1979 Mazda RX-7 vs. 1999 Jeep Grand Cherokee
To start off, 1999 Jeep Grand Cherokee is newer by 20 year(s). Which means there will be less support and parts availability for 1979 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1979 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 1979 Mazda RX-7. (104 HP @ 6000 RPM) In normal driving conditions, 1999 Jeep Grand Cherokee should accelerate faster than 1979 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 1979 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Jeep Grand Cherokee is four wheel drive (4WD), it will have significant more traction and grip than 1979 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 (390 Nm @ 3200 RPM) has 245 more torque (in Nm) than 1979 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 1979 Mazda RX-7. 1999 Jeep Grand Cherokee has automatic transmission and 1979 Mazda RX-7 has manual transmission. 1979 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:
1979 Mazda RX-7 | 1999 Jeep Grand Cherokee | |
Make | Mazda | Jeep |
Model | RX-7 | Grand Cherokee |
Year Released | 1979 | 1999 |
Body Type | Coupe | SUV |
Engine Position | Front | Front |
Engine Size | 2292 cc | 4701 cc |
Engine Type | dual-disk rotary | V |
Horse Power | 104 HP | 218 HP |
Engine RPM | 6000 RPM | 4700 RPM |
Torque | 145 Nm | 390 Nm |
Torque RPM | 4000 RPM | 3200 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Automatic |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1060 kg | 1810 kg |
Vehicle Length | 4290 mm | 4620 mm |
Vehicle Width | 1680 mm | 1850 mm |
Vehicle Height | 1270 mm | 1770 mm |
Wheelbase Size | 2430 mm | 2700 mm |