Fleetwood Cadillac Models & History 1958

1958 Fleetwood Sixty Special

TheSixty Special was very distinctive and rich-looking this year. Broad ribbed stainless steel fairings decorated the entire rear quarter panel, below the conical flare. Even the fender skirts featured this type of trim, which extended fully forward along the body sills. Sixty Special scripts appeared on the sides of the tailfins and a Fleetwood script nameplate adorned the rear deck lid. Standard equipment included Hydra-Matic, power brakes, power steering, power windows, and fore-and-aft power front seat.


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1958 Cadillac Fleetwood Sixty Special

  • Serial numbers now used a three symbol prefix
  • The first pair of numerical symbols “58” designated model year
  • A one-letter alphabetical code (included as part of model number in charts below) indicated model and series
  • Each prefix was followed by the consecutive unit number which started at 000001 and up
  • The serial number was located at the front of the lefthand frame side bar
  • Motor serial numbers again matched and were found on the center lefthand side of the block above the oil pan


Model Number Body Style Doors Model Seat Price Weight Production Total
58M-60 6039X 4-door

Hardtop Sedan

6 $6232 2241mm 12,900


1958 Cadillac 60 Special Fleetwood

Type V-8 Overhead valves
Block Cast iron block
Displacement 5.972 Liters
Bore and stroke 101.6mm x 92.1mm
Compression ratio 10.25:1
Brake horsepower 310 hp @ 4800 rpm
Power 231 kW @ 4800 rpm
Bearings Five main bearings
Valve Lifters Hydraulic valve lifters
Carburetor Carter AFB four-barrel Model 2862S


Model Wheelbase Overall Length Front Tread Rear Tread Tires
Series 60S 58M 3378mm 5723mm 1549mm 1549mm 8.00 x 15 blackwall


1958 Cadillac 60 Special Fleetwood

The 335 horsepower Eldorado engine with triple two barrel carburetion was used on all Eldorados as standard equipment
This engine was also optional for all other Cadillacs


Radio with antenna and rear speaker $164
Radio with rear speaker and remote control on Series 75 only $246
Automatic heating system for Series 75 $179 (for other models $129)
Posture seat adjuster $81
Six-Way seat adjuster $103
Power window regulators $108
E-Z-Eye Glass $46
Fog lamps $41
Automatic headlamp beam control $48
Five (5) sabre spoke wheels $350
White sidewall 8.20 x 15 four-ply tires $55
Gold finish grille $27
Four-door door guards $7
Two-door door guards $4
Remote control trunk lock $43
License plate frame $8
Air conditioning $474
Series 75 air conditioner $625
Eldorado engine in lower models $134
Air suspension $214
Electric door locks on coupes $35 (on sedans =$57)


Utility kit $15
Monogram $12
Blue Coral waxing $25
Undercoating $5
Lubrication agreement $34