Cadillac Sixteen
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The Cadillac Sixteen concept car has a 13.6 liter 16 cylinder engine . It is a pushrod engine that employees GM’s cylinder cut off system . It can be cut back to run on 8 cylinders or even just 4 cylinders . It is rated at 1000 horsepower and 1000 pounds of torque . It is estimated to get up to 20 miles per gallon highway , when cruising .
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Its 140 inch wheel base should give it a very stable ride on the highway ?