The Cadillac Series 40-62 is a series of cars which was produced by Cadillac from 1940 through 1964. Originally designed to complement the entry-level Series 61, it became the Cadillac Series 6200 in 1959, and remained that until it was renamed to Cadillac Calais for the 1965 model year. The Series 62 was also marketed as the Sixty-Two1940 Cadillac brochure, www.lov2xlr8.no Retrieved 2016-07-08. and the Series Sixty-Two.1941 Cadillac brochure, www.lov2xlr8.no Retrieved 2016-07-08. The Series 62 was used to introduce the Cadillac Coupe de Ville and the Cadillac Eldorado, which started out as special appearance packages that were later placed into production.

First generation (1940–1941)

The Fisher-bodied Series 40-62 was the new entry-level product for the 1940 model line and was upgraded with a low, sleek "torpedo" style C-body with chrome window reveals, more slant in the windshield, and a curved rear window. The new C-body that the 1940 Cadillac Series 62 shared with the Buick Roadmaster and Super, the Oldsmobile Series 90 and the Pontiac Custom Torpedo featured shoulder and hip room that was over 5 inches wider, the elimination of running boards and exterior styling that was streamlined and 2-3 inches lower. When combined with a column-mounted shift lever connected to the Hydramatic automatic transmission, the cars offered true six-passenger comfort. It was GM's competitor to the popular-selling Packard One-Twenty.

These changes were carried over to the Cadillac Sixty Special borrowing a naming convention from the entry-level Buick Special. The styling feature distinguishing all V-8 Cadillacs was once again the grille. Although grilles had the same pointed shape as in 1939, the grille bars were heavier and fewer in number. Two sets of louver bars appeared on each side of the hood. Running boards were a no cost option. The Series 62 was available as a club coupe or a sedan, with 2-door and 4-door convertibles introduced mid-year. Sales totaled 5,903 in its inaugural year accounting for about 45% of Cadillac's sales. The 2-passenger Coupe was listed for US$1,685 ($ in dollars ), the 5-passenger Touring Sedan was US$1,745 ($ in dollars ), and the 4-door Convertible Sedan was US$2,195 ($ in dollars ). While the 2-door could only accommodate 2 passengers, they were labeled as "coupes" instead of the more accurate roadster, then in 1941 passenger capacity increased to four.

In 1941, the one piece hood came down lower in the front, included the side panels and extended sideways to the fenders. A single rectangular panel of louver trim was used on each side of the hood. The rectangular grille was wide, vertical, and bulged forward in the middle. Rectangular parking lights were built into the top outer corners of the grille. Headlights were now built into the nose of the fenders, and provision for built in accessory fog lights was provided under the headlights. Three chrome spears appeared on the rear section of all four fenders. Rear fender skirts were standard. The Series 62 offered the only 4-door convertible built by Cadillac in 1941 and it would be the last time this bodystyle was ever made by the marque. All Cadillacs shared the same 135 hp (101 kW) L-head V8 that year, with power rising to 150 hp (112 kW).

Sales more than quadrupled to 24,734, accounting for 37% of Cadillac sales in a sales year that well more than doubled the previous Cadillac sales rate record set during the two model years of 1926–27, in part due to the huge popularity of the new Series 61. Evidently the new "torpedo" style with its low streamlined runningboardless bodies and expansive shoulder room had proved a big hit. The following model year, abbreviated as it was by a world war, would set no such sales record.

Second generation (1942, 1946–1947)

The grille became more massive in 1942, with even fewer bars and was the beginning of the traditional "egg crate" appearance that all future products adopted. Parking lights became round and fog light sockets became rectangular and were included in the grille area. A bullet shape appeared on the tops of the bumper guards. Fenders were rounded and longer and no longer featured side ventilation grilles. Front fender character outlines now extended into the front doors, a feature GM called "Airfoil" for all products for that year, and rear fenders extended forward into the rear door. The new fenders had heavy moldings along the sides. The appearance was more expressive and expansive in comparison to the all-new Packard Clipper introduced at the same time. A new fresh air ventilating system with air ducts leading from the grille replaced cowl ventilators. Handbrake control was changed from lever to tee-shaped pull handle. Radiator shutter control of engine temperature was replaced by a blocking type thermostat in the water return fitting in the radiator. Vehicles that were built until February 1942 could be identified as lacking chrome trim starting in January when it was prohibited due to wartime production and trim pieces including bumpers were painted.

The first postwar Cadillac rolled off the line on October 7, 1945, and for several months, only Series 62s were produced. 1946 Cadillacs were not significantly altered from 1942 outside a few styling changes and the addition of a negative ground battery. The Series 62 retained the same lineup of body styles as in 1942—coupe, sedan, and convertible, and 18,565 total were produced for the model year, approximately 65% of Cadillac's total 1946 output of 29,000 vehicles. Resuming civilian production was a difficult task for the entire automobile industry and demand for new cars much exceeded supply. Cadillac had as many as 100,000 unfilled orders into 1947. Due to materials shortages, some Cadillacs shipped from the factory with wooden bumpers, dealers being expected to install proper ones as they became available. Postwar inflation pushed the sticker price of a 1946 Cadillac over $1000 higher than 1942.

