The 2008 Toyota Tacoma tire size depends on trim: the Base, 2D Pickup, 4WD takes P245/75R16 109S; the Base, 2D Pickup, RWD, Automatic takes P215/70R15 97S; the Base, 2D Pickup, RWD, Standard takes P215/70R15 97S; the Base, 4D Pickup Extra Cab, 2.7 X, 4WD takes P245/75R16 109S; the Base, 4D Pickup Extra Cab, 2.7 X, RWD, Automatic takes P215/70R15 97S; the Base, 4D Pickup Extra Cab, 2.7 X, RWD, Standard takes P215/70R15 97S; the Base, 4D Pickup Extra Cab, 4.0 U, Automatic takes P245/75R16 109S; the Base, 4D Pickup Extra Cab, 4.0 U, Standard takes P245/75R16 109S; the Base, 4D Pickup, Automatic takes P245/75R16 109S; the Base, 4D Pickup, Standard takes P245/75R16 109S; the PreRunner, 2D Pickup takes P245/75R16 109S; the PreRunner, 4D Pickup takes P245/75R16 109S; the PreRunner, 4D Pickup Extra Cab, 2.7 X takes P245/75R16 109S; the PreRunner, 4D Pickup Extra Cab, 4.0 U, Automatic takes P245/75R16 109S; the PreRunner, 4D Pickup Extra Cab, 4.0 U, Standard takes P245/75R16 109S; the X-Runner takes P255/45R18 99V, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
Base, 2D Pickup, 4WD: P245/75R16 109S
Base, 2D Pickup, RWD, Automatic: P215/70R15 97S
Base, 2D Pickup, RWD, Standard: P215/70R15 97S
Base, 4D Pickup Extra Cab, 2.7 X, 4WD: P245/75R16 109S
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