1979 Mazda 121 vs. 2001 Jeep Grand Cherokee
To start off, 2001 Jeep Grand Cherokee is newer by 22 year(s). Which means there will be less support and parts availability for 1979 Mazda 121. In addition, the cost of maintenance, including insurance, on 1979 Mazda 121 would be higher. At 3,960 cc (6 cylinders), 2001 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2001 Jeep Grand Cherokee (195 HP @ 4600 RPM) has 105 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM) In normal driving conditions, 2001 Jeep Grand Cherokee should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2001 Jeep Grand Cherokee weights approximately 582 kg more than 1979 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 Jeep Grand Cherokee is four wheel drive (4WD), it will have significant more traction and grip than 1979 Mazda 121. In wet, icy, snow, or gravel driving conditions, 2001 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, 2001 Jeep Grand Cherokee (312 Nm @ 3000 RPM) has 152 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 2001 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1979 Mazda 121 | 2001 Jeep Grand Cherokee | |
| Make | Mazda | Jeep |
| Model | 121 | Grand Cherokee |
| Year Released | 1979 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3960 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 195 HP |
| Engine RPM | 4800 RPM | 4600 RPM |
| Torque | 160 Nm | 312 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Bore Size | 80 mm | 98.3 mm |
| Engine Stroke Size | 98 mm | 86.6 mm |
| Engine Compression Ratio | 8.6:1 | 8.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1134 kg | 1716 kg |
| Vehicle Length | 4510 mm | 4620 mm |
| Vehicle Width | 1690 mm | 1840 mm |
| Vehicle Height | 1350 mm | 1770 mm |
| Wheelbase Size | 2520 mm | 2700 mm |
