1957 Rover P4 vs. 1986 Chevrolet Astro
To start off, 1986 Chevrolet Astro is newer by 29 year(s). Which means there will be less support and parts availability for 1957 Rover P4. In addition, the cost of maintenance, including insurance, on 1957 Rover P4 would be higher. At 4,293 cc (6 cylinders), 1986 Chevrolet Astro is equipped with a bigger engine. In terms of performance, 1986 Chevrolet Astro (183 HP @ 4400 RPM) has 113 more horse power than 1957 Rover P4. (70 HP @ 4500 RPM) In normal driving conditions, 1986 Chevrolet Astro should accelerate faster than 1957 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1986 Chevrolet Astro weights approximately 495 kg more than 1957 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Chevrolet Astro is four wheel drive (4WD), it will have significant more traction and grip than 1957 Rover P4. In wet, icy, snow, or gravel driving conditions, 1986 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, 1986 Chevrolet Astro (338 Nm @ 2800 RPM) has 185 more torque (in Nm) than 1957 Rover P4. (153 Nm @ 1750 RPM). This means 1986 Chevrolet Astro will have an easier job in driving up hills or pulling heavy equipment than 1957 Rover P4.
Compare all specifications:
| 1957 Rover P4 | 1986 Chevrolet Astro | |
| Make | Rover | Chevrolet |
| Model | P4 | Astro |
| Year Released | 1957 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2230 cc | 4293 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 70 HP | 183 HP |
| Engine RPM | 4500 RPM | 4400 RPM |
| Torque | 153 Nm | 338 Nm |
| Torque RPM | 1750 RPM | 2800 RPM |
| Engine Bore Size | 73 mm | 101.6 mm |
| Engine Stroke Size | 88.9 mm | 88.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 8 seats |
| Vehicle Weight | 1400 kg | 1895 kg |
| Vehicle Length | 4540 mm | 4830 mm |
| Vehicle Width | 1680 mm | 1980 mm |
| Vehicle Height | 1630 mm | 1910 mm |
| Wheelbase Size | 2830 mm | 2830 mm |
