Mazda toiled for two years to preserve the MX-5 Miata’s aesthetics with the power retractable hardtop raised and to keep the added weight down to preserve the sports car’s perfect balance. An “engineering marvel,” the MX-5 Miata PRHT’s hardtop adds just 80 pounds to the lightweight standard car, and is the only retractable to collapse into the same space as the standard soft top. In fact, the MX-5 Miata PRHT’s trunk is a smidgen larger than the standard model, thanks to a reshaped decklid with a crisply folded trailing edge and clear-lens center-mounted brake lamp.