Cadillac Eldorado Moels & History 1984

For the first time since the famed ’76 Eldorado ragtop, Cadillac offered a convertible: the new and posh Biarritz. Its rear side windows raised and lowered automatically with the power top, and it contained a glass back window. Convertible bodies came in three colors: Cotillion White, Hatteras Blue, and Autumn Maple Firemist. Each had a white diamond-grain vinyl top, glass rear window, and color-coordinated headliner. Reinforced frame rails and crossmember braces and a bolstered body structure added the necessary strength and rigidity.

Cadillac Eldorado 1984, 1980s, cadillac, Year In Review

Convertibles had the following:

  • specific wide bright door and fender accent moldings;
  • decklid accent striping;
  • Biarritz script nameplate;
  • wire wheel covers
  • special Biarritz multi-button tufted seat design
  • leather-wrapped steering wheel rim
  • plus Cadillac’s theft deterrent system

The revived Biarritz convertible carried a hefty opening price tag: $31,286. That was nearly triple the cost of a ’76 Eldorado ragtop when it was new.

Cadillac Eldorado 1984, 1980s, cadillac, Year In Review
Eldorado coupes started at a more modest $20,342. Eldorado’s grille this year was vertically accented with a bright Cadillac script nameplate in the lower left corner. Rectangular headlamps sat above clear park/signal lamps. Appearance changes included the following: new car-colored bodyside moldings, new low-gloss black door trim bezels, instrument panel bezels, and air conditioning outlets. Base Eldorados had a new leather seat trim design. Other additions:

  • an improved theft-prevention system,
  • new dashboard bezels,
  • suspension refinements,
  • improved stereo performance,
  • a new glow-plug system in the optional diesel V-8 engine

The coupes had a cabriolet vinyl top with glass rear window, brushed stainless steel roof cover, and opera lamps. Extended-range rear speakers became standard, except on the Delco/Bose sound system.

Cadillac Eldorado 1984, 1980s, cadillac, Year In Review
The standard 4.1-liter V-8 engine added a new exhaust system, while the Oldsmobile diesel was not offered in convertibles (or in California). The Touring Coupe was again available, with a distinctive “Eldorado Touring Coupe” cloisonne hood surface and sail panel ornaments. Also included:

  • black-finished windshield window reveal moldings quarter window channel moldings and wipers
  • body-colored headlamp and taillamp bezels and wheel opening moldings
  • large ribbed rocker panel moldings
  • aluminum alloy wheels

Touring Coupes came only in Sable Black or Sonora Saddle Firemist.

Model Series Number Body/Style Number Body Type Seating Factory Price Shipping Weight Production Total
Eldorado (V-8) 6E L57 2-dr Coupe 6 P $20,342 3748 lb 74,506
Eldorado (V-8) 6E L67 2-dr Convertible 6 P $31,286 N/A 3300
Feature Basic Gas Engine Optional Diesel Engine
Type 90-degree, overhead-valve V-8. Iron/aluminum alloy block; cast iron head. 90-degree, overhead valve V-8. Cast iron block and head.
Displacement 249 cu. in. (4.1 liters) 350 cu. in. (5.7 liters)
Bore & stroke 3.47 x 3.31 in. 4.057 x 3.385 in.
Compression ratio 8.5:1 22.5:1
Brake horsepower 135 at 4400 R.P.M. 105 at 3200 R.P.M.
Torque 200 lbs.-ft. at 2200 R.P.M. 200 lbs.-ft. at 1600 R.P.M.
Main bearings Five Five
Valve lifters Hydraulic Hydraulic
Fuel supply Digital fuel injection Fuel Injection
Manufacturer Cadillac HT-4100 Oldsmobile
VIN Code 8 N

Cadillac Eldorado 1984, 1980s, cadillac, Year In Review

  • Wheelbase: 114.0 in.
  • Overall length: 205.4 in.
  • Height: 54.3 in.
  • Width: 70.6 in.
  • Front Tread: 59.3 in.
  • Rear Tread: 60.6 in.
  • Standard Tires: P205/75R15 SBR wide WSW
  • Transmission: Four-speed overdrive automatic (THM325-4L)
  • Ratios: (1st) 2.74:1; (2nd) 1.57:1; (3rd) 1.00:1; (4th) 0.667:1; (Rev) 2.07:1.
  • Standard final drive ratio: 3.15:1 except diesel, 2.93:1
  • Steering: recirculating ball; power assist
  • Front suspension: torsion bar and link stabilizer bar
  • Rear suspension: independent trailing arm, coil springs, electronic level control
  • Brakes: four-wheel disc
  • Fuel tank: 20.3 gal. exc. 22.8 w/diesel
  • 5.7-liter diesel V 8 engine (NC)
  • California emission equipment ($99).
  • Engine block heater ($18-$45).
  • Heavy-duty battery: ($40).
  • 100-amp Alternator ($50)
  • FE2 touring suspension: ($115).
  • Cimarron D’Oro ($350).
  • Seville Elegante ($3879).
  • Brougham d’Elegance: cloth seating ($1250); leather ($1800).
  • DeVille d’Elegance ($1150).
  • Cabriolet roof: DeVille/Eldorado coupe ($420).
  • Full cabriolet roof: Eldorado/Seville ($995).
  • Eldorado Biarritz ($3395).
  • Eldorado Touring Coupe ($1975).
  • Astroroof ($1225)
  • Electronic cruise control ($185).
  • Rear defogger w/heated outside mirrors ($165-$215).
  • Automatic door locks ($162).
  • Remote-locking fuel filler door ($59).
  • Garage door opener ($140) except convertible.
  • Illuminated entry system ($76)
  • Digital instrument cluster: $238).
  • Memory driver’s seat ($205)
  • Six-way passenger seat: ($215-$225).
  • Power driver’s seat recliner ($115)
  • Power passenger seat recliner w/six-way power seat: ($315-$380).
  • Leather-trimmed steering wheel ($99).
  • Tilt/telescope steering wheel ($184)
  • Theft deterrent system ($190).
  • Twilight Sentinel ($79).
  • Guidematic headlamp control ($93).
  • Opera lamps: ($88).
  • Trumpet horn ($38)
  • Electric remote-control outside mirrors ($101)
  • Twin lighted vanity mirrors ($140).
  • Electronic-tuning seek/scan AM/FM stereo radio with clock and cassette player ($229)
  • Electronic-tuning seek/scan AM/FM stereo radio with cassette and Delco-GM/Bose sound system, ($895).
  • Electronic-tuning seek/scan AM/FM stereo radio with CB radio: ($278).
  • Triband antenna ($50).
  • Two-tone paint: ($345); Firemist, ($465).
  • Firemist paint ($235).
  • Bodyside molding: Eldorado Touring coupe ($64)
  • 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 ($21)
  • Aluminum wheels: ($429).
  • Locking wire wheel covers ($315- $394) except limo
  • White-letter tires: Eldorado touring coupe ($100).
  • Puncture-sealing tires ($135-$180) except limo.


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