BuickCentury1993Overview/buick/century/1993/base/

1993 Buick Century

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1993 Century.

Body PASSENGER CAR

The 1993 Buick Century is a passenger car whose routine-service baseline is a 4-quart engine-oil fill of 5W-30 API viscosity. Reliability records for the model year show 63 owner complaints, with air bags standing out as the top reported concern and two recalls on file. Viewed against the 1990–2005 Century span, in which complaints peaked at 252 for the 1999 model and fell to 19 for the 2005 finale, the 1993 edition registers as a comparatively low-complaint early-year example.

Model year200520042003200220012000199919981993

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity4 qtOEM · verified
Engine oil type5W-30 APIOEM · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses OE oil filter 12731175. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

OE service part numbers OEM · verified

Engine oil filter12731175
Engine air filter24577608 alt 25043119
Fuel filter25121468 alt 25121970
Spark plug19354417 alt 19354418
Front wiper blades15184702
Serpentine belt19355375 alt 10184955
Thermostat24505924 alt 24577299

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length189 in
Overall width69.3 in
Overall height53.5 in
Wheelbase104.7 in
Curb weight2782 lb
Weight distribution (front / rear)63/37

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Century of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

11.5 sec0–60 mph (tested)quickest 11.50 sec — 1986 T-Type Sedan
YearTrim / engine0–60¼ mileHPDrivetrain
1986T-Type Sedan 3.8L V611.50 sec17.60 sec150 hpFWD

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 4 qt of 5W-30 API engine oil, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Engine CoolantETHYLENE GLYCOL
Engine Oil5W-30 · API
Engine Oil Capacity4 qt
Engine Oil10W-30 · API
Engine Oil Capacity4.0 qt
Power Steering FluidUSE GM PART NO. 1052884 OR EQUIVALENT

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter at 7,500 mi; coolant every 30,000 mi. The big-interval services (every 30,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

At 7,500 miEngine Oil Filter (replace) · Throttle Body (torque) · Tire & Wheel Assembly (rotate)
Every 7,500 miBody Latches, Locks & Hinges (inspect) · Engine Oil (drain & refill) · Parking Brake Cable (lubricate) · Shift Linkage (inspect) · Steering Linkage (inspect) · Suspension System (inspect)
Every 15,000 miEngine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 30,000 miAccessory Drive Belt (inspect) · EGR System (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace) · Engine Coolant System (drain, flush & refill) · Fuel Line (inspect)
Every 100,000 miTransmission Fluid & Filter (replace)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

In the years immediately surrounding 1993, complaint volumes were low—46 in 1990, 49 in 1991, and 52 in 1992—while recalls remained at two to three per year. The following year, 1994, saw a sharp rise to 147 complaints, six recalls, and a substantial increase in TSBs to 36. Although the JSON does not provide a total complaint figure for 1993, it lists the leading complaint categories for that model year: Air Bags (11), Engine & Engine Cooling (8), Vehicle Speed Control (7), and Electrical System (5), along with 18 crash‑related and 3 fire‑related complaints. This pattern places 1993 at the low‑end of the complaint trajectory before the marked escalation observed from 1994 onward. Consequently, based on the available federal record, the 1993 Buick Century appears to be a comparatively favorable year to purchase, though the absence of a total complaint count limits a definitive assessment.

2
Open recalls
NHTSA campaigns
10
Service bulletins
Manufacturer communications
1
ODI investigations
Office of Defects Investigation
63
Owner complaints
18 involved a crash · 3 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 63 complaints on record, top 8 components.

Air Bags11
Engine & Engine Cooling8
Vehicle Speed Control7
Electrical System5
Service Brakes, Hydraulic5
Power Train5
Seat Belts4
Equipment3

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

Technical service bulletins NHTSA · verified

Showing 5 of 10 bulletins on record with NHTSA.

BulletinDateComponentSummary
1300890092013-09-01Engine And Engine CoolingExpanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
990730030A2001-04-01Power TrainOWNERS OF SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60, 4T60-E OR 4T65-E TRANSAXLES…
9909410042000-01-01Air BagsINFORMATION REGARDING SWITCHES TO TURN OFF AND ON FRONTAL AIR BAGS FOR PASSENGER CARS AND…
9909400042000-01-01SeatsGENERAL MOTORS BEGAN PROVIDING CHILD RESTRAIN SEAT TOP TETHER HARDWARE PACKAGES TO…
990866002A2000-01-01Latches/Locks/LinkagesTHIS BULLETIN INFORMS DEALERSHIPS ABOUT THE TRAP RESISTANT REAR COMPARTMENT (TRUNK) KIT…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Century. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 1993 Century take?

4 qt of 5W-30 API, per the factory manual.

Does the 1993 Century have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.