1999 Jeep Grand Cherokee vs. 1989 Mazda RX-7
To start off, 1999 Jeep Grand Cherokee is newer by 10 year(s). Which means there will be less support and parts availability for 1989 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1989 Mazda RX-7 would be higher. At 3,125 cc (5 cylinders), 1999 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 1989 Mazda RX-7 (149 HP @ 6500 RPM) has 11 more horse power than 1999 Jeep Grand Cherokee. (138 HP @ 3600 RPM) In normal driving conditions, 1989 Mazda RX-7 should accelerate faster than 1999 Jeep Grand Cherokee. With that said, vehicle weight also plays an important factor in acceleration. 1999 Jeep Grand Cherokee weights approximately 620 kg more than 1989 Mazda RX-7.
Because 1999 Jeep Grand Cherokee is four wheel drive (4WD), it will have significant more traction and grip than 1989 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 1999 Jeep Grand Cherokee 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, 1999 Jeep Grand Cherokee (384 Nm @ 1800 RPM) has 198 more torque (in Nm) than 1989 Mazda RX-7. (186 Nm @ 3000 RPM). This means 1999 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 1989 Mazda RX-7. 1999 Jeep Grand Cherokee has automatic transmission and 1989 Mazda RX-7 has manual transmission. 1989 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 | 1989 Mazda RX-7 | |
| Make | Jeep | Mazda |
| Model | Grand Cherokee | RX-7 |
| Year Released | 1999 | 1989 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3125 cc | 2616 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 138 HP | 149 HP |
| Engine RPM | 3600 RPM | 6500 RPM |
| Torque | 384 Nm | 186 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1850 kg | 1230 kg |
| Vehicle Length | 4620 mm | 4320 mm |
| Vehicle Width | 1850 mm | 1700 mm |
| Vehicle Height | 1770 mm | 1270 mm |
| Wheelbase Size | 2700 mm | 2440 mm |
