1991 Chrysler Viper vs. 1989 Chevrolet Astro
To start off, 1991 Chrysler Viper is newer by 2 year(s). Which means there will be less support and parts availability for 1989 Chevrolet Astro. In addition, the cost of maintenance, including insurance, on 1989 Chevrolet Astro 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 206 more horse power than 1989 Chevrolet Astro. (183 HP @ 4400 RPM). In normal driving conditions, 1991 Chrysler Viper should accelerate faster than 1989 Chevrolet Astro. With that said, vehicle weight also plays an important factor in acceleration. 1989 Chevrolet Astro weights approximately 305 kg more than 1991 Chrysler Viper.
Because 1989 Chevrolet Astro is four wheel drive (4WD), it will have significant more traction and grip than 1991 Chrysler Viper. In wet, icy, snow, or gravel driving conditions, 1989 Chevrolet Astro will offer significantly more control. 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 283 more torque (in Nm) than 1989 Chevrolet Astro. (338 Nm @ 2800 RPM). This means 1991 Chrysler Viper will have an easier job in driving up hills or pulling heavy equipment than 1989 Chevrolet Astro.
Compare all specifications:
| 1991 Chrysler Viper | 1989 Chevrolet Astro | |
| Make | Chrysler | Chevrolet |
| Model | Viper | Astro |
| Year Released | 1991 | 1989 |
| Body Type | Roadster | Minivan |
| Engine Position | Front | Front |
| Engine Size | 7986 cc | 4293 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 389 HP | 183 HP |
| Engine RPM | 5150 RPM | 4400 RPM |
| Torque | 621 Nm | 338 Nm |
| Torque RPM | 3600 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 8 seats |
| Vehicle Weight | 1590 kg | 1895 kg |
| Vehicle Length | 4460 mm | 4830 mm |
| Vehicle Width | 1930 mm | 1980 mm |
| Vehicle Height | 1130 mm | 1910 mm |
| Wheelbase Size | 2450 mm | 2830 mm |
