4 . 7 3   ft ▁( 1 . 4 4   m ), ▁and ▁rear ▁track ▁of ▁ 4 . 6 9   ft ▁( 1 . 4 3 ▁m ). ▁ ▁Its ▁fuel ▁tank ▁held ▁ 1 3 . 5 ▁imperial ▁gall ons . ▁ ▁From ▁ 1 9 6 6 , ▁Be aum ont ▁was ▁designated ▁as ▁a ▁separate ▁make , ▁without ▁the ▁Ac ad ian ▁name ; ▁ 1 9 6 6 - 6 9 ▁Be aum ont s ▁continued ▁to ▁use ▁the ▁Che v ro let ▁Che vel le ▁body ▁with ▁minor ▁sty ling ▁revis ions , ▁including ▁different ▁ta ill ights ▁and ▁a ▁Pont iac - style ▁split ▁gr ille . ▁The ▁interior ▁used ▁the ▁instrument ▁panel ▁from ▁the ▁American ▁Pont iac ▁Temp est / Le M ans / G TO ▁series . ▁D riv etra ins ▁were ▁the ▁same ▁as ▁the ▁contemporary ▁Che vel le ▁with ▁the ▁exception ▁of ▁the ▁ 3 9 6 ▁with ▁ 3 7 5 ▁r ated ▁b hp , ▁as ▁were ▁model ▁offer ings . ▁ ▁The ▁one ▁exception ▁to ▁Che vel le / Be aum ont ▁avail ability ▁was ▁a ▁base - model ▁Be aum ont ▁convert ible . ▁ ▁Such ▁a ▁model ▁was ▁never ▁available ▁in ▁the ▁Che vel le ▁line ▁in ▁the ▁USA , ▁although ▁it ▁was ▁in ▁Canada . ▁ ▁All ▁Ac ad ians ▁and ▁Be aum ont s ▁used ▁Che v ro let ▁engines ▁and ▁dri vel ines . ▁The ▁Be aum ont ▁was ▁dis cont