1999 Jeep Grand Cherokee vs. 1984 Mazda RX-7
To start off, 1999 Jeep Grand Cherokee is newer by 15 year(s). Which means there will be less support and parts availability for 1984 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1984 Mazda RX-7 would be higher. At 4,701 cc (8 cylinders), 1999 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 1999 Jeep Grand Cherokee (218 HP @ 4700 RPM) has 114 more horse power than 1984 Mazda RX-7. (104 HP @ 6000 RPM). In normal driving conditions, 1999 Jeep Grand Cherokee should accelerate faster than 1984 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1999 Jeep Grand Cherokee weights approximately 750 kg more than 1984 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1999 Jeep Grand Cherokee (390 Nm @ 3200 RPM) has 245 more torque (in Nm) than 1984 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1999 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 1984 Mazda RX-7. 1999 Jeep Grand Cherokee has automatic transmission and 1984 Mazda RX-7 has manual transmission. 1984 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Jeep Grand Cherokee will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Jeep Grand Cherokee | 1984 Mazda RX-7 | |
| Make | Jeep | Mazda |
| Model | Grand Cherokee | RX-7 |
| Year Released | 1999 | 1984 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4701 cc | 2292 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 218 HP | 104 HP |
| Engine RPM | 4700 RPM | 6000 RPM |
| Torque | 390 Nm | 145 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1810 kg | 1060 kg |
| Vehicle Length | 4620 mm | 4290 mm |
| Vehicle Width | 1850 mm | 1680 mm |
| Vehicle Height | 1770 mm | 1270 mm |
| Wheelbase Size | 2700 mm | 2430 mm |
