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1979 Mazda 121 vs. 1999 Jeep Grand Cherokee

To start off, 1999 Jeep Grand Cherokee is newer by 20 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 3,955 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 97 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM) In normal driving conditions, 1999 Jeep Grand Cherokee should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1999 Jeep Grand Cherokee weights approximately 666 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 1999 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, 1999 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, 1999 Jeep Grand Cherokee (295 Nm @ 3050 RPM) has 135 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 1999 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 1999 Jeep Grand Cherokee
Make Mazda Jeep
Model 121 Grand Cherokee
Year Released 1979 1999
Engine Position Front Front
Engine Size 1970 cc 3955 cc
Engine Cylinders 4 cylinders 6 cylinders
Engine Type in-line in-line
Horse Power 90 HP 187 HP
Engine RPM 4800 RPM 5000 RPM
Torque 160 Nm 295 Nm
Torque RPM 3000 RPM 3050 RPM
Engine Bore Size 80 mm 98.6 mm
Engine Stroke Size 98 mm 86.6 mm
Fuel Type Gasoline Gasoline
Drive Type Rear 4WD
Number of Seats 4 seats 5 seats
Vehicle Weight 1134 kg 1800 kg
Vehicle Length 4510 mm 4620 mm
Vehicle Width 1690 mm 1810 mm
Vehicle Height 1350 mm 1770 mm
Wheelbase Size 2520 mm 2660 mm


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