1978 Mazda RX-7 vs. 1999 Jeep Grand Cherokee
To start off, 1999 Jeep Grand Cherokee is newer by 21 year(s). Which means there will be less support and parts availability for 1978 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1978 Mazda RX-7 would be higher. At 3,955 cc (6 cylinders), 1999 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 1999 Jeep Grand Cherokee (187 HP @ 5000 RPM) has 82 more horse power than 1978 Mazda RX-7. (105 HP @ 6000 RPM) In normal driving conditions, 1999 Jeep Grand Cherokee should accelerate faster than 1978 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1999 Jeep Grand Cherokee weights approximately 740 kg more than 1978 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 (295 Nm @ 3050 RPM) has 150 more torque (in Nm) than 1978 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 1978 Mazda RX-7. 1999 Jeep Grand Cherokee has automatic transmission and 1978 Mazda RX-7 has manual transmission. 1978 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:
1978 Mazda RX-7 | 1999 Jeep Grand Cherokee | |
Make | Mazda | Jeep |
Model | RX-7 | Grand Cherokee |
Year Released | 1978 | 1999 |
Body Type | Coupe | SUV |
Engine Position | Front | Front |
Engine Size | 2292 cc | 3955 cc |
Engine Type | dual-disk rotary | in-line |
Horse Power | 105 HP | 187 HP |
Engine RPM | 6000 RPM | 5000 RPM |
Torque | 145 Nm | 295 Nm |
Torque RPM | 4000 RPM | 3050 RPM |
Fuel Type | Gasoline | Gasoline |
Top Speed | 185 km/hour | 180 km/hour |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1060 kg | 1800 kg |
Vehicle Length | 4290 mm | 4620 mm |
Vehicle Width | 1680 mm | 1810 mm |
Vehicle Height | 1280 mm | 1770 mm |
Wheelbase Size | 2430 mm | 2660 mm |
Fuel Tank Capacity | 65 L | 87 L |