Hertz cuts Shelby Mustang Mach-E GT-H prices from $65K to $40K as 29 units remain unsold. Limited performance upgrades may explain slow sales.

In 1966, the GT350H turned every airport counter into a pit lane and every gearhead into a weekend Shelby driver. Hertz stocked black-and-gold fastbacks and told America it could rent a race car for ...