The 1989 Mitsubishi Pickup tire size depends on trim: the Mighty Max Sport, 4WD takes P225/75R15; the Mighty Max 1 Ton takes LT195/75R14 C; the Mighty Max Sport, RWD takes P205/75R14; the Mighty Max, 2D Pickup Extra Cab, Automatic takes P195/75R14; the Mighty Max, 2D Pickup Extra Cab, Standard takes P195/75R14; the Mighty Max, 2D Pickup, 2.0 D, Automatic takes P195/75R14; the Mighty Max, 2D Pickup, 2.0 D, Standard takes P195/75R14; the Mighty Max, 2D Pickup, 2.6 E takes P225/75R15; the SPX, 2D Pickup takes P225/75R15; the SPX, 2D Pickup Extra Cab, RWD takes P205/75R14; the SPX, 2D Pickup Extra Cab, 4WD takes P225/75R15, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
Mighty Max Sport, 4WD: P225/75R15
Mighty Max 1 Ton: LT195/75R14 C
Mighty Max Sport, RWD: P205/75R14
Mighty Max, 2D Pickup Extra Cab, Automatic: P195/75R14
Mighty Max, 2D Pickup Extra Cab, Standard: P195/75R14
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