MazdaMX-61990Overview/mazda/mx-6/1990/base/

1990 Mazda MX-6

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1990 MX-6.

Transmission Automatic 4-spd

The 1990 Mazda MX‑6, built on Mazda’s K platform, was offered with a 4‑speed automatic and achieved EPA ratings of 19/26/22 mpg city/highway/combined, making it a reasonably efficient front‑wheel‑drive coupe for its era. With only 18 total owner complaints that year—primarily concerning seat belts—and a single recall, the 1990 model sits comfortably in the lower‑end of the decade’s reliability spectrum, far below the 1993 peak of 59 complaints and well above the 1997 low of 4 complaints, indicating a modest but steady improvement in owner satisfaction over the MX‑6’s first decade.

Model year19951994199319921991199019891988

Quick specs

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

EPA fuel economy19/26/22 mpgEPA · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length177.2 in
Overall width66.5 in
Overall height53.5 in
Wheelbase99.2 in
Curb weight2899 lb
Track (front / rear)57.9 / 57.9 in

Ratings & economy EPA / vPIC

EPA city / highway / combined19 / 26 / 22 mpg
DrivetrainFront-Wheel Drive
Passenger volume100 cu ft
Cargo volume15 cu ft
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 MX-6 of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

7.0–7.6 sec0–60 mph (tested)quickest 7.00 sec — 1989 GT Coupe
YearTrim / engine0–60¼ mileHPDrivetrain
1989GT Coupe 2.2L Turbo I-47.00 sec15.30 sec145 hpFWD
1989GT 4WS Coupe 2.2L Turbo I-47.40 sec15.70 sec145 hpFWD
1988GT Coupe 2.2L Turbo I-47.50 sec15.70 sec145 hpFWD
1988GT Coupe 2.2L Turbo I-47.60 sec16.00 sec145 hpFWD

Service quick specs OEM factory data

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

Lubricants & capacities

Engine CoolantETHYLENE GLYCOL
Power Steering FluidDEXRON VI OR MERCON V

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.

Every 5,000 miEngine Oil Filter (replace)
Every 7,500 miEngine Oil (drain & refill)
Every 30,000 miAccessory Drive Belt (inspect) · Axle Shaft Oil Seal (inspect) · Body Fasteners (torque) · Brake System (inspect) · CV Joint Boot (inspect) · Engine Air Filter Element (replace)
Every 60,000 miFuel Filter (replace) · Timing Belt (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 model year represents the launch of this generation with 18 complaints, 1 recall, and 2 investigations—figures that remained relatively stable through 1992 before escalating dramatically to 59 complaints and 3 recalls by 1993. While half of the 1990 complaints involve seat belts, the data does not specify the root cause of these reports. Compared to the peak defect rates seen in 1993-1994, the 1990 model sits in an early window of lower federal scrutiny, though it carries significantly higher complaint volume than the final production years (1998-1999), which logged zero complaints. With zero fire complaints and only two crash-related complaints recorded, the safety profile appears manageable relative to the generation's troubled middle years. Given its position before the major reliability spike and its modest single recall, 1990 emerges as a comparatively sound acquisition within this generation.

1
Open recalls
NHTSA campaigns
14
Service bulletins
Manufacturer communications
2
ODI investigations
Office of Defects Investigation
18
Owner complaints
2 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 18 complaints on record, top 7 components.

Seat Belts9
Structure3
Fuel System, Gasoline2
Electrical System1
Engine & Engine Cooling1
Equipment1
Seats1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

93E035000Service Brakes, Hydraulic:Foundation Components:Drum:DrumReported 13/10/1993

THE GROOVE FOR THE REAR WHEEL BEARING RETAINER RING WAS INCORRECTLY MACHINED. Remedy: MIDAS SHOPS WILL REPLACE THE BRAKE DRUMS WITH OTHER BRAKE DRUMS FROM ANOTHER SUPPLIER.

Technical service bulletins NHTSA · verified

Showing 5 of 14 bulletins on record with NHTSA.

BulletinDateComponentSummary
00-003-19-35832019-03-20Engine And Engine CoolingIn support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose…
09-009-19-35662019-01-14Electrical SystemIn accordance with Federal regulations, follow the procedure listed below when replacing…
09-034-18-3430a2018-10-10Vehicle Speed ControlIn accordance with Federal regulations, follow the procedure listed below when replacing…
09-034-18-34302018-08-31Vehicle Speed ControlIn accordance with Federal regulations, follow the procedure listed below when replacing…
09-035-17-30802017-08-07Electrical SystemIn accordance with Federal regulations, follow the procedure listed below when replacing…

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 MX-6. 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 1990 MX-6 have open recalls?

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

What gas mileage does the MX-6 get?

EPA figures are 19 city / 26 highway / 22 combined mpg.