2023 Mazda Mazda3 Problems

What to check before you buy

• Test every switch: windows, locks, mirrors, seat heaters, the screen, the backup camera, Bluetooth and every USB port.
• Watch the dash at startup. Every warning light should come on briefly and then go out.
• Have the battery and charging system tested. A weak alternator or battery drain shows up here.

Tools that help

What owners said

On 14th, 2026, while traveling at approximately 60 mph on the northbound 55 Freeway near the Katella exit, my vehicle suddenly began to shake violently without any prior warning. In response, I attempted to slow down by applying the brakes; however, the speedometer rapidly increased even as I maintained firm pressure on the brake pedal.…Owner complaint, filed 2026

I was driving on the highway and decided to switch int the left lane so I sped up and heard a big bang and what sounded like my bumper being dragged against the ground. I see on my dashboard that there’s an electrical and engine malfunction so I pullover and pop the hood. A bunch of smoke comes out and i see a little fire so me and my…Owner complaint, filed 2023

What to check before you buy

• Drive it from cold if you can. Shifts should be smooth in every gear, including reverse.
• Feel for slipping (revs rise without the car speeding up), shudder at low speed and a delay when you put it in gear.
• Listen for whining, which is a common CVT complaint, and clunks when you go from drive to reverse.
• If it has 4WD or AWD, engage it on the test drive and ask when the transmission and differential fluids were last changed.

Tools that help

What owners said

Transmission failure when driving. Car was towed to dealership and diagnosed. Transmission and torque converter replacement required under factory warranty. Very long lead time for dealer to acquire replacement parts, about 4 months.Owner complaint, filed 2026

On three occasions thus far when the vehicle was started and placed in drive the transmission slipped terribly, the engine rpms would race when pressing the accelerator and the vehicle would move at no more than a few MPH. The problem is intermittent but can be inspected. The problem has occurred on public roads when stopped at a light…Owner complaint, filed 2023

What to check before you buy

• Ask the seller not to warm the car up, and start it cold. Listen for ticking, knocking or a rough idle in the first minute.
• Pull the oil dipstick and the oil cap. Low oil, a gasoline smell or a milky film on the cap are reasons to walk away or get an inspection.
• Plug in an OBD2 scanner. Stored or pending codes matter, and so do readiness monitors that show "not ready", which usually means the codes were cleared right before the sale.
• Ask for oil change records. A gap in the records on a model known for engine complaints is a negotiating point at minimum.

Tools that help

What owners said

My 2023 Mazda 3 started to have a more terrible and annoying rattle after 3000 miles. The engine will resonate and knock when it reaches a certain speed. The slow speed light throttle acceleration rattles. The most annoying thing is the multiple rattles inside, dash, door panels, and roof. It is like a can in the summer. What’s more…Owner complaint, filed 2024

I was driving on the highway and decided to switch int the left lane so I sped up and heard a big bang and what sounded like my bumper being dragged against the ground. I see on my dashboard that there’s an electrical and engine malfunction so I pullover and pop the hood. A bunch of smoke comes out and i see a little fire so me and my…Owner complaint, filed 2023

What to check before you buy

• The pedal should feel firm and the car should stop straight without pulling, grinding or a pulsing pedal.
• The ABS and stability control lights should go out after startup and stay out.
• Look through the wheels at the rotors. A deep lip on the edge means brakes are due soon, which is a fair thing to negotiate on.

Tools that help

What owners said

On 14th, 2026, while traveling at approximately 60 mph on the northbound 55 Freeway near the Katella exit, my vehicle suddenly began to shake violently without any prior warning. In response, I attempted to slow down by applying the brakes; however, the speedometer rapidly increased even as I maintained firm pressure on the brake pedal.…Owner complaint, filed 2026

Automatic emergency braking suddenly engaged while driving on the highway. The car decelerated abruptly to a complete stop, causing the driver behind to rear-end me. There were no vehicles or obstacles in front of the car when the brakes engaged - the closest car was at least 100 feet in front of me. This collision was clearly the result…Owner complaint, filed 2023

What to check before you buy

• Where it is safe, try the adaptive cruise and lane keeping on the test drive and watch for sudden braking or warnings with nothing there.
• Check the windshield in front of the camera and the bumper sensors for cracks, chips or poor repairs.
• Ask whether the windshield has been replaced. The camera has to be recalibrated afterward, and many shops skip it.

