1991 Mazda RX-7 vs. 1973 Porsche 917
To start off, 1991 Mazda RX-7 is newer by 18 year(s). Which means there will be less support and parts availability for 1973 Porsche 917. In addition, the cost of maintenance, including insurance, on 1973 Porsche 917 would be higher. At 4,994 cc, 1973 Porsche 917 is equipped with a bigger engine. In terms of performance, 1973 Porsche 917 (520 HP) has 323 more horse power than 1991 Mazda RX-7. (197 HP) In normal driving conditions, 1973 Porsche 917 should accelerate faster than 1991 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mazda RX-7 weights approximately 502 kg more than 1973 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, 1973 Porsche 917 (610 Nm) has 339 more torque (in Nm) than 1991 Mazda RX-7. (271 Nm). This means 1973 Porsche 917 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda RX-7.
Compare all specifications:
| 1991 Mazda RX-7 | 1973 Porsche 917 | |
| Make | Mazda | Porsche |
| Model | RX-7 | 917 |
| Year Released | 1991 | 1973 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2616 cc | 4994 cc |
| Horse Power | 197 HP | 520 HP |
| Torque | 271 Nm | 610 Nm |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1300 kg | 798 kg |
