1984 Buick Regal RWD Cars Fact Sheet

1984 Buick Regal Facts, Figures, and Specifications

1984 Buick Mid-Size Car Facts Specifications Information Data

The 1984 Buick Regal rear wheel drive platform came in three flavors: Regal, Regal Limited, and T-Type. Later in the year, the Buick Grand National would be offered as a T-Type appearance package.


The 1984 Buick Turbo V-6 Gets More Power

At Buick, high-tech engines got the emphasis for 1984, along with modem electronics and “aero” styling. As the future would show, this was a boon for the RWD Real line.

General Year Information – 1984 Buick Regal

Regal discontinued its station wagon model in 1984. The diesel V-8 also disappeared, however a 4.3 Liter V-6 diesel was available as an option. Regal models had a new grille and front fascia design, along with new graphics and tail lamps. Inside a modified instrument panel was fitted. Coupes added new headlamp bezels and park/signal lamps. And joining the option list was a digital instrument cluster much like the one fitted to the Riviera, with fluorescent displays that showed speed, distance and fuel level.

Two new Buick designed 3.8 Liter V-6s were introduced: one with multi-port fuel injection, the other with sequential fuel injection (standard on Regal/Riviera T Types). With multi-port injection (called “MFI”), a computer analyzed air/fuel requirements and sent a charge to all six cylinders during each engine revolution. Sequential injection gave each cylinder a precisely metered charge, just before firing, this was for best performance all the way from idle to full load.

An acceleration/deceleration feature on the new electronic cruise control allowed speed change in one mile per hour increments by touching a button on the lever. Cellular phones were offered for the first time, factory approved but installed by dealers. 1984 Buick body colors were: beige, light sand gray, bright red, white and black, plus a selection of metallic paints: light brown, brown, light green, green, light blue, blue, red, dark red, silver, sand gray Firemist, Firemist red, and Firemist gold. All Firemist colors cost extra.

1984 Buick Regal Facts – Models Offered

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Regal standard equipment included dual mirrors and horns, automatic trans­ mission, power brakes and steering bumper guards and rub strips, and white­wall P195N5R14 steel-belted tires. All engines except the base 231 CID (3.8 Liter) V-6 could have four-speed overdrive automatic transmission as an option.

The Regal Limited included the base Regal equipment: bumper guards and protective strips, power brakes and steering, AM radio, cigarette lighter, dual horns, dual chrome mirrors, color-keyed body-side moldings. More sumptuous notch back 45/55 front seats (cloth or vinyl), and P195/75R14 steel-belted radial whitewalls were added.

All engines except the base 231 CID (3.8 Liter) V-6 could be equipped with the four-speed overdrive automatic transmission.

Regal’s high-performance T Type had the new 3.8 Liter V-6 with turbocharger and sequential port fuel injection, which produced 200 horsepower and 300 pound-feet of torque. Distributor-less ignition on the turbo used three computer-controlled ignition coils to send current to the spark plugs. T Types came with a 3.42:1 performance axle ratio, overdrive automatic transmission, Gran Touring suspension, leather-wrapped steering wheel turbo boost gauge, trip odometer, tachometer, and air conditioning.

Buick’s display of turbo technology at auto shows during 1984 was highlighted later in the model year by the emergence of the 1984 Regal Grand National “produced in limited numbers for those who demand a high level of performance.” Its purpose was to give much of the feeling of a NASCAR race car. It was an option on the T-Type carrying a $1,282 price tag, but few many Grand National packages found their way onto T Type Regals in1984.

Grand Nationals were equipped with the turbo 3.8 engine, P215/60R black walls, sport steering wheel, tachometer and boost gauge, and 94-arnp Delcotron. Distinctive bodies came only in black, with black bumpers, rub strips and guards; black front air dam and deck lid spoiler; black headlamp bezels; turbo aluminum wheels with black paint; and Grand National identification on front fenders.

The optional Lear Siegler interior had the front seats embroidered with the Grand National logo.


1984 Buick Regal Facts – Engines

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LD5 BASE V-6: 90-degree, overhead-valve V-6. Cast iron alloy block and head. Displacement: 231 CID (3.8-liters). Bore & stroke: 3.8 x 3.4 in. Compression ratio: 8.0:1. Horsepower: 110 @ 3800 RPM. Torque: 190 lb.-ft. @ 1600 RPM. Four main bearings. Hydraulic valve litters. Valve Timing: (w/o ramp) Intake (188°) 265°, Exhaust: (194°) 273°. Valve Lift: Intake 0.3744″, Exhaust 0.3744″. Carburetor: 2 barrel Rochester 2ME. VIN Code A.          

