MazdaRX-71986Overview/mazda/rx-7/1986/base/

1986 Mazda RX-7

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1986 RX-7.

Transmission Automatic 4-spd

The 1986 Mazda RX‑7 is a lightweight, front‑wheel‑drive sports coupe equipped with a 4‑speed automatic transmission and delivering 15/22/18 mpg city/highway/combined, a respectable figure for a small, rotary‑powered coupe of its era. Owners report only 13 total complaints that year, with the most frequent issue centered on the fuel system and gasoline delivery, and the model was subject to a single recall. Compared to later years, the 1986 RX‑7’s modest complaint count indicates a relatively reliable entry in the series, a fact that researchers should note when mapping the vehicle’s long‑term durability trajectory.

Model year199519941993198919881987198619851984

Quick specs

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

EPA fuel economy15/22/18 mpgEPA · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length169.7 in
Overall width66.5 in
Overall height50 in
Wheelbase95.7 in
Curb weight2626 lb
Weight distribution (front / rear)51/49

Ratings & economy EPA / vPIC

EPA city / highway / combined15 / 22 / 18 mpg
DrivetrainRear-Wheel Drive
Recommended fuelRegular Gasoline

Performance & power Independent road tests

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

Independent road tests for the RX-7 of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

8.1 sec0–60 mph (tested)quickest 8.10 sec — 1986 GXL Hatchback Coupe
YearTrim / engine0–60¼ mileHPDrivetrain
1986GXL Hatchback Coupe 1.3L R28.10 sec16.34 sec146 hpRWD
1987Turbo Hatchback Coupe 1.3L Turbo R27.20 sec15.30 sec182 hpRWD
1988Convertible 1.3L R29.20 sec16.90 sec146 hpRWD
1989GTUs Hatchback Coupe 1.3L R27.70 sec15.80 sec160 hpRWD
1990Turbo II Hatchback Coupe 1.3L Turbo R26.00 sec14.50 sec200 hpRWD

Service quick specs OEM factory data

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

This engine GL-5 in the differential.

Lubricants & capacities

Differential Gear OilGL-5
Differential Gear Oil Capacity2.8 Pints
Differential Gear OilGL-5
Differential Gear Oil Capacity3 Pints
Engine CoolantETHYLENE GLYCOL
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 5,000 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.

Every 5,000 miEngine Oil (drain & refill) · Engine Oil Filter (replace)
Every 15,000 miAxle Shaft Oil Seal (inspect) · Body Fasteners (torque) · Brake Linings (inspect) · Brake System (inspect) · CV Joint Boot (inspect) · Clutch Master Cylinder (inspect fluid level)
Every 30,000 miAccessory Drive Belt (inspect) · Brake Hydraulic System (drain, refill & bleed) · Drive Axle Assembly (drain & refill) · Engine Air Filter Element (replace) · Engine Coolant Level Sensor (inspect) · Exhaust System Heat Shield (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.

The federal record provided spans 1990–1995, documenting a trend of low complaint volumes through 1992 (ranging from 0 to 30 annually), a sharp escalation in 1993 (98 complaints, 4 recalls, 24 TSBs), and moderated but persistent activity through 1995. For the 1986 target specifically, the data records 5 fire complaints and 1 crash complaint, with fuel system categories—gasoline (5) and other (2)—constituting the primary complaint areas, though the dataset does not specify total complaint volume or root causes for this model year. Positioned prior to the earliest documented year in the federal record, the 1986 model predates the 1993 peak, placing it earlier in the vehicle lifecycle than the documented escalation. While the later years show increasing federal scrutiny with multiple recalls and investigations, the 1986 data indicates specific fire and fuel-system complaints without the comparative recall density observed in 1993–1995. Given the documented fire complaints and concentrated fuel-system concerns in the 1986 record—set against the more extensively documented reliability issues of the mid-1990s—this year requires rigorous pre-purchase inspection of fuel components and fire-risk areas, making it a conditionally acceptable purchase only with verified maintenance history.

1
Open recalls
NHTSA campaigns
4
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
13
Owner complaints
1 involved a crash · 5 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 13 complaints on record, top 7 components.

Fuel System, Gasoline5
Fuel System, Other2
Equipment2
Electrical System,Fuel/Propulsion System1
Structure1
Vehicle Speed Control1
Engine & Engine Cooling1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

87V160000Service Brakes, Air:Disc:CaliperReported 14/10/1987

IN AREAS OF HEAVY USAGE, ROAD SALT MAY ACCUMULATE AT SURFACES OF COMPONENTS OF FRONT BRAKE CALIPERS. Remedy: REPAIR FRONT BRAKE CALIPERS TO PREVENT ROAD SALT ACCUMULATION.

Technical service bulletins NHTSA · verified

Showing 4 of 4 bulletins on record with NHTSA.

BulletinDateComponentSummary
003981998-07-16Power TrainEXPERIENCING OIL LEAK AT REAR STATIONARY GEAR O-RING / ON - CAR REPLACEMENT PROCEDURE. *YC
008/971997-05-19EquipmentUSE OF A/C TRACER DYE. *TW
001/97G1997-04-08Electrical SystemMAINTENANCE FREE BATTERY - DIAGNOSTIC AND CHARGING PROCEDURE. *TW
003/97G1997-01-19Electrical SystemWIPER MOTOR INOPERATIVE - CIRCUIT BREAKER ACTIVATION. *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
Decode a VIN to confirm the transmission and build data for a specific RX-7. 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.

Reference guides

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

Frequently asked

Does the 1986 RX-7 have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the RX-7 get?

EPA figures are 15 city / 22 highway / 18 combined mpg.