The 1988 Ford Ranger tire size depends on trim: the 2D Pickup Extra Cab, 2.3 A, 4WD, FM146 takes P215/75R15; the 2D Pickup Extra Cab, 2.3 A, 4WD, M5OD-R1 takes P215/75R15; the 2D Pickup Extra Cab, 2.3 A, RWD, Automatic takes P215/70R14; the 2D Pickup Extra Cab, 2.3 A, RWD, Standard takes P215/70R14; the 2D Pickup Extra Cab, 2.9 T, 4WD, Automatic takes P215/75R15; the 2D Pickup Extra Cab, 2.9 T, 4WD, Standard takes P215/75R15; the 2D Pickup Extra Cab, 2.9 T, RWD, Automatic takes P215/70R14; the 2D Pickup Extra Cab, 2.9 T, RWD, Standard takes P215/70R14; the 2D Pickup, 2.0 C takes P195/70R14; the 2D Pickup, 2.3 A, 4WD, FM146 takes P215/75R15; the 2D Pickup, 2.3 A, 4WD, M5OD-R1 takes P215/75R15; the 2D Pickup, 2.3 A, RWD, Automatic takes P215/70R14; the 2D Pickup, 2.3 A, RWD, Standard takes P215/70R14; the 2D Pickup, 2.9 T, 4WD, Automatic takes P215/75R15; the 2D Pickup, 2.9 T, 4WD, Standard takes P215/75R15; the 2D Pickup, 2.9 T, RWD, Automatic takes P215/70R14; the 2D Pickup, 2.9 T, RWD, Standard takes P215/70R14, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
2D Pickup Extra Cab, 2.3 A, 4WD, FM146: P215/75R15
2D Pickup Extra Cab, 2.3 A, 4WD, M5OD-R1: P215/75R15
2D Pickup Extra Cab, 2.3 A, RWD, Automatic: P215/70R14
2D Pickup Extra Cab, 2.3 A, RWD, Standard: P215/70R14
2D Pickup Extra Cab, 2.9 T, 4WD, Automatic: P215/75R15
2D Pickup Extra Cab, 2.9 T, 4WD, Standard: P215/75R15
2D Pickup Extra Cab, 2.9 T, RWD, Automatic: P215/70R14
2D Pickup Extra Cab, 2.9 T, RWD, Standard: P215/70R14
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