1975 Jeep Grand Wagoneer vs. 1981 Mazda RX-7
To start off, 1981 Mazda RX-7 is newer by 6 year(s). Which means there will be less support and parts availability for 1975 Jeep Grand Wagoneer. In addition, the cost of maintenance, including insurance, on 1975 Jeep Grand Wagoneer would be higher. At 4,235 cc (6 cylinders), 1975 Jeep Grand Wagoneer is equipped with a bigger engine. In terms of performance, 1975 Jeep Grand Wagoneer (110 HP @ 3500 RPM) has 6 more horse power than 1981 Mazda RX-7. (104 HP @ 6000 RPM). In normal driving conditions, 1975 Jeep Grand Wagoneer should accelerate faster than 1981 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1975 Jeep Grand Wagoneer weights approximately 670 kg more than 1981 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Jeep Grand Wagoneer is four wheel drive (4WD), it will have significant more traction and grip than 1981 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 1975 Jeep Grand Wagoneer 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 Jeep Grand Wagoneer (270 Nm @ 2000 RPM) has 125 more torque (in Nm) than 1981 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1975 Jeep Grand Wagoneer will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda RX-7.
Compare all specifications:
| 1975 Jeep Grand Wagoneer | 1981 Mazda RX-7 | |
| Make | Jeep | Mazda |
| Model | Grand Wagoneer | RX-7 |
| Year Released | 1975 | 1981 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4235 cc | 2292 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 110 HP | 104 HP |
| Engine RPM | 3500 RPM | 6000 RPM |
| Torque | 270 Nm | 145 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1730 kg | 1060 kg |
| Vehicle Length | 4670 mm | 4300 mm |
| Vehicle Width | 1930 mm | 1680 mm |
| Vehicle Height | 1670 mm | 1280 mm |
| Wheelbase Size | 2800 mm | 2430 mm |
