plate mounting. The tinted band across the windshield header changed from green to gray this year. A new option, the remote control trunk release, debuted this year. 1956 was the last year for the knobby, P-38 inspired tail fins on the rear of most Cadillacs, including the $4,587 Sixty Special. While the Cadillac division broke records by surpassing 150,000 units, Sixty Special slipped to an even 17,000 this year. Revamped trim included Cadillac crests on the front fenders, and a new grille (with a finer eggcrate design from last year) bearing a Cadillac script emblem, mounted at an angle, on the driver's side. Sixty Special script appeared on the front fenders below the Cadillac crest for the first time in the series history. Rear fenders held a chrome bead running along the top, while massive chrome spears with hash marks replaced the 1955's delicate chrome louvers on the rear sides. This chrome side trim morphed into the oval exhaust ports in the redesigned rear bumper. An anodized gold grille was optionally available on Sixty Special, while power brakes became standard equipment. New for 1956 was a larger powerplant producing combined with a revamped automatic transmission. Sabre Spoke wheels - standard on Eldorado - became available for Sixty Special, while inside, passenger seatbelts appeared on the option list. 1957–1958 Cadillac introduced its first production four-door hardtop, the Sedan DeVille, in 1956. When Cadillac redesigned all of its standard models for 1957, the Sixty Special adopted the pillarless design as well. Priced at a hefty $5,539 ($ in dollars ), the (shipping weight) Sixty Special production reached an impressive 24,000 units - a sales plateau that the nameplate would never achieve again. The chrome fender louvers, a Sixty Special trademark since 1942, were gone in favor of a giant ribbed metallic panel that occupied the entire lower half of the rear fender. The Sixty Special script was located to the top of the rear fin for 1958, and the word "Fleetwood" was spelled out in block lettering across the trunklid. Engineering treats included moving the optional air conditioning unit from the trunk to a space under the hood, and a foot-operated parking brake that released when the car was put in gear. The engine introduced last year was now bumped up to . In spite of all-new sheet metal on the 1957 models, much of Cadillac's attention was focused on the new