This means 1971 Porsche 917 will have an easier job in driving up hills or pulling heavy equipment than 1977 Alfa Romeo Spider.
Compare all specifications:
1977 Alfa Romeo Spider | 1971 Porsche 917 | |
Make | Alfa Romeo | Porsche |
Model | Spider | 917 |
Year Released | 1977 | 1971 |
Body Type | Roadster | Coupe |
Engine Position | Front | Middle |
Engine Size | 1289 cc | 4994 cc |
Horse Power | 89 HP | 520 HP |
Torque | 121 Nm | 610 Nm |
Drive Type | Rear | Rear |
Vehicle Weight | 980 kg | 798 kg |