1981 Ferrari 400 vs. 1971 Porsche 917
To start off, 1981 Ferrari 400 is newer by 10 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 210 more horse power than 1981 Ferrari 400. (310 HP) In normal driving conditions, 1971 Porsche 917 should accelerate faster than 1981 Ferrari 400. With that said, vehicle weight also plays an important factor in acceleration. 1981 Ferrari 400 weights approximately 1032 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 218 more torque (in Nm) than 1981 Ferrari 400. (392 Nm). This means 1971 Porsche 917 will have an easier job in driving up hills or pulling heavy equipment than 1981 Ferrari 400.
Compare all specifications:
| 1981 Ferrari 400 | 1971 Porsche 917 | |
| Make | Ferrari | Porsche |
| Model | 400 | 917 |
| Year Released | 1981 | 1971 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4823 cc | 4994 cc |
| Horse Power | 310 HP | 520 HP |
| Torque | 392 Nm | 610 Nm |
| Engine Compression Ratio | 8.8:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1830 kg | 798 kg |
