1991 Chrysler Viper vs. 1971 Porsche 917
To start off, 1991 Chrysler Viper is newer by 20 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 7,986 cc (10 cylinders), 1991 Chrysler Viper is equipped with a bigger engine. In terms of performance, 1971 Porsche 917 (520 HP) has 131 more horse power than 1991 Chrysler Viper. (389 HP) In normal driving conditions, 1971 Porsche 917 should accelerate faster than 1991 Chrysler Viper.
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, 1991 Chrysler Viper (621 Nm) has 11 more torque (in Nm) than 1971 Porsche 917. (610 Nm). This means 1991 Chrysler Viper will have an easier job in driving up hills or pulling heavy equipment than 1971 Porsche 917.
Compare all specifications:
| 1991 Chrysler Viper | 1971 Porsche 917 | |
| Make | Chrysler | Porsche |
| Model | Viper | 917 |
| Year Released | 1991 | 1971 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 7986 cc | 4994 cc |
| Horse Power | 389 HP | 520 HP |
| Torque | 621 Nm | 610 Nm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