LM9 TURBOCHARGED V-6 (Regal T Type): 90-degree, overhead-valve V-6. Cast iron alloy block and head. Displacement: 231 CID (3.8-liters). Bore & stroke: 3.8 x 3.4 in.  Compression ratio: 8.0:1.  Horsepower: 200 @ 4000 RPM. Torque. 300 lb.-ft. @ 2400 RPM.  Four Main Bearings. Hydraulic valve litters. Valve Timing: (w/o ramp) Intake (193°) 282°, Exhaust: (196°) 276°. Valve Lift: Intake 0.400″, Exhaust 0.422″ Sequential fuel injection. VIN Code: 3

252 CID V-6 OPTIONAL Regal: 90-degree, over­ head-valve V-6. Cast iron alloy block and head. Displacement: 252 CID (4.1 liters). Bore & stroke: 3.965 x 3.4 In. Compression ratio: 8.0:1. Horsepower: 125 @ 4000 RPM. Torque: 205 lb.-ft. @ 2000 RPM. Four main bearings. Hydraulic valve lifters. Valve Timing: (w/o ramp) Intake (188°) 265°, Exhaust: (194°) 273°. Valve Lift: Intake 0.3744″, Exhaust 0.3744″. Carburetor: 4Bbl. Rochester. VIN Code: 4.

263 CID (4.3-liter) diesel V-6 OPTIONAL Regal: 90-degree, over­ head-valve V-6. Cast iron block: cast iron or aluminum head. Displacement: 262.5 CID (4.3-liters). Bore & stroke: 4.057 x 3.385 In. Compression ratio: 21.6:1. Brake horsepower: 85 @ 3600 RPM. Torque: 165 lb.-ft. @ 1600 RPM. Four main bearings. Hydraulic valve lifters. Fuel injection. VIN Code: V.

V-8 OPTIONAL Regal: 90-degree, over­ head valve V-8. Cast iron block and head. Displacement: 305 CID (5.0- liters). Bore & stroke: 3.74 x 3.48 in. Compression ratio: 8.6:1. Horsepower: 150 at 4000 R.P.M. Torque: 240 lb.-ft. at 2400 R.P.M. Five main bearings. Hydraulic valve lifters. Valve Timing: (w/o ramp) Intake (188°) 265°, Exhaust: (194°) 273°. Valve Lift: Intake 0.3744″, Exhaust 0.3744″. Carburetor: 4Bbl. Rochester M4ME. Built by Chevrolet. VIN Code: H.

1984 Buick Regal Facts –
Convenience/Appearance Options

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  • Regal Grand National Package. (black bumpers, lamps, moldings. spoilers, special interior trim w/console, special aluminum wheels: Available on T Type Model only ($1,282).
  • Regal T Type Designer package: designers’ accent paint and rear spoiler ($403).
  • Air conditioning ($730); standard on T Type.
  • Comfort/Convenience:
  • Electric door locks ($125-$175).
  • Electronic cruise control w/resume ($175).
  • Electronic instrumentation ($299) except T Type ($173).
  • Hatch roof: coupe ($825).
  • Headlamps-on indicator ($16).
  • Manual passenger seat back recliner ($75).
  • Power windows ($185-$260).
  • Rear defogger electric ($140).
  • Six­-way power seat, each side ($215).
  • Sliding electric silver Astro roof: coupe ($895).
  • Sport steering wheel ($50).
  • Theft deterrent system ($159).
  • Tilt steering wheel ($110).
  • Tinted glass ($110).
  • Tinted windshield ($90).
  • Touch climate control air conditioning ($880); T Type ($150).
  • Trip odometer ($16) except T Type.
  • Two-speed wiper w/low-speed delay ($50).
  • Coach lamps: Ltd ($102).
  • Cornering lamps ($57).
  • Dome reading lamp ( 24).
  • Door Courtesy/warning lights: Ltd ($44-$70).
  • Dual remote sport mirrors ($83); T Type ($30).
  • Dual sport mirrors, left remote ($53) except T Type.
  • Lighted visor vanity mirror, passenger ($58)
  • Rear seat reading light ($30).
  • Remote left mirror ($25) except T Type.
  • Tungsten-halogen headlamps ($22).
  • Twilight Sentinel ($57).
  • Visor vanity mirror, passenger ($7).
  • AM radio ($112).
  • AM/FM stereo radio ($238).
  • Automatic power antenna ($95); w/radio ($60).
  • Electronic-tuning AM/FM stereo radio ($402); w/cassette and graphic equalizer ($605).
  • Concert sound speaker system ($95).
  • Dual rear speakers ($25-$30); included w/stereo radio.
  • Body side stripe ($42); choice of nine colors.
  • Designers’ accent paint ($200-$205).
  • Door edge guards ($15-$25).
  • Exterior molding package: wide rocker panel and belt reveal ($110); standard on Ltd.
  • Landau vinyl top: coupe ($186) except  T Type; heavily padded ($245).
  • Long vinyl top: sedan ($160): heavily padded ($245).
  • Protective body side moldings: T Type ($55); choice of six colors.
  • Solid special color paint ($200).
  • Wraparound body side moldings: sedan ($104).
  • 45/45 leather/vinyl seating: Ltd ($295).
  • 55/45 seating ($133) except Limited models
  • Bucket seats ($195) except Limited models
  • Carpet savers front ($17); rear ($12).
  • Carpet savers w/inserts front ($25); rear ($20).
  • Full-length console ($82).
  • Lear Siegler bucket seats for T Type ($600).
  • Body-color wheels ($85) except T Type.
  • Chrome-plated wheels ($195); If on T Type ($90 credit).
  • Locking wire wheel covers ($190) except T Type.
  • Styled aluminum wheels ($285)· standard on T Type.
  • P205/70R14 SBA WSW ($62) except T Type.
  • P215/65R15 SBA WLT: Add to T Type ($92).
  • Self-sealing tires ($106) except T Type.

