Safety Score
90
Safe
Recalls
0
Complaints
50
NCAP Stars
—
Recalls (0)
No recalls found for the 2018 Mazda Mazda6.
Owner Complaints (showing up to 50)
| Date | Component | Crash | Injuries | Summary |
|---|---|---|---|---|
| 2026-04-04 | ENGINE | No | 0 | Car had a coolant leak due to cracked cylinder head that was defective from the factory it was fixed but now the car ha… |
| 2026-03-02 | POWