1970 Jeep CJ5 vs. 1991 Mazda RX-7
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 Jeep CJ5. In addition, the cost of maintenance, including insurance, on 1970 Jeep CJ5 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 138 more horse power than 1970 Jeep CJ5. (59 HP @ 3600 RPM) In normal driving conditions, 1991 Mazda RX-7 should accelerate faster than 1970 Jeep CJ5. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mazda RX-7 weights approximately 272 kg more than 1970 Jeep CJ5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1970 Jeep CJ5 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 1970 Jeep CJ5 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, 1991 Mazda RX-7 (270 Nm @ 3500 RPM) has 125 more torque (in Nm) than 1970 Jeep CJ5. (145 Nm @ 3600 RPM). This means 1991 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1970 Jeep CJ5.
Compare all specifications:
| 1970 Jeep CJ5 | 1991 Mazda RX-7 | |
| Make | Jeep | Mazda |
| Model | CJ5 | RX-7 |
| Year Released | 1970 | 1991 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2199 cc | 2616 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 59 HP | 197 HP |
| Engine RPM | 3600 RPM | 6500 RPM |
| Torque | 145 Nm | 270 Nm |
| Torque RPM | 3600 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1030 kg | 1302 kg |
| Vehicle Length | 3520 mm | 4320 mm |
| Vehicle Width | 1550 mm | 1700 mm |
| Vehicle Height | 1740 mm | 1270 mm |
| Wheelbase Size | 2060 mm | 2430 mm |