In 1946, the Series 62 used GM's C-body platform, as did the Cadillac Sixty Special, Buick Super and Buick Roadmaster, and Oldsmobile 98. Notchback styling characterized the cars except for the Club Coupe which had fastback styling. It was easy to distinguish the Series 62 coupe from the Series 61 because the door skins did not flare out above the rocker panel moldings, and the side window openings were lower and the reveal window moldings circled each window individually instead of looping around all the windows. The Series 62 sedan featured ventiplanes on both the front and rear door windows. It was also the first Cadillac to enter production after World War II. Interior styling and technical features were similar to those seen on the Cadillac Series 61 but with slightly richer interior appointments. Late 1946 models introduced technical changes to the V8 engine in the form of hardened ball seats for the hydraulic lifters.

The 1947 models received minor styling changes and the addition of Hydro-Lectric window lifts on the Series 62 convertible, which remained the sole convertible in Cadillac's lineup. 1947 grilles featured five horizontal blades in place of the six blades used for 1946.John Gunnell, Standard Catalog of American Cars, 1946-1975, Revised 4th Edition Polished metal stone guards on the fenders replaced the rubber ones used on 1946 models. As before, Series 62s remained Cadillac's best-selling model with 39,834 produced, 84% of the make's total 1947 volume.

Third generation (1948–1953)

The first all-new postwar Cadillacs arrived in 1948, sporting tail fins inspired by the Lockheed P-38 fighter plane on a Cadillac. Series 62 Cadillacs had a slightly shortened wheelbase, but the track width was increased by two inches, increasing interior room. However, updated drivetrains would have to wait another year and for the time being, the new Cadillacs were still powered by the same 346 CID flathead V8 used across the board since 1941, which delivered only fair performance (0-60 in 16 seconds with a top speed of 93 mph). Fuel mileage was an estimated 14 mpg highway, 10 mpg city with the Hydramatic transmission, which was rapidly becoming the norm — by 1949, only 10% of Cadillacs were ordered with the 3-speed manual gearbox. Series 62 production totaled 34,213 vehicles for the 1948 model year, accounting for 68% of Cadillac's volume. The 1948 models had been slow to get into production and did not arrive in showrooms until February 1948, consequently Cadillac produced only 50,599 total vehicles for the abbreviated model year.

The new Cadillac OHV V8 was the big news for 1949, with minor trim differences otherwise. This 331 cu in (5.4 L) engine produced 160 hp (119 kW) and weighed 200 pounds less than the old flathead V8 in addition to being shorter and lower. The 331 V8 could also handle higher compression levels to take advantage of improved, higher octane postwar gasoline formulations. The major difference between Series 61 and Series 62 models of similar body style was minor trim variations. The higher-priced series again had grooved, front fender stone shields and bright rocker panel moldings. Chevrons below the taillights were no longer seen. The convertible was an exclusive offering. A heater was optional. Sales reached a record 55,643.

The Cadillac Series 62 Coupe de Ville was introduced late in the 1949 model year. Along with the Buick Roadmaster Riviera, and the Oldsmobile 98 Holiday, it was among the first pillarless hardtop coupes ever produced. At $3,496 ($ in dollars ) it was only a dollar less than the Series 62 convertible, and like the convertible, it came with power windows standard. It was luxuriously trimmed, with leather upholstery and chrome 'bows' in the headliner to simulate the ribs of a convertible top.

55,643 Series 62 Cadillacs were produced in 1949 out of a total volume of 92,554 vehicles.

For 1950, major styling changes were performed. The cars were lower and sleeker, with longer hoods, and one-piece windshields were fitted. Hydra Matic transmission was now standard. The Series 61 was again a short wheelbase model, having been reduced to 122 in (3099 mm). Sales set yet another record at 59,818.

Full-length chrome rocker panels set off the 1951 model, and the Coupe de Ville was now marked with noticeably-improved trim, including Coupe de Ville script on the rear roof pillar. Sales were 81,844, or a record of over 74% of all Cadillacs sold. Popular Mechanics reported about 12-MPG at 45 mph.

In 1952, to commemorate the 50th anniversary of Cadillac, the V-shaped hood and deck emblems were done as gold castings. The Series 62 sedan was also characterized by a higher rear deck lid contour. This provided additional luggage space. Back up lights were now standard equipment and were incorporated in the taillights. The grille wraparound panels were redesigned once again having broad chrome trim below each headlight with side scoop styling and gold-colored winged emblem mounted in the center. At the rear all Cadillacs adopted a through the bumper dual exhaust system. Deck ornamentation took the form of a Cadillac crest over a broad golden "V". New standard features included self-winding clocks, improved direction signal indicators, glare proof mirrors, stannate treated pistons, and four barrel carburetion. Engine output for the 331 was up to 190 hp (142 kW). Sales fell to 70,255, but with the Series 61 out of the way, Series 62 sales accounted for a record 78% of all Cadillacs.