Tools that help

What owners said

The active braking support feature of this vehicle falsely warns me of an imminent collision. It happens pretty often, the system is obviously not quite smart enough. Last week, while accelerating away from a stop light in moderately heavy traffic, the active braking system APPLIED THE BRAKES in a panic manner, causing the vehicle to…Owner complaint, filed 2025

Automatic emergency braking suddenly engaged while driving on the highway. The car decelerated abruptly to a complete stop, causing the driver behind to rear-end me. There were no vehicles or obstacles in front of the car when the brakes engaged - the closest car was at least 100 feet in front of me. This collision was clearly the result…Owner complaint, filed 2023

What to check before you buy

• Turn the wheel lock to lock while parked and listen for groaning, clicking or binding.
• On a straight road the car should track straight with the wheel centered and no loose feeling.
• A power steering warning on the dash, even briefly, deserves a mechanic’s look before you buy.

Tools that help

What owners said

On 14th, 2026, while traveling at approximately 60 mph on the northbound 55 Freeway near the Katella exit, my vehicle suddenly began to shake violently without any prior warning. In response, I attempted to slow down by applying the brakes; however, the speedometer rapidly increased even as I maintained firm pressure on the brake pedal.…Owner complaint, filed 2026

What to check before you buy

• The air bag (SRS) light should come on at startup and go out within a few seconds. If it stays on, the system may not work in a crash.
• Air bag recalls are some of the most serious. Check this exact VIN for open recalls and get proof any recall work was done.

Tools that help

What owners said

The contact's daughter had rented a 2023 Mazda Mazda 3. The contact stated that while his daughter was driving at approximately 70 MPH, the vehicle veered off to the left side of the highway and side-swiped a cable system; the vehicle then crashed into the end cap of a guardrail. The vehicle then hydroplaned and hit a bridge pillar. The…Owner complaint, filed 2023

What to check before you buy

• Look underneath with a flashlight. Utah road salt is hard on frames, brake lines and the bottoms of doors.
• Open and close every door, the hood and the liftgate, and lock and unlock each one.
• Use a paint thickness gauge and compare panels. A panel that reads very differently from the rest has likely been repaired.

Tools that help

What owners said

I was driving on the highway and decided to switch int the left lane so I sped up and heard a big bang and what sounded like my bumper being dragged against the ground. I see on my dashboard that there’s an electrical and engine malfunction so I pullover and pop the hood. A bunch of smoke comes out and i see a little fire so me and my…Owner complaint, filed 2023

What to check before you buy

• Check every light: headlights on low and high, fog lights, brake lights, turn signals and reverse lights.
• Run the wipers on every speed with washer fluid, and run the defroster front and back.

Tools that help

What owners said

While driving in snow storm I had to pull over and I noticed lights were covered with snow . LED lights will not produce heat to melt snow The lip above and the ledge below traps the snow and with the way the headlights are set up the snow sticks on the lights which affects visibility creating a safety issue. Same thing happens in rain.…Owner complaint, filed 2023

What to check before you buy

• Read the four-digit DOT date on each tire. Tires older than about six years should be replaced, whatever the tread looks like.
• Check tread depth on all four. On AWD vehicles all four tires should match.
• The tire pressure light should go out after startup.

Tools that help

What owners said

The contact owns a 2023 Mazda Mazda3 equipped with Bridgestone Tires, Tire Line: Turanza EL440, Tire Size: 215/45/R18, DOT Number: [XXX] . The contact stated that while inspecting the vehicle, it was discovered that the front passenger’s side tire had developed a sidewall bubble and the tire was replaced. Later the front driver's side…Owner complaint, filed 2024, at 2,500 miles