GeoMetro1990Overview/geo/metro/1990/base/

1990 Geo Metro

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1990 Metro.

Transmission Automatic 3-spd

Defined by an Automatic 3-spd transmission and EPA mileage ratings of 31/36/33 mpg, the 1990 Geo Metro requires 3.5 qt of 5W-30 API engine oil for operation. Within the model's 1990-2001 production history, this year recorded 43 total owner complaints and 2 recalls, with Latches/Locks/Linkages identified as the top complaint area. This complaint volume positions the 1990 model significantly below the 1995 high of 121 complaints but above the 2001 low of 6, suggesting a moderate position in the vehicle's overall reliability record.

Model year199719961995199419931992199119901989

Quick specs

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

Engine oil capacity3.5 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
EPA fuel economy31/36/33 mpgEPA · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 3-spd

Ratings & economy EPA / vPIC

EPA city / highway / combined31 / 36 / 33 mpg
DrivetrainFront-Wheel Drive
Recommended fuelRegular Gasoline

Service quick specs OEM factory data

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

This engine holds 3.5 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 Capacity3.5 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 every 7,500 mi; spark plugs every 30,000 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 miTire & Wheel Assembly (rotate)
Every 7,500 miBody Latches, Locks & Hinges (inspect) · Brake System (inspect) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Exhaust System (Complete) (inspect) · Steering System (inspect)
Every 15,000 miFuel Line (inspect) · Fuel Tank (inspect) · Fuel Tank Filler Cap (inspect) · Tire & Wheel Assembly (rotate)
Every 30,000 miAccessory Drive Belt (inspect) · Engine Air Filter Element (replace) · Engine Coolant System (drain, flush & refill) · Spark Plugs (replace)
Every 60,000 miBrake Hydraulic System (drain, refill & bleed) · Spark Plug Wires (replace) · Vehicle Wiring Harnesses (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.

The 1990 Geo Metro is the inaugural model year in this federal record, posting 43 complaints, 2 recalls, and the highest investigation count of any year in the dataset (4). Its complaint profile is unusually concentrated in Latches/Locks/Linkages (16) and Seat Belts (11), which together account for the majority of filings—a pattern not echoed in later years, and one the data does not further explain by root cause. Across the generation, complaints climb steadily from 43 in 1990 to a 1995 peak of 121, then taper through the late 1990s to just 6 by 2001, while recalls and investigations effectively disappear after 1993—indicating the earliest years carried the heaviest regulatory and consumer scrutiny. Compared with its immediate 1991 successor (59 complaints, 2 recalls, 3 investigations), the 1990 model is modestly cleaner on volume but ties on recall and investigation activity, and it records 5 crash-related complaints with zero fire complaints. For a used-car shopper, the 1990 Metro is a defensible pick relative to the mid-generation 1994–1997 surge, but the latches-and-seat-belt concentration is specific enough that a hands-on check of the door latches, strikers, and belt retractors should be a condition of purchase.

2
Open recalls
NHTSA campaigns
5
Service bulletins
Manufacturer communications
4
ODI investigations
Office of Defects Investigation
43
Owner complaints
5 involved a crash · 0 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Overall★★★★★
Frontal★★★★★
Side★★★★★
Rollover★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 43 complaints on record, top 8 components.

Latches/Locks/Linkages16
Seat Belts11
Engine & Engine Cooling4
Structure3
Seats2
Visibility2
Exterior Lighting,Interior Lighting1
Interior Lighting1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

93V189001Latches/Locks/Linkages:Hood:LatchReported 23/11/1993

MISLOCATED ATTACHING SPOT WELDS OF THE HOOD STRIKER ASSEMBLY CAUSE CRACKS TO START ON THE HOOD INNER PANEL. IF CRACKS OCCUR, THE HOOD STRIKER ASSEMBLY MAY NOT PROPERLY ENGAGE THE HOOD LATCH WHEN THE HOOD IS CLOSED. Remedy: GM DEALERS WILL (A) INSTALL TWO BOLTS AND NUTS TO SECURE THE STRIKER ASSEMBLY TO THE HOOD INNER PANEL, AND (B) ENSURE THAT THE HOOD LATCH ASSEMBLY FASTENERS ARE PROPERLY TIGHTENED.

95V103007Seat Belts:Front:Buckle AssemblyReported 24/05/1995

THE FRONT SAFETY BELT BUCKLE RELEASE BUTTONS CAN BREAK. THESE RED PLASTIC RELEASE BUTTONS ARE MARKED "PRESS." IF A BUTTON BREAKS, PIECES CAN FALL INTO THE BUCKLE ASSEMBLY CAUSING THE BUCKLE TO OPERATE IMPROPERLY. Remedy: OWNERS SHOULD PROMPTLY CHECK THE CONDITION AND OPERATION OF BOTH FRONT SAFETY BELT BUCKLES AND CAREFULLY INSPECT THE RED RELEASE BUTTON FOR ANY BREAKS OR CRACKS. THEY SHOULD…

Technical service bulletins NHTSA · verified

Showing 5 of 5 bulletins on record with NHTSA.

BulletinDateComponentSummary
MSG011451995-05-01Seat BeltsUNKNOWN
CAMP/90C511994-12-01Engine And Engine CoolingTHE ADMINISTRATOR OF THE US ENVIRONMENTAL PROTECTION AGENCY (EPA) AND GENERAL MOTORS HAVE…
MSG013961994-11-01Engine And Engine CoolingMESSAGE TO DEALERS CORRECTING INCORRECT INFORMATION CONTAINED IN MANUFACTURER RECALL…
MSG013831994-11-01Engine And Engine CoolingMESSAGE ANNOUNCING MANUFACTURER RECALL 90C51. *TW
MSG013981994-11-01Engine And Engine CoolingMESSAGE ANNOUNCING MANUFACTURER RECALL 90C51. *TW

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
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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 1990 Metro take?

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

Does the 1990 Metro have open recalls?

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

What gas mileage does the Metro get?

EPA figures are 31 city / 36 highway / 33 combined mpg.