1991 Chrysler Viper vs. 1981 Mazda Cosmo
To start off, 1991 Chrysler Viper is newer by 10 year(s). Which means there will be less support and parts availability for 1981 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1981 Mazda Cosmo would be higher. At 7,986 cc (10 cylinders), 1991 Chrysler Viper is equipped with a bigger engine. In terms of performance, 1991 Chrysler Viper (389 HP @ 5150 RPM) has 287 more horse power than 1981 Mazda Cosmo. (102 HP @ 5300 RPM). In normal driving conditions, 1991 Chrysler Viper should accelerate faster than 1981 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1991 Chrysler Viper weights approximately 492 kg more than 1981 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 @ 3600 RPM) has 454 more torque (in Nm) than 1981 Mazda Cosmo. (167 Nm @ 3300 RPM). This means 1991 Chrysler Viper will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda Cosmo.
Compare all specifications:
| 1991 Chrysler Viper | 1981 Mazda Cosmo | |
| Make | Chrysler | Mazda |
| Model | Viper | Cosmo |
| Year Released | 1991 | 1981 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 7986 cc | 1970 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 389 HP | 102 HP |
| Engine RPM | 5150 RPM | 5300 RPM |
| Torque | 621 Nm | 167 Nm |
| Torque RPM | 3600 RPM | 3300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1098 kg |
| Vehicle Length | 4460 mm | 4670 mm |
| Vehicle Width | 1930 mm | 1700 mm |
| Vehicle Height | 1130 mm | 1420 mm |
| Wheelbase Size | 2450 mm | 2620 mm |
