2004 Jeep Grand Cherokee vs. 1977 Mazda 121
To start off, 2004 Jeep Grand Cherokee is newer by 27 year(s). Which means there will be less support and parts availability for 1977 Mazda 121. In addition, the cost of maintenance, including insurance, on 1977 Mazda 121 would be higher. At 3,966 cc (6 cylinders), 2004 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2004 Jeep Grand Cherokee (195 HP @ 3800 RPM) has 109 more horse power than 1977 Mazda 121. (86 HP @ 4800 RPM). In normal driving conditions, 2004 Jeep Grand Cherokee should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2004 Jeep Grand Cherokee weights approximately 670 kg more than 1977 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Jeep Grand Cherokee (312 Nm @ 3000 RPM) has 152 more torque (in Nm) than 1977 Mazda 121. (160 Nm @ 3000 RPM). This means 2004 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.
Compare all specifications:
| 2004 Jeep Grand Cherokee | 1977 Mazda 121 | |
| Make | Jeep | Mazda |
| Model | Grand Cherokee | 121 |
| Year Released | 2004 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 3966 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 195 HP | 86 HP |
| Engine RPM | 3800 RPM | 4800 RPM |
| Torque | 312 Nm | 160 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Compression Ratio | 8.8:1 | 8.6:1 |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1800 kg | 1130 kg |
| Vehicle Length | 4610 mm | 4510 mm |
| Vehicle Width | 1840 mm | 1690 mm |
| Vehicle Height | 1770 mm | 1350 mm |
| Wheelbase Size | 2700 mm | 2520 mm |
