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Show "MORTALITY" OF AVERAGEH0T0R "Life" of Average Automobile Automo-bile Put at Six Years and Nine Months. The "life" of the average automobile automo-bile 'a six years and nine months, while the average cost ot operation, for a fmr-cylinder passenger car ts 6.43 cents per mile, and for a six-cylinder six-cylinder machine Is a0 cents per mile, based upon an average mileage of 11,000 miles per year, according to the American Motorists' association, In co-operation wltb the Automobile Club of Illinois. ' The "mortality" flgnre la based npon replacement data furnished by automobile auto-mobile manufacturers. The cost per mile la computed from detniled cost accounting records covering 8O0 typical typ-ical automobiles, operated In various parts of the United States. Maintenance Largest. The largest single Item in the composite com-posite "average automobile, for both the four and six cylinder machines, was maintenance, followed In both types by depreciation and gasoline consumption. Following Is a comparison com-parison of the operation costs of the "average" medium four and six cylinder cylin-der types: Items Cente per mile fente per mile four cylinder Sii cylinder Maintenance ...1.79 1.14 Depreciation ...IDS ' 1.06 Gaaolln 1.S1 1.S1 Tires 64 ' .80 Garapre .44 .44 Intereat 38 .71 Oil 11 . .20 Insurance , .11 .26 License ........ .14 .24 I i The above figures ore computed on a Jitleage of 11,000 miles per year, getting an average of 17.53 miles per gallon of gasoline for the average four-clylnder car and 13.19 miles per gallon for the iverage six-cylinder car. Operation Cost For the light four-cylinder model, the average operation cost Is shown to be 6.02 cents per mile; the heavy four-cylinder average type Is 7.20 cents per mile; the light six type Is 7.38 cents per mile, and the heavy slx-cyllnder type Is 9.45 cents per mile. |