The 1985 Pontiac Fiero tire size depends on trim: the Base, 2.5 R, Automatic takes P185/80R13; the Base, 2.5 R, Standard takes P185/80R13; the Base, 2.8 9, Automatic takes P185/80R13; the Base, 2.8 9, Standard takes P185/80R13; the GT, Automatic takes P215/60R14; the GT, Standard takes P215/60R14; the SE, 2.5 R, Automatic takes P195/70R14; the SE, 2.5 R, Standard takes P195/70R14; the SE, 2.8 9, Automatic takes P195/70R14; the SE, 2.8 9, Standard takes P195/70R14, per the factory service manual.
Where to Buy & Install Tires for Your 1985 Pontiac Fiero
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