1991 Mazda RX-7 vs. 1970 Mazda Familia
To start off, 1991 Mazda RX-7 is newer by 21 year(s). Which means there will be less support and parts availability for 1970 Mazda Familia. In addition, the cost of maintenance, including insurance, on 1970 Mazda Familia would be higher. At 2,616 cc, 1991 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1991 Mazda RX-7 (197 HP @ 6500 RPM) has 148 more horse power than 1970 Mazda Familia. (49 HP @ 6000 RPM). In normal driving conditions, 1991 Mazda RX-7 should accelerate faster than 1970 Mazda Familia. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mazda RX-7 weights approximately 560 kg more than 1970 Mazda Familia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Mazda RX-7 (271 Nm @ 3500 RPM) has 192 more torque (in Nm) than 1970 Mazda Familia. (79 Nm @ 3500 RPM). This means 1991 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1970 Mazda Familia.
Compare all specifications:
| 1991 Mazda RX-7 | 1970 Mazda Familia | |
| Make | Mazda | Mazda |
| Model | RX-7 | Familia |
| Year Released | 1991 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 987 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 197 HP | 49 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 271 Nm | 79 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1300 kg | 740 kg |
| Vehicle Length | 4320 mm | 3790 mm |
| Vehicle Width | 1700 mm | 1470 mm |
| Vehicle Height | 1270 mm | 1390 mm |
| Wheelbase Size | 2440 mm | 2200 mm |
