Deville And Fleetwood Cadillac History 1988

Deville And Fleetwood Cadillac Models & History 1988

The Cadillac deVille (series 6C) had a new V-8 which was nearly 20 percent more powerful and 10 percent larger than the unit it replaced. Yet its fuel economy was virtually unchanged from the 1987 level. The larger V-8 also now had roller lifters and low friction pistons. The de Ville had a revised suspension and engine mount rates as well as revised heater/air conditioner components and electronic cruise control system. Previous options now standard for the de Ville included

1988 Sedan DeVille

  • the tilt and telescope steering wheel
  • cruise control
  • dual comfort front seat
  • controlled cycle wiper system
  • power trunk release
  • heavy-duty battery.

1988 Sedan DeVille

The deVille’s THM 440 automatic transmission now had a computer-controlled electronic torque management to prevent overstressing of driveline components. Six new exterior colors were introduced for the de Ville. A 4.5 liter V-8 engine identification plaque was added to the decklid. The armrest switch-plate was changed from cherrywood to black for 1988. Among the numerous electronic changes for 1988 found in the de Ville were a higher resolution internal speed sensor and a new under-dash relay center.

FLEETWOOD SIXTY SPECIAL

The Fleetwood Sixty Special (also series 6C) continued to offer a longer wheelbase than the D’Elegance model with which it shared the same refinements and features for 1988.

STYLE

Model Series Number Body/Style Number Body Type Seating Factory Price Shipping Weight Production Total
DeVille 6C D47 2-door Coupe 6 $23,049 3437 lb 152,513
DeVille 6C D69 4-door Sedan 6 $23,404 3397 lb
Fleetwood D’Elegance 6C B69 4-door Sedan 6 $28,024 3463 lb
Fleetwood Sixty Special 6C S69 4-door Sedan 6 $34,750 3547 lb

ENGINES

Type 90-degree, overhead valve, V-8, aluminum block and cast iron cylinder liners, cast iron cylinder heads
Displacement 273 cu. in. (4.5 liters)
Bore & stroke 3.62 in. x 3.31 in.
Compression ratio 9.0:1
Brake horsepower 155 @ 4000 rpm
Torque 240 lb.-ft. @ 2800 rpm
Main Bearings Five main bearings
Valve Lifters Roller hydraulic valve lifters
Fuel Delivery Digital electronic fuel injection

CHASSIS

Feature DeVille & D’Elegance Sixty Special
Wheelbase 110.8 in. 116.0 in.
Overall length 202.3 in. 201.7 in.
Height 55.0 in. 55.0 in.
Width 71.7 in. 71.7 in.
Front Tread 60.3 in. 60.3 in.
Rear Tread 59.8 in. 59.8 in.
Standard Tires Michelin P205/70R14 P205/70R14

DRIVETRAIN

Transmission THM 440-T4 automatic four-speed (includes overdrive and viscous converter clutch)
Steering All FWD models: power-assisted rack and pinion
Steering Ratios 19.1:1
Front Suspension Independent MacPherson strut with coil springs, strut-type shock absorbers and stabilizer bar
Rear Suspension Fully independent with coil springs, automatic level control and strut-type superlift shock absorbers
Brakes Power front disc and rear drum with Taves anti-lock system
Body Construction Integral body-frame
Fuel Tank 18.0 US gal.

DRIVETRAIN OPTIONS

Anti-lock braking
engine block heater
aluminum alloy wheels (Coupe and Sedan de Ville)
stylized aluminum wheels (Sixty Special)
Option Package B

  • door edge guards
  • front carpeted floor mats
  • six-way power passenger seat
Option Package C

  • door edge guards
  • front carpeted floor mats
  • six-way power passenger seat
  • illuminated entry system
  • illuminated vanity mirrors
  • trunk lid power pull down
  • Twilight Sentinel
De Ville Option Package D

  • door edge guards
  • front carpeted floor mats
  • six-way power passenger seat
  • illuminated entry system
  • illuminated vanity mirrors
  • trunk lid power pull down
  • Twilight Sentinel
  • remote release fuel filler door
  • manual driver seat recliner
  • trumpet horn

CONVENIENCE/APPEARANCE OPTIONS

DeVille Fleetwood D’Elegance & Sixty Special
Cellular telephone Cellular telephone
automatic day/night mirror automatic day/night mirror
controlled cycle wiper system controlled cycle wiper system
rear window defogger rear window defogger
dimming sentinel dimming sentinel
automatic door locks automatic door locks
garage door opener garage door opener
illuminated entry system illuminated entry system
electrically powered mirrors electrically powered mirrors
power driver seat recliner power driver seat recliner
six-way power seat adjuster six-way power seat adjuster
dual comfort 45/55 seats dual comfort 45/55 seats
tilt and telescope steering wheel tilt and telescope steering wheel
trumpet horn trumpet horn
trunk lid release and power pull down trunk lid release and power pull down
Twilight Sentinel Twilight Sentinel
visor vanity mirrors visor vanity mirrors
Delco-GM Bose symphony sound system Delco-GM Bose symphony sound system
Delco AM stereo/FM stereo electronically tuned receiver with cassette player Delco AM stereo/FM stereo electronically tuned receiver with cassette player
universal citizens band transceiver universal citizens band transceiver
Cambrias Cloth texture roof treatment Cambrias Cloth texture roof treatment
two-tone paint two-tone paint
formal cabriolet roof formal cabriolet roof
digital instrument cluster digital instrument cluster
full cabriolet roof Cambria Cloth roof
wire wheel discs wire wheel discs
aluminum alloy wheels aluminum alloy wheels
accent striping accent striping
door edge guards door edge guards
fuel filter door remote release fuel filler door remote release
leather seating areas leather seating areas
firemist paint firemist paint
pearlmist paint pearlmist paint
reversible front and rear floor mats reversible front and rear floor mats
leather-trimmed steering wheel leather trimmed steering wheel
theft deterrent system theft deterrent system
trunk mat trunk mat
ride and handling package ride and handling package
anti-lock braking system anti-lock braking system (standard)
heavy-duty battery heavy-duty battery
engine block heater engine block heater
puncture sealing tires (not available with ride and handling package) puncture sealing tires (not available with ride and handling package)
memory seat