limited production Eldorado Brougham. This new four-door model did not pose a threat to Sixty Special production, since the new Brougham was a hand-built, limited-production specialty model with a stupendously steep $13,074 price tag ($ in dollars ) – more than double a new Sixty Special. Power windows and brakes were standard. A pre-selector radio was optional. 1958 saw extensive design changes, even though the cars were entirely revamped for 1957. Horsepower from the engine was now at . Sparkling "studs" decorated the wide new grille, while the rubber-tipped bumper guards were moved further out towards the edges of the car – leaving a lower, wider look. Four headlights, a style that appeared on last year's Eldorado Brougham, were adopted for all Cadillacs, including the $6,117 Sixty Special. Full fender skirts practically hid the rear wheels from sight, and the massive ribbed stainless steel trim occupied the lower half of the rear fender. Small vent windows were added to Sixty Special's rear doors, and newly available power door locks were optional. This marked the last year that the Sixty Special would maintain a stretched GM C-Body until its return in the 1965 model year. The model year 1958 would also be the last that the Sixty Special script would actually appear anywhere on the car. Sales for the 4,930 pound (shipping weight) car slid to 12,900 units – nearly half of last year's production. 1959–1960 In 1959, the memorable fins appeared on nearly all Cadillacs this year, including the Sixty Special. Now riding a -shorter wheelbase (), the -long Sixty Special continued as a pillarless hardtop with its own distinct moldings - including a side-mounted dummy air-scoop on the rear fender, and a thin chrome bead that ran from the front fender back to the rear bumper, and then forward again to the front wheel well. The fin-mounted tail lights pods (which were body-colored on lesser Cadillacs) were chromed. The engine provided . Air suspension, utilizing freon-filled shock absorbers, was optional on Sixty Special. Cadillac also advertised a new "Scientifically engineered" drainage system. Although the Sixty Special script was gone, the Fleetwood script remained, and since the only other Cadillac bodied by Fleetwood was the Series 75, for this and many other reasons, there was no confusing the Sixty Special with other Cadillacs. However a front fender-mounted cloisonne "Sixty Special" emblem would appear the following year and last through 1962.