1990 Mazda RX-7 vs. 1985 Chevrolet Astro
To start off, 1990 Mazda RX-7 is newer by 5 year(s). Which means there will be less support and parts availability for 1985 Chevrolet Astro. In addition, the cost of maintenance, including insurance, on 1985 Chevrolet Astro would be higher. At 4,293 cc (6 cylinders), 1985 Chevrolet Astro is equipped with a bigger engine. In terms of performance, 1990 Mazda RX-7 (197 HP @ 6500 RPM) has 14 more horse power than 1985 Chevrolet Astro. (183 HP @ 4400 RPM). In normal driving conditions, 1990 Mazda RX-7 should accelerate faster than 1985 Chevrolet Astro. With that said, vehicle weight also plays an important factor in acceleration. 1985 Chevrolet Astro weights approximately 595 kg more than 1990 Mazda RX-7.
Because 1985 Chevrolet Astro is four wheel drive (4WD), it will have significant more traction and grip than 1990 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 1985 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, 1985 Chevrolet Astro (338 Nm @ 2800 RPM) has 68 more torque (in Nm) than 1990 Mazda RX-7. (270 Nm @ 3500 RPM). This means 1985 Chevrolet Astro will have an easier job in driving up hills or pulling heavy equipment than 1990 Mazda RX-7.
Compare all specifications:
| 1990 Mazda RX-7 | 1985 Chevrolet Astro | |
| Make | Mazda | Chevrolet |
| Model | RX-7 | Astro |
| Year Released | 1990 | 1985 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 4293 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 197 HP | 183 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Torque | 270 Nm | 338 Nm |
| Torque RPM | 3500 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 8 seats |
| Vehicle Weight | 1300 kg | 1895 kg |
| Vehicle Length | 4320 mm | 4830 mm |
| Vehicle Width | 1700 mm | 1980 mm |
| Vehicle Height | 1270 mm | 1910 mm |
| Wheelbase Size | 2430 mm | 2830 mm |
