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1985 CADILLAC DEVILLE

A dramatically different front-drive, C-body Coupe DeVille (and Fleetwood sedan) hit the market late in March of 1984, as early '85 models. The Grand Old Caddies lost two feet in length and about 600 pounds. Their front-drive chassis layout was also used by Buick Electra and Oldsmobile Ninety-Eight. Though not exactly small, both were a far cry from the DeVilles and Fleetwoods of prior eras. Arriving in the fall was a new Fleetwood coupe, with formal cabriolet vinyl roof and opera lamps, as well as wire wheel covers. Both coupe and sedan carried a claimed six passengers.

A transverse-mounted 249 cu. in. (4.1 liter) V-8 engine with throttle-body fuel injection was standard; 4.3-liter V-6 diesel a no-charge option. Cadillac's was the only transverse-mounted V-8 available in the world. Oldsmobile's diesel V-8 engine also was available. Inside the automatic transmission, the torque converter clutch was computer-controlled and operated by silicone fluid.

All models included the Retained power Accessory System, which permitted use of power windows and trunk release for 10 minutes after shutting off the engine. A third brake light was now mounted on the rear panel shelf. Standard equipment included
  • four-speed overdrive automatic transmission
  • power steering and brakes
  • tungsten-halogen headlamps
  • body-colored protective side moldings
  • six-way power driver's seat
  • power windows and door locks
  • side window defogger
  • electronic climate control
  • a Delco 2000 AM/FM stereo radio with electronic tuning and seek/scan
  • remote-controlled outside mirrors
  • courtesy/reading lamps in the sail panel
  • power decklid release
  • P205/75R14 all-season steel-belted radials
ModelSeries NumberBody/Style NumberBody TypeSeatingFactory PriceShipping WeightProduction Total
DeVille (V-8)6CD472-door Coupe6$18,3553330 lb37,485 (total includes the 2-door Fleetwood)
DeVille (V-8)6CD694-door Sedan6$18,9473327 lb114,278 (total included the 4-door Fleetwood)

Engine note: Diesel V-6 engines were available on DeVille & Fleetwood models with no extra charge.

ENGINE

FeatureBASE V-8OPTIONAL DIESEL V-6
Type90-degree, overhead valve V-8. Cast iron block and head90-degree, overhead valve V-8. Cast iron block and head
Displacement249 cu. in. (4.1 liters)262 cu. in. (4.3 liters)
Bore & stroke3.47 x 3.31 in.4.06 x 3.39 in.
Compression ratio8.5:121.6:1
Brake horsepower125 at 4200 R.P.M.85 at 3600 R.P.M.
Torque190 lbs.-ft. at 2200 R.P.M.165 lbs.-ft. at 1600 R.P.M.
Main bearingsFiveFour
Valve liftersHydraulicHydraulic
Fuel SupplyFuel InjectionFuel Injection

CHASSIS

  • Wheelbase: 110.8 in.
  • Overall length: 195.0 in.
  • Height: 55.0 in.
  • Width: 71.7 in.
  • Front Tread: 60.3 in.
  • Rear Tread: 59.8 in.
  • Standard Tires: P205/75R14 SBR WSW


TECHNICAL

  • Transmission: Four-speed overdrive automatic (THM440-T4) standard on
  • DeVille/Fleetwood
  • Gear ratio: (1st) 2.92:1; (2nd) 1.57:1; (3rd) 1.00:1; (4th) 0.67:1; (Rev) 2.38:1.
  • Standard final drive ratio: 2.97:1 except with diesel, 3.06:1
  • Steering: rack-and-pinion
  • Front suspension: MacPherson struts, lower control arms, coil springs and stabilizer bar
  • Rear suspension: independent struts, coil springs,
  • stabilizer bar, electronic level control
  • Brakes: front disc, rear drum
  • Disc dia.: 10.25 in.
  • Drum dia.: 8.9 in.
  • Fuel tank: 18.0 gal


DRIVETRAIN OPTIONS

  • 4.3-liter diesel V-6 engine: (NC)
  • California emission equipment ($99)
  • Engine block heater ($45)
  • Heavy-duty battery: ($40)
  • FE2 touring pkg. (alum. wheels, P215/65RI5 Eagle GT tires, leather-wrapped steering wheel, revised suspension): ($695)


OPTION PACKAGES

  • Cabriolet roof: DeVille coupe ($498)

CONVENIENCE/APPEARANCE OPTIONS

  • Astroroof ($1225)
  • Electronic cruise control $185)
  • Controlled-cycle wiper system: ($60)
  • Rear defogger with heated outside mirrors ($165-$215)
  • Automatic door locks ($162)
  • Remote-locking fuel filler door ($59)
  • Garage door opener ($140)
  • Illuminated entry system ($76)
  • Dual comfort 55/45 front seats: ($235)
  • Memory driver's seat ($205-$225)
  • Six-way power passenger seat ($225)
  • Power driver's seatback recliner ($155) except Fleetwood ($90)
  • Power passenger seatback recliner: ($155)
  • Power passenger seat recliner with six-way power seat ($315-$380)
  • Leather-trimmed steering wheel ($99)
  • Tilt/telescope steering wheel ($184)
  • Power trunk lid release and pull-down: ($80-$120)
  • Power trunk release only, ($40)
  • Theft deterrent system ($190)
  • Twilight Sentinel ($79)
  • Dimming Sentinel ($93-$128)
  • Trumpet horn ($38)
  • Electric remote-control outside mirrors ($101)
  • Twin lighted vanity mirrors ($140)
  • Automatic day/night mirror ($80)
  • Electronic-tuning seek/scan AM/FM stereo radio with cassette player ($299)
  • Electronic-tuning seek/scan AM/FM stereo radio with cassette and Delco-GM/Bose sound system ($895)
  • CB radio ($278)
  • Triband antenna ($50)
  • Firemist or Pearlmist paint ($235)
  • Decklid and bodyside accent striping: ($52)
  • Door edge guards ($19-$29)
  • License frames, each ($14)
  • Leather seating area ($515-$680)
  • Carpeted rubber floor mats: front ($43-$45); rear ($25)
  • Trunk mat ($26)
  • Aluminum wheels: ($429)
  • Locking wire wheel covers ($315-$394)
  • P225/70R15 white-letter tires
  • Puncture-sealing tires ($135-$180)

PREVIOUS: History of the 1984 Cadillac
NEXT: History of the 1985 Cadillac Cimarron
NEXT: History of the 1985 Cadillac Seville
NEXT: History of the 1985 Cadillac DeVille
NEXT: History of the 1985 Cadillac Eldorado
NEXT: History of the 1985 Cadillac Fleetwood
NEXT: History of the 1985 Cadillac Overview
NEXT: History of the 1986 Cadillac

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May 11, 2000; March 8/03