1984 Buick Regal Facts –
Powertrains and Powertrain Options


    • Turbocharged 231 CID (3.8-liter) V-6: Standard in Regal T Type
    • 252 CID (4.1-liter) V-6, 4 Barrel carburetor  ($225).
    • 263 CID (4.3-liter) diesel V-6 ($599).
    • 305 CID (5.0-liter) V-8, 4Bbl.: LeSabre  ($225).


    • Regal and Regal Limited with 231 CID V-6: Three-speed auto. trans. gear ratios: (1st 2.74:1· 2nd) 1.57:1; (3rd) 1.00:1; (Rev) 2.07:1.
    • Regal and Regal Limited and T Type – all other engines: Four-speed overdrive automatic gear ratios: (1st) 2.74:1; (2nd) 1.57:1; (3rd) 1.00:1; (4th) 0.67:1; (Rev) 2.07:1.

Axle ratios:

    • Regal: w/3-speed automatic: 2.41:1 standard; 3.08:1 3.23:1 optional
    • Regal and Regal Limited gas engines w/4-spd automatic: 3.08:1 standard; 3.42:1 optional
    • Regal and Regal Limited diesel engines w/4-spd automatic:2.93:1 standard; none optional
    • Regal T Type & Grand National: 3.42:1 standard; none optional

NOTE: Base 231 CID V-6 included in base model pricing. See Production figures for more information.

1984 Buick Regal Facts –
Body Paint Color Codes

Click on the Paint Code Name to See the Mix Codes for the appropriate color:

1984 Buick Regal

  11 White
  13 Silver
  17 Silver
  19 Black
  22 Light Royal Blue
  27 Medium Dark Royal Blue
  42 Light Grayfern
  48 Dark Grayfern
  59 Frost Beige
  60 Light Sand Gray
  62 Light Briar Brown
  67 Dark Briar Brown
  73 Light Maple
  74 Autumn Maple Firemist
  74 Autumn Maple Firemist
  75 Spectra Red
  78 Dark Autumn Maple
  85 Saddle Firemist
  87 Medium Sand Gray Firemist

1984 Buick Regal Facts –
Grand National Model

NOTE: The Grand National was an option on the T Type. See “Packages” in Convenience/Appearance Options for full details.

1984 Buick Regal Facts –
Chassis Features

  • Wheelbase: 108.1 in.
  • Overall length: Regal coupe 200.6 in.; Regal sedan 196.0 in.
  • Height: Regal coupe 54.6 in.; Regal sedan 55.5 in.
  • Width: Regal coupe 71.6 in., Regal sedan 71.1 1n.
  • Front Tread: 58.5 in.
  • Rear Tread: 57.7 – 57.8 in.
  • Standard Tires: Regal P195/75R14 SBA WSW; Regal T Type P205/70R14 SBR

1984 Buick Regal Facts –
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