1977 Mazda 121 vs. 1988 GMC Jimmy
To start off, 1988 GMC Jimmy is newer by 11 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 4,299 cc (6 cylinders), 1988 GMC Jimmy is equipped with a bigger engine. In terms of performance, 1988 GMC Jimmy (158 HP @ 4000 RPM) has 72 more horse power than 1977 Mazda 121. (86 HP @ 4800 RPM) In normal driving conditions, 1988 GMC Jimmy should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1988 GMC Jimmy weights approximately 320 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.
Because 1988 GMC Jimmy is four wheel drive (4WD), it will have significant more traction and grip than 1977 Mazda 121. In wet, icy, snow, or gravel driving conditions, 1988 GMC Jimmy 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, 1988 GMC Jimmy (313 Nm @ 2800 RPM) has 153 more torque (in Nm) than 1977 Mazda 121. (160 Nm @ 3000 RPM). This means 1988 GMC Jimmy will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.
Compare all specifications:
| 1977 Mazda 121 | 1988 GMC Jimmy | |
| Make | Mazda | GMC |
| Model | 121 | Jimmy |
| Year Released | 1977 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 4299 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 158 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Torque | 160 Nm | 313 Nm |
| Torque RPM | 3000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 1130 kg | 1450 kg |
| Vehicle Length | 4510 mm | 4330 mm |
| Vehicle Width | 1690 mm | 1670 mm |
| Vehicle Height | 1350 mm | 1630 mm |
| Wheelbase Size | 2520 mm | 2560 mm |
