SuzukiSamurai1986Overview/suzuki/samurai/1986/base/

1986 Suzuki Samurai

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1986 Samurai.

Transmission Manual 5-spd

The 1986 Suzuki Samurai combines a 3.9-quart oil capacity accepting 20W-50, 15W-40, or 15W-50 API viscosities with a manual 5-speed transmission and an EPA-rated 23/27/25 mpg. With only five owner complaints on file—all centered on steering—and zero recalls, this model year predates the complaint tracking period that later saw a peak of six complaints in 1992, indicating a notably trouble-free start to the Samurai’s production run.

Model year199519941993199219911990198919881986

Quick specs

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

Engine oil capacity3.9 qtOEM · verified
Engine oil type20W-50 / 15W-40 / 15W-50 APIOEM · verified
EPA fuel economy23/27/25 mpgEPA · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionManual 5-spd

Dimensions & weight NHTSA vPIC

Overall length135 in
Overall width57.5 in
Overall height66.1 in
Wheelbase79.9 in
Curb weight1984 lb

Ratings & economy EPA / vPIC

EPA city / highway / combined23 / 27 / 25 mpg
Drivetrain4-Wheel or All-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 3.9 qt of 20W-50 / 15W-40 / 15W-50 API engine oil, 75W-80 · 75W-90 · GL-5 in the differential.

Lubricants & capacities

Differential Gear Oil75W-80 · 75W-90 · GL-5
Differential Gear Oil Capacity3.2 Pints
Engine OilABOVE 14 degrees F
Engine Oil Capacity3.9 qt
Power Steering FluidATF

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 60,000 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 miDrive Axle Assembly (drain & refill) · Suspension Shock or Strut (inspect) · Throttle Cable (inspect) · Transmission Assembly (drain & refill)
Every 7,500 miBody Fasteners (torque) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Frame Fasteners (torque) · Suspension System (inspect)
Every 15,000 miCV Joint Boot (inspect) · Distributor Cap (inspect) · Distributor Rotor (inspect) · Driveshaft U-Joint (lubricate) · Fuel System (inspect) · Suspension Shock or Strut (inspect)
Every 30,000 miAir Injection System (inspect) · Choke System (inspect) · Drive Axle Assembly (drain & refill) · Engine Coolant System (drain, flush & refill) · Exhaust System (Complete) (inspect) · Fuel Filter (replace)
Every 50,000 miEGR System (inspect)
Every 60,000 miAccessory Drive Belt (inspect) · Emission Control System (inspect) · Fuel Line (inspect) · Ignition Timing (inspect) · Spark Plug Wires (replace)
Every 80,000 miOxygen Sensor (replace)
Every 100,000 miFuel Evaporative Canister (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 federal record provided begins in 1990, four years after the target model year, so direct year-over-year comparison with 1986 is not possible with the available data. However, the trend from 1990 through 1998 reveals a clear pattern: regulatory activity (recalls and investigations) concentrated in 1990–1991, with complaint volume peaking in 1992 at 6 before declining steadily to just 1 by 1998, suggesting issues were progressively identified and addressed in the early post-model years. Technical Service Bulletins remained constant at 2 throughout the entire period, indicating persistent but unchanged service guidance. For the 1986 model specifically, the four complaint categories (Steering, Engine & Engine Cooling, Structure, and Suspension) each registered one complaint, with two crash-related complaints filed but zero fire complaints, suggesting no concentrated defect pattern. The data does not specify root causes for any of these complaints, making it impossible to determine whether they represent isolated incidents or systemic weaknesses. The absence of 1986 from the year-by-year record itself may indicate lower complaint volume relative to later years, though this is not explicitly confirmed. Given that the peak regulatory activity occurred after 1986 and declined significantly by 1998, the 1986 model year falls before the documented resolution arc—meaning any latent defects present in 1986 may have manifested in subsequent years, as evidenced by the 1990–1992 complaint spike. A buyer should proceed with caution and conduct thorough mechanical inspection, as the limited federal data for 1986 itself provides insufficient basis for a definitive assessment of long-term reliability.

0
Open recalls
NHTSA campaigns
2
Service bulletins
Manufacturer communications
3
ODI investigations
Office of Defects Investigation
5
Owner complaints
2 involved a crash · 0 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 5 complaints on record, top 5 components.

Steering1
Engine & Engine Cooling1
Structure1
Suspension1
Seat Belts1

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 2 of 2 bulletins on record with NHTSA.

BulletinDateComponentSummary
N-Q-G-0452018-11-20SuspensionThis Service Bulletin was sent by Suzuki Motor Corporation to its authorized Suzuki…
0104145Engine And Engine CoolingCORRECT COOLANT USAGE. *EH

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 Samurai. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
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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 1986 Samurai take?

3.9 qt of ABOVE 14 degrees F: 20W-50 API, ABOVE 0 degrees F: 15W-40 OR 15W-50 API, ABOVE -4 degrees F: 10W-40 OR 10W-50 API, -4 degrees F TO 86 degrees F: 10W-30 API, BELOW 86 degrees F: 5W-30 API (STARBURS, per the factory manual.

Does the 1986 Samurai have open recalls?

NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Samurai get?

EPA figures are 23 city / 27 highway / 25 combined mpg.