1985 GMC Jimmy vs. 1979 Mazda 121
To start off, 1985 GMC Jimmy is newer by 6 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 4,298 cc (6 cylinders), 1985 GMC Jimmy is equipped with a bigger engine. In terms of performance, 1985 GMC Jimmy (153 HP @ 4000 RPM) has 63 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM). In normal driving conditions, 1985 GMC Jimmy should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1985 GMC Jimmy weights approximately 706 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 1985 GMC Jimmy 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, 1985 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, 1985 GMC Jimmy (312 Nm @ 2400 RPM) has 152 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 1985 GMC Jimmy will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1985 GMC Jimmy | 1979 Mazda 121 | |
| Make | GMC | Mazda |
| Model | Jimmy | 121 |
| Year Released | 1985 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 4298 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 153 HP | 90 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 312 Nm | 160 Nm |
| Torque RPM | 2400 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1840 kg | 1134 kg |
| Vehicle Length | 4690 mm | 4510 mm |
| Vehicle Width | 2030 mm | 1690 mm |
| Vehicle Height | 1840 mm | 1350 mm |
| Wheelbase Size | 2720 mm | 2520 mm |
