The 1985 Nissan Pickup tire size depends on trim: the Base, 2D Pickup Extra Cab, 2.0 F takes P185/70R14; the Base, 2D Pickup Extra Cab, 2.4 N, 4WD takes P215/75R15; the Base, 2D Pickup Extra Cab, 2.4 N, RWD, Automatic takes P185/70R14; the Base, 2D Pickup Extra Cab, 2.4 N, RWD, Standard takes P185/70R14; the Base, 2D Pickup Extra Cab, 2.5 J takes P195/75R14; the Base, 2D Pickup, 4WD takes P215/75R15; the Base, 2D Pickup, RWD, Automatic takes P185/70R14; the Base, 2D Pickup, RWD, Standard takes P185/70R14; the ST, 2D Pickup Extra Cab, 4WD takes LT195/75R14 D; the ST, 2D Pickup Extra Cab, RWD, Automatic takes P185/70R14; the ST, 2D Pickup Extra Cab, RWD, Standard takes P185/70R14; the ST, 2D Pickup, 4WD takes LT195/75R14 D; the ST, 2D Pickup, RWD, Automatic takes P185/70R14; the ST, 2D Pickup, RWD, Standard takes P185/70R14, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
Base, 2D Pickup Extra Cab, 2.0 F: P185/70R14
Base, 2D Pickup Extra Cab, 2.4 N, 4WD: P215/75R15
Base, 2D Pickup Extra Cab, 2.4 N, RWD, Automatic: P185/70R14
Base, 2D Pickup Extra Cab, 2.4 N, RWD, Standard: P185/70R14
Base, 2D Pickup Extra Cab, 2.5 J: P195/75R14
Base, 2D Pickup, 4WD: P215/75R15
Base, 2D Pickup, RWD, Automatic: P185/70R14
Base, 2D Pickup, RWD, Standard: P185/70R14
ST, 2D Pickup Extra Cab, 4WD: LT195/75R14 D
ST, 2D Pickup Extra Cab, RWD, Automatic: P185/70R14
ST, 2D Pickup Extra Cab, RWD, Standard: P185/70R14
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