1991 Chrysler Viper vs. 1991 Ford Sierra
To start off, both 1991 Chrysler Viper and 1991 Ford Sierra were released in the same year (1991). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 314 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 1991 Chrysler Viper should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Chrysler Viper weights approximately 445 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Chrysler Viper (621 Nm @ 3600 RPM) has 469 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1991 Chrysler Viper will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Chrysler Viper | 1991 Ford Sierra | |
| Make | Chrysler | Ford |
| Model | Viper | Sierra |
| Year Released | 1991 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 7986 cc | 1751 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 389 HP | 75 HP |
| Engine RPM | 5150 RPM | 4500 RPM |
| Torque | 621 Nm | 152 Nm |
| Torque RPM | 3600 RPM | 2200 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1145 kg |
| Vehicle Length | 4460 mm | 4430 mm |
| Vehicle Width | 1930 mm | 1700 mm |
| Vehicle Height | 1130 mm | 1370 mm |
| Wheelbase Size | 2450 mm | 2620 mm |
