Cadillac Models & History 1963

This line reflected Series 62 styling revisions, but incorporated a DeVille signature script above the lower beltline molding, near the rear of the body. Standard features on DeVilles (and on base 6200 convertibles) were the same as on closed body 6200 models, plus two-way power seats and power windows. Model 6367E, the Eldorado Biarritz convertible, had special styling with untrimmed body sides, full-length stainless steel underscores and a rectangular grid pattern rear decorative grille. Power vent windows, white sidewall tires and six-way power seats (in bench seat mode) were standard in Eldorados.


Motor serial numbers took the same form used in 1962, with the first pair of symbols changed to “63” to indicate the new model year.
Applicable codes were stamped in the same locations on the cars.
The alphabetical body identification code “C” was no longer used, since the short-deck Town Sedan was dropped from the 62 Series.
However, the short-deck 6300 model, called the Sedan DeVille Park Avenue, was retained and used the same “D” body identification symbol.
Rooflines on two-door hardtops were restyled, which brought a change in body style coding, but not in the alphabetical suffix.


Type V-8
Valves Overhead valves
Block Cast iron block
Displacement 390 cubic inches
Bore and stroke 4.00 x 3.875 inches
Compression ratio 10.5:1
Horsepower 325 @ 4800 rpm
Bearings Five main bearings
Valve Lifters Hydraulic valve lifters
Carburetion Rochester four-barrel model 710930.


  • Although neither engine displacement or output changed, the 1963 Cadillac V-8 was completely redesigned.
  • Quieter, smoother and more efficient, the new motor was one-inch lower, four inches narrower and 1-1/4 inches shorter than the 1962 V-8.
  • It was also some 82 pounds lighter, due to the use of aluminum accessory drives.


Model Number Style Number Body Type Seating Factory Price Shipping Weight Production Total
63-63L 6329L 4-door 6-window Sedan 6 5633 4650 15,146
63-63J 6357J 2-door Coupe Deville 6 5386 4520 31,749
63-63B 6339B 4-door 4-window Sedan 6 5633 4065 30,579
63-63D 6389D 4-door Park Ave 6 5633 4590 1,575


  • The Park Avenue was a short-deck DeVille sedan.
  • The Style Number 6357J was the Coupe DeVille.
  • All Sedan DeVilles were pillarless four-door hardtops.


Feature Park Ave. Series 62 Series 6300 Deville
Wheelbase 129.5 inches
Overall length 215 inches 223 inches
Tires 8.00 x 15
Rear axle ratio 2.94:1


None available.


Air conditioner for Series 60-62 $474
Automatic headlight control $45
Bucket seats in styles 6267F, 63398, 6357J or 6389D with leather upholstery required $188.
Controlled differential $54
Cruise Control $97
Door guards for two-door styles $4; for four-door styles: $7
Electric door locks for two-door styles $46; for four-door styles: $70
E-Z-Eye Glass $52
Leather upholstery for styles 6339B, 6357J, or 6389D $134
License plate frame $6
Padded roof for style 6357J $91
Six-way power seat $85 or $113 depending on body style
Power window regulators as an option $118
Power ventipanes as an option $73
Radio with rear seat speaker $165
Radio with rear seat speaker and remote control $247
AM/FM radio $191
Front seat belts in Series 62 models $22.
Rear seat belts in Series 62 models $22
Adjustable steering wheel $48.
Remote control trunk lock $53.
Five white sidewall tires, 8.20 x 15 four-ply on Series 62 $57 exchange.