1984 Buick Regal Problems
- Complaints
- 6filed with NHTSA
- Median mileage
- —no mileage reported
- Recalls
- 4campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
- NHTSA crash rating
- —overall rating starts with 2011 models
- EPA fuel economy
- 17 mpgcombined, 4.1L 6-cyl · 15 city / 21 hwy
Sources: NHTSA records for the 1984 Buick Regal (complaints, recalls, investigations), EPA fuel economy. Report an error
NHTSA recorded 6 consumer complaints for the 1984 Buick Regal. The part named most often is electrical system, with 1 complaints (17% of the total), followed by engine cooling (1) and latches, locks and linkages (1). Of all complaints, 1 a fire, 1 an injury, according to the filers. NHTSA lists 4 recall campaigns and 0 technical service bulletins for this model year.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Electrical system1 17%
- Engine cooling1 17%
- Seats1 17%
- Body and structure1 17%
- Tires1 17%
Example complaints
Latches, locks and linkages: “Driver's side door when closed won't latch, weight of post is too heavy for hinge, must lift up door to meet latch to shut door, took to body shop to have it fixed.”
NHTSA complaint #806432, filed 1997-02Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Fuel economy and running cost
EPA ratings for each 1984 Buick Regal version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| Regal | 3.8L 6-cyl | 3-speed automatic | 17 | 22 | 19 | $3,550 |
| Regal | 3.8L 6-cyl | 3-speed automatic | 16 | 22 | 18 | $3,700 |
| Regal | 3.8L 6-cyl | 4-speed automatic | 14 | 20 | 16 | $4,200 |
| Regal | 4.1L 6-cyl | 4-speed automatic | 15 | 21 | 17 | $3,950 |
| Regal | 4.1L 6-cyl | 4-speed automatic | 15 | 20 | 17 | $3,950 |
| Regal | 4.3L 6-cyl · diesel | 4-speed automatic | 20 | 29 | 23 | $4,150 |
| Regal | 4.3L 6-cyl · diesel | 4-speed automatic | 19 | 29 | 22 | $4,350 |
| Regal | 5.7L 8-cyl · diesel | 4-speed automatic | 18 | 27 | 21 | $4,550 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 89V102000Jun 16, 1989Vehicle speed controlCovers: Buick Regal 1984, 1986–1987, Oldsmobile Cutlass 1984–1988, Buick Lesabre 1984–1988 +15 more
A small nylon bushing in the cruise control servo bail may slip out of place, causing intermittent and unexpected increases in engine speed or dieseling (engine run on with ignition off).
- 85V049000Apr 29, 1985Structure › Body › BumpersCovers: Buick Regal 1984–1985
The rear bumper may fracture during a rear end collision, puncture the fuel tank, and cause a fuel leak. Consequence of defect: a fuel leak creates the potential for a fire which could result in burn injuries to persons in or near the car.
- 85V024000Mar 5, 1985Steering › Gear box (other than rack and pinion)Covers: Buick Regal 1984
One of the three steering gear to frame bolts may not have been tightened to the required specification. Consequence of defect: the steering gear could come loose from the frame causing a loss of steering control and a possible vehicle crash without warning.
- 84V011000Feb 6, 1984Seats › Front assembly › ReclinerCovers: Buick Regal 1984, Oldsmobile Cutlass 1984, Chevrolet Camaro 1984 +22 more
Some vehicles have bucket seat back locks that do not conform to federal motor vehicle safety standard 207, anchorage of seats. In event of a crash, the seat back lock may not function.
Recall details for the 1984 Buick Regal → · Check a VIN at nhtsa.gov/recalls
NHTSA investigations
- PE90014Cruise control failureClosed · Oct 31, 1989
Technical service bulletins
No technical service bulletins are on record for the 1984 Buick Regal.
Other model years of the Buick Regal
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2019 | 20 | 30,000 | 3 | — | 26 | — | Rising |
| 2018 | 19 | 22,000 | 3 | — | 26 | — | Stable |
| 2017 | 20 | 73,254 | 0 | 5 | 24 | — | Falling |
| 2016 | 41 | 27,000 | 1 | 5 | 24 | 24 · Fewer | Falling |
| 2015 | 33 | 29,750 | 0 | 5 | 24 | 6 · Fewer | Falling |
| 2014 | 38 | 48,864 | 2 | 5 | 24 | 21 · Fewer | Stable |
| 2013 | 91 | 58,000 | 6 | 5 | 23 | 66 · More | Falling |
| 2012 | 92 | 59,527 | 7 | 5 | 22 | 76 · More | Falling |
| 2011 | 280 | 66,900 | 4 | — | 23 | 100 · More | Falling |
| 2004 | 66 | 90,963 | 2 | — | 21 | Not compared (before 2008) | Falling |
| 2003 | 101 | 96,258 | 3 | — | 20 | Not compared (before 2008) | Stable |
| 2002 | 117 | 85,000 | 3 | — | 20 | Not compared (before 2008) | Falling |
| 2001 | 187 | 91,500 | 6 | — | 21 | Not compared (before 2008) | Falling |
| 2000 | 184 | 95,804 | 8 | — | 21 | Not compared (before 2008) | Rising |
| 1999 | 246 | 89,000 | 6 | — | 21 | Not compared (before 2008) | Falling |
| 1998 | 302 | 92,000 | 6 | — | 21 | Not compared (before 2008) | Falling |
| 1997 | 136 | 105,771 | 7 | — | 20 | Not compared (before 2008) | Stable |
| 1996 | 204 | 87,500 | 3 | — | 21 | Not compared (before 2008) | Stable |
| 1995 | 173 | 89,659 | 8 | — | 20 | Not compared (before 2008) | Stable |
| 1994 | 110 | 96,472 | 3 | — | 20 | Not compared (before 2008) | Stable |
| 1993 | 85 | 75,000 | 2 | — | 20 | Not compared (before 2008) | Stable |
| 1992 | 144 | 109,500 | 2 | — | 20 | Not compared (before 2008) | Stable |
| 1991 | 200 | 94,210 | 6 | — | 20 | Not compared (before 2008) | Stable |
| 1990 | 77 | 125,538 | 8 | — | 20 | Not compared (before 2008) | Stable |
| 1989 | 106 | 80,000 | 7 | — | 21 | Not compared (before 2008) | Stable |
| 1988 | 123 | 86,000 | 10 | — | 21 | Not compared (before 2008) | Stable |
| 1987 | 25 | 60,000 | 2 | — | 18 | Not compared (before 2008) | Stable |
| 1986 | 12 | — | 4 | — | 18 | — | Not enough data |
| 1985 | 9 | — | 8 | — | 18 | — | Not enough data |
| 1984 | 6 | — | 4 | — | 17 | — | Not enough data |
All Buick Regal model years · Best and worst years by complaints
Frequently asked questions
How many NHTSA complaints does the 1984 Buick Regal have?
NHTSA recorded 6 consumer complaints for the 1984 Buick Regal as of Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 1984 Buick Regal is reported most often?
Electrical system is named most often, in 1 complaints (17% of the total), followed by engine cooling with 1.
Has the 1984 Buick Regal been recalled?
NHTSA lists 4 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 1984 Buick Regal get?
The EPA rates the 1984 Buick Regal (Regal, 4.1L 6-cyl) at 17 mpg combined, 15 city and 21 highway, with an estimated annual fuel cost of $3,950 at 15,000 miles a year. Other engine and drive versions are rated differently.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.