The 1996 Chevrolet Sportvan tire size depends on trim: the Van Passenger Extended, 5.7 K, L05 takes LT225/75R16 E; the Van Passenger Extended, 5.7 K, _NA_, CNG takes LT225/75R16 E; the Van Passenger Extended, 6.5 Y takes LT225/75R16 E; the Van Passenger, 5.7 K, L05, 4L60E/M30 takes LT225/75R16 E; the Van Passenger, 5.7 K, L05, 4L80E/MT1 takes LT225/75R16 E; the Van Passenger, 5.7 K, _NA_, CNG takes LT225/75R16 E; the Van Passenger, 6.5 Y takes LT225/75R16 E, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
Van Passenger Extended, 5.7 K, L05: LT225/75R16 E
Van Passenger Extended, 5.7 K, _NA_, CNG: LT225/75R16 E
Van Passenger Extended, 6.5 Y: LT225/75R16 E
Van Passenger, 5.7 K, L05, 4L60E/M30: LT225/75R16 E
Van Passenger, 5.7 K, L05, 4L80E/MT1: LT225/75R16 E