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Mazda MX-5 Miata

EPA MPG: 29 mpg

RECALL ALERT:
There is 1 recall on this vehicle. Learn More.

Reliability

Overall Reliability

The 2021 MX-5 Miata is more reliable than other cars from the same model year.

The 2021 Mazda MX-5 Miata has been recalled 1 time by NHTSA. View Recalls
Most Common Trouble Spots
Common Trouble Spot
Common Trouble Spot

Owner Reported Trouble Spots

The Reliability score is based on our latest subscriber survey of 2021 Mazda MX-5 Miata owners. The owner comments describe problems respondents experienced with this vehicle.

In-car Electronics

Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.

What Owners Say

Apple CarPlay

"I haven't been able to connect with apple Car play in 4 months. Not sure why. It fails on two different iPhones - my work and my personal."

Anonymous, GA (2021 Mazda MX-5 Miata Grand Touring 2.0-L 4 Cyl)
In-dash navigation system (GPS)

""The nav system is so user-unfriendly, I gave up after 5 minutes of trying. it is easier just to use the phone navigator. Even if it means placing the phone on the dash.""

Anonymous, GA (2021 Mazda MX-5 Miata Grand Touring 2.0-L 4 Cyl)
Other in-car electronics problem

"The warning light for the hand brake and windshield washer fluid are on all the time. The fluid is full and the brake is off. Mazda wants $1000 to replace the fluid switch. Don't know the cost of the brake light fix. We are living with the problems."

Anonymous A., FL (2021 Mazda MX-5 Miata Sport 2.0-L 4 Cyl)
Radio

"Left main speaker cut out when volume was adjusted. Had radio replaced by dealer under warranty."

Anonymous, MO (2021 Mazda MX-5 Miata Grand Touring 2.0-L 4 Cyl)

Body Hardware

Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.

What Owners Say

Other body problem

"The plastic sun visor on the driver side broke. Expectedly from sitting in the sun and heating up and the plastic broke so the spring-loaded resistance malfunctioned after breaking."

Anonymous, FL (2021 Mazda MX-5 Miata Sport 2.0-L 4 Cyl)

Climate System

AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.

What Owners Say

Refrigerant leaks

"Bad O rings"

Anonymous, CA (2021 Mazda MX-5 Miata Grand Touring 2.0-L 4 Cyl)

Brakes

Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.

Paint/Trim

Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.

Electrical Accessories

Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.

Drive System

Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.

Engine Electrical

Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.

Engine Major

Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.

Exhaust

Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.

Transmission Major

Transmission rebuild or replacement, torque converter, premature clutch replacement.

Transmission Minor

Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.

Noises/Leaks

Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.

Engine Minor

Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.

Suspension/Steering

Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.

Engine Cooling

Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.

Fuel System/Emissions

Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.

2021 Sports Cars & Convertibles Reliability

No Data Available

Mazda vs. Other New Car Brands Reliability

Reliability History
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Overall Reliability Verdict
POTENTIAL TROUBLE SPOTS
Powertrain
Engine Major
Engine Minor
Engine Cooling
Engine Electrical
Transmission Major
Transmission Minor
Drive System
Fuel System/Emissions
Exhaust
Suspension/Steering
Brakes
Climate System
Build Quality
Electrical Accessories
Body Hardware
Paint/Trim
Noises/Leaks
In-car Electronics
Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey for about 380,000 vehicles, our reliability history charts give you a rundown on how 2000 through 2025 vehicles are holding up in 20 potential trouble spots, ranging from the engine, transmission, electric motor, EV charging, and brakes, to power equipment and the electrical accessories.
Recalls
PROVIDED BY
AIR BAGS
Sep 18, 2024
An air bag that deploys with excessive force can increase the risk of injury during a crash.
Summary:
Mazda North American Operations (Mazda) is recalling certain 2016-2023 MX-5 Miata vehicles. A software error in the air bag control module may cause the front air bags to deploy with excessive force during a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
What should you do:
Dealers will update the Sophisticated Air Bag Sensor (SAS) control module software, free of charge. Owner notification letters were mailed November 7, 2024. Owners may contact Mazda customer service at 1-800-222-5500. Mazda's number for this recall is 6924I.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153) or go to www.nhtsa.gov.
NHTSA CAMPAIGN ID Number: 24V695000
Potential Number of Units Affected: 77670
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