SubaruLoyale1990Overview/subaru/loyale/1990/base/

1990 Subaru Loyale

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

Transmission Automatic 3-spd

The 1990 Subaru Loyale pairs a 3-speed automatic transmission with an engine rated at 19/22/20 mpg EPA and requiring 4.2 quarts of 5W-30 API oil — figures that frame it as a straightforward, economy-oriented offering in Subaru's lineup. With 15 owner complaints and 4 recalls logged, this model year sits near the lower end of the Loyale's 1990–1994 complaint history, well beneath the 1992 peak of 47, suggesting the early run was comparatively trouble-free before issues escalated in subsequent years. Notably, Engine & Engine Cooling dominates as the top complaint area, a detail researchers should weigh when evaluating this era of Subaru powertrains.

Model year1994199319921990

Quick specs

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

Engine oil capacity4.2 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
EPA fuel economy19/22/20 mpgEPA · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 3-spd

Dimensions & weight NHTSA vPIC

Overall length174.8 in
Overall width65.4 in
Overall height52.4 in
Wheelbase96.9 in
Curb weight2273 lb
Track (front / rear)56.7 / 56.3 in
Weight distribution (front / rear)61/39

Ratings & economy EPA / vPIC

EPA city / highway / combined19 / 22 / 20 mpg
DrivetrainFront-Wheel Drive
Passenger volume88 cu ft
Cargo volume15 cu ft
Recommended fuelRegular Gasoline

Service quick specs OEM factory data

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

This engine holds 4.2 qt of 5W-30 API engine oil, 75W-90 · 80W-90 · GL-5 in the differential, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Differential Gear Oil75W-90 · 80W-90 · GL-5
Differential Gear Oil Capacity1.6 Pints
Engine CoolantETHYLENE GLYCOL
Engine Oil5W-30 · API
Engine Oil Capacity4.2 qt
Engine Oil5W-30 · API
Engine Oil Capacity4.2 qt

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter at 3,000 mi.

At 3,000 miEngine Oil (drain & refill) · Engine Oil Filter (replace)
Every 7,500 miEngine Oil (drain & refill) · Engine Oil Filter (replace)
Every 15,000 miBody Latches, Locks & Hinges (inspect) · Brake System (inspect) · Clutch Assembly (inspect) · Engine Coolant System (leak inspection) · Hill Holder System (inspect) · Power Steering System (inspect)
Every 30,000 miBrake Drum Assembly (inspect) · Brake Hydraulic System (drain, refill & bleed) · Brake Power Booster Unit (inspect) · Differential (inspect fluid level) · Engine Air Filter Element (replace) · Engine Breather Filter (replace)
Every 60,000 miAccessory Drive Belt (inspect) · Timing Belt (replace) · Wheel Bearing (inspect)

Reliability & federal safety record

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

Across the 1990-1994 generation, federal records reveal a trend of declining recalls and investigations—starting high and tapering to zero by 1994—while consumer complaints spike sharply in 1992 before dropping off. The 1990 model year sits at the beginning of this arc as the most heavily regulated year, carrying the generation's highest count of recalls (4) and investigations (3), even though its overall complaint volume (15) is moderate compared to the 1992 peak. For the 1990 Loyale, complaints are concentrated equally between the Engine & Engine Cooling and Seat Belts categories (five each), with additional reports involving Tires and a combined Power Train, Tires, and Electrical System issue; however, the data does not specify the root causes for these failures. This elevated early-generation regulatory activity implies that the 1990 model had initial manufacturing or design quirks that required significant federal intervention to address. Because of the high number of recalls and the specific, persistent seat belt and cooling complaints, a prospective buyer must verify that all four recalls have been properly executed and thoroughly inspect these identified systems, making this a conditional purchase rather than a standout year.

4
Open recalls
NHTSA campaigns
11
Service bulletins
Manufacturer communications
3
ODI investigations
Office of Defects Investigation
15
Owner complaints
1 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 15 complaints on record, top 6 components.

Engine & Engine Cooling5
Seat Belts5
Tires2
Power Train,Tires,Electrical System1
Power Train1
Vehicle Speed Control1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 4 campaigns on record for this vehicle.

94V052000Power Train:Manual TransmissionReported 23/03/1994

WHEN THE VEHICLE IS DRIVEN CONTINUOUSLY UNDER EXTREMELY COLD TEMPERATURES (-22 DEGREES F.) AND HIGH HUMIDITY WEATHER CONDITIONS, THE TRANSMISSION BREATHING (AIR) VENT CAN BE BLOCKED DUE TO MOISTURE FREEZING AT THE OIL… Remedy: DEALERS WILL MODIFY THE OIL GAUGE PIPE AND MODIFY THE OIL LEVEL GAUGE (DIPSTICK) OR REPLACE IT, DEPENDING ON THE TYPE OF DIPSTICK IN THE VEHICLE.

91V091000Power Train:Automatic TransmissionReported 11/06/1991

TRANSMISSION SHIFT LINKAGE MAY BE INCORRECTLY ADJUSTED AND WOULD NOT BE ENGAGED IN A FULL PARK POSITION WHEN PLACED IN PARK. Remedy: REPAIR THE TRANSMISSION PARK MECHANISM.

Technical service bulletins NHTSA · verified

Showing 5 of 11 bulletins on record with NHTSA.

BulletinDateComponentSummary
15-302-222022-08-23EquipmentThis bulletin contains illustrations of exchange components and their manufacturer as…
01-167-08R2022-08-23EquipmentThis bulletin contains additional information for recommended materials listed in the…
15-192-22R2022-03-18Electrical SystemThis bulletin has been developed to outline the steps for gathering basic essential…
01-167-08R2021-06-17Electrical SystemThis bulletin contains additional information for recommended materials listed in the…
09-51-08R2021-06-07EquipmentThis bulletin is to advise of SOA’s revised catalytic converter recycling program…

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 Loyale. 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 1990 Loyale take?

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

Does the 1990 Loyale have open recalls?

NHTSA lists 4 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Loyale get?

EPA figures are 19 city / 22 highway / 20 combined mpg.