1979 Mazda 929 vs. 1987 Chevrolet Astro
To start off, 1987 Chevrolet Astro is newer by 8 year(s). Which means there will be less support and parts availability for 1979 Mazda 929. In addition, the cost of maintenance, including insurance, on 1979 Mazda 929 would be higher. At 4,293 cc (6 cylinders), 1987 Chevrolet Astro is equipped with a bigger engine. In terms of performance, 1987 Chevrolet Astro (183 HP @ 4400 RPM) has 100 more horse power than 1979 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 1987 Chevrolet Astro should accelerate faster than 1979 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1987 Chevrolet Astro weights approximately 775 kg more than 1979 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 Chevrolet Astro is four wheel drive (4WD), it will have significant more traction and grip than 1979 Mazda 929. In wet, icy, snow, or gravel driving conditions, 1987 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, 1987 Chevrolet Astro (338 Nm @ 2800 RPM) has 204 more torque (in Nm) than 1979 Mazda 929. (134 Nm @ 3000 RPM). This means 1987 Chevrolet Astro will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 929.
Compare all specifications:
| 1979 Mazda 929 | 1987 Chevrolet Astro | |
| Make | Mazda | Chevrolet |
| Model | 929 | Astro |
| Year Released | 1979 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 4293 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 183 HP |
| Engine RPM | 5000 RPM | 4400 RPM |
| Torque | 134 Nm | 338 Nm |
| Torque RPM | 3000 RPM | 2800 RPM |
| Engine Bore Size | 80 mm | 101.6 mm |
| Engine Stroke Size | 88 mm | 88.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 8 seats |
| Vehicle Weight | 1120 kg | 1895 kg |
| Vehicle Length | 4550 mm | 4830 mm |
| Vehicle Width | 1670 mm | 1980 mm |
| Vehicle Height | 1420 mm | 1910 mm |
| Wheelbase Size | 2520 mm | 2830 mm |
