ORIGINAL EQUIPMENT SIZES FOR:

1991 Buick Commercial Chassis \ 4 Dr Cab & Chassis Base

YOUR VEHICLE'S OEM TIRE SIZE

Based on our records, this should be your vehicle's current tire size.

OE Wheel Diameter: 15" 225/75R15 (101S)
  • Optional Wheel Diameter: 16"
    225/70R16

    (87 tire models available)

  • Optional Wheel Diameter: 17"
    225/65R17

    (141 tire models available)

SELECT YOUR CURRENT TIRE SIZE

Different size for rear tires?