1975 Chevrolet Blazer vs. 1980 Mazda RX-7
To start off, 1980 Mazda RX-7 is newer by 5 year(s). Which means there will be less support and parts availability for 1975 Chevrolet Blazer. In addition, the cost of maintenance, including insurance, on 1975 Chevrolet Blazer would be higher. At 6,555 cc (8 cylinders), 1975 Chevrolet Blazer is equipped with a bigger engine. In terms of performance, 1975 Chevrolet Blazer (173 HP @ 3600 RPM) has 69 more horse power than 1980 Mazda RX-7. (104 HP @ 6000 RPM). In normal driving conditions, 1975 Chevrolet Blazer should accelerate faster than 1980 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1975 Chevrolet Blazer weights approximately 820 kg more than 1980 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Chevrolet Blazer is four wheel drive (4WD), it will have significant more traction and grip than 1980 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 1975 Chevrolet Blazer 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, 1975 Chevrolet Blazer (393 Nm @ 2800 RPM) has 248 more torque (in Nm) than 1980 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1975 Chevrolet Blazer will have an easier job in driving up hills or pulling heavy equipment than 1980 Mazda RX-7. 1975 Chevrolet Blazer has automatic transmission and 1980 Mazda RX-7 has manual transmission. 1980 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 Chevrolet Blazer will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Chevrolet Blazer | 1980 Mazda RX-7 | |
| Make | Chevrolet | Mazda |
| Model | Blazer | RX-7 |
| Year Released | 1975 | 1980 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 6555 cc | 2292 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 173 HP | 104 HP |
| Engine RPM | 3600 RPM | 6000 RPM |
| Torque | 393 Nm | 145 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1880 kg | 1060 kg |
| Vehicle Length | 4670 mm | 4290 mm |
| Vehicle Width | 2050 mm | 1680 mm |
| Vehicle Height | 1870 mm | 1270 mm |
| Wheelbase Size | 2710 mm | 2430 mm |
