1984 Buick Century Problems
- Complaints
- 8filed with NHTSA
- Median mileage
- —no mileage reported
- Recalls
- 3campaigns 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
- 20 mpgcombined, 3.0L 6-cyl · 17 city / 24 hwy
Sources: NHTSA records for the 1984 Buick Century (complaints, recalls, investigations), EPA fuel economy. Report an error
NHTSA recorded 8 consumer complaints for the 1984 Buick Century. The part named most often is steering, with 4 complaints (50% of the total), followed by electrical system (2) and engine cooling (2). NHTSA lists 3 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.
- Steering4 50%
- Electrical system2 25%
- Engine cooling2 25%
- Brakes1 13%
- Body and structure1 13%
Example complaints
Electrical system: “Vehicle would intermittently stall while driving. Vehicle been into dealer shop on ten occasions, and they were unable to duplicate the problem. Dealer has replaced several things in an attempt to correct problem, catalytic converter, oil pan gasket, intake gasket, upper and lower radiator hoses, motor mounts, transmission mounts, heater hoses, water pump, and thermostat. Master cylinder was replaced, consumer stated vehicle creeps forward when stopping. Door lock replaced.”
NHTSA complaint #894535, filed 2001-08Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Fuel economy and running cost
EPA ratings for each 1984 Buick Century 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 |
|---|---|---|---|---|---|---|
| Century | 2.5L 4-cyl | 3-speed automatic | 20 | 28 | 23 | $2,900 |
| Century | 3.0L 6-cyl | 3-speed automatic | 17 | 24 | 20 | $3,350 |
| Century | 3.0L 6-cyl | 3-speed automatic | 16 | 22 | 18 | $3,700 |
| Century | 3.8L 6-cyl | 4-speed automatic | 16 | 23 | 19 | $3,550 |
| Century | 4.3L 6-cyl | 3-speed automatic | 21 | 31 | 25 | $3,850 |
| Century | 4.3L 6-cyl | 3-speed automatic | 21 | 29 | 24 | $4,000 |
| Century | 4.3L 6-cyl | 4-speed automatic | 21 | 31 | 24 | $4,000 |
| Century Estate Wagon | 2.5L 4-cyl | 3-speed automatic | 19 | 26 | 22 | $3,050 |
| Century Estate Wagon | 3.0L 6-cyl | 3-speed automatic | 15 | 21 | 17 | $3,950 |
| Century Estate Wagon | 3.0L 6-cyl | 3-speed automatic | 15 | 20 | 17 | $3,950 |
| Century Estate Wagon | 3.8L 6-cyl | 4-speed automatic | 16 | 23 | 19 | $3,550 |
| Century Estate Wagon | 4.3L 6-cyl · diesel | 3-speed automatic | 21 | 31 | 25 | $3,850 |
| Century Estate Wagon | 4.3L 6-cyl · diesel | 3-speed automatic | 21 | 29 | 24 | $4,000 |
| Century Estate Wagon | 4.3L 6-cyl · diesel | 4-speed automatic | 21 | 31 | 24 | $4,000 |
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
- 85V104000Aug 14, 1985Service brakes, hydraulic › Foundation components › DrumCovers: Buick Century 1984
Some wagons were assembled with a ja2 rear system instead of the ja3 brake system. These station wagons may exceed the maximum stopping distance required by fmvss 105. Consequence of defect: a crash could occur without prior warning should a stopping…
- 85V034000Mar 29, 1985Fuel system, gasoline › Delivery › Hoses, lines/piping, and fittingsCovers: Buick Century 1984, Pontiac 6000 1984, Oldsmobile Ciera 1984 +5 more
The fuel system may leak at the throttle body injection fuel feed pipe connection. Consequence of defect: this leakage could result in an underhood fire which could spread to the passenger compartment and cause burn injuries to occupants.
- 84V011000Feb 6, 1984Seats › Front assembly › ReclinerCovers: Buick Century 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 Century → · Check a VIN at nhtsa.gov/recalls
NHTSA investigations
- PE88027Headlamp switch failureClosed · Feb 9, 1988
- DP86018Power steering failureClosed · Sep 5, 1986
- EA85046Power brake assistClosed · Aug 30, 1985
- C85007Rear brake lockupClosed · Jun 19, 1985
- PE85016Engine compartment firesClosed · Dec 3, 1984
Technical service bulletins
No technical service bulletins are on record for the 1984 Buick Century.
Other model years of the Buick Century
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2005 | 19 | 68,977 | 0 | — | 21 | — | Rising |
| 2004 | 39 | 73,000 | 0 | — | 21 | Not compared (before 2008) | Falling |
| 2003 | 127 | 63,546 | 0 | — | 21 | Not compared (before 2008) | Falling |
| 2002 | 154 | 62,000 | 0 | — | 21 | Not compared (before 2008) | Falling |
| 2001 | 145 | 54,800 | 3 | — | 21 | Not compared (before 2008) | Rising |
| 2000 | 193 | 60,935 | 5 | — | 21 | Not compared (before 2008) | Falling |
| 1999 | 235 | 56,500 | 3 | — | 21 | Not compared (before 2008) | Stable |
| 1998 | 218 | 57,972 | 2 | — | 21 | Not compared (before 2008) | Falling |
| 1997 | 106 | 94,944 | 2 | — | — | Not compared (before 2008) | Stable |
| 1996 | 80 | 75,550 | 1 | — | 21 | Not compared (before 2008) | Falling |
| 1995 | 99 | 92,500 | 1 | — | 20 | Not compared (before 2008) | Falling |
| 1994 | 106 | 88,500 | 6 | — | 22 | Not compared (before 2008) | Stable |
| 1993 | 54 | 123,000 | 2 | — | 21 | Not compared (before 2008) | Stable |
| 1992 | 45 | 94,500 | 3 | — | 20 | Not compared (before 2008) | Stable |
| 1991 | 38 | 45,082 | 2 | — | 20 | Not compared (before 2008) | Stable |
| 1990 | 33 | — | 2 | — | 21 | Not compared (before 2008) | Stable |
| 1989 | 40 | 110,000 | 1 | — | 21 | Not compared (before 2008) | Stable |
| 1988 | 16 | — | 3 | — | 21 | — | Stable |
| 1987 | 28 | 90,000 | 0 | — | 20 | Not compared (before 2008) | Stable |
| 1986 | 22 | 100,000 | 2 | — | 20 | — | Stable |
| 1985 | 7 | — | 0 | — | 19 | — | Not enough data |
| 1984 | 8 | — | 3 | — | 20 | — | Not enough data |
All Buick Century model years · Best and worst years by complaints
Frequently asked questions
How many NHTSA complaints does the 1984 Buick Century have?
NHTSA recorded 8 consumer complaints for the 1984 Buick Century as of Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 1984 Buick Century is reported most often?
Steering is named most often, in 4 complaints (50% of the total), followed by electrical system with 2.
Has the 1984 Buick Century been recalled?
NHTSA lists 3 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 Century get?
The EPA rates the 1984 Buick Century (Century, 3.0L 6-cyl) at 20 mpg combined, 17 city and 24 highway, with an estimated annual fuel cost of $3,350 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 29, 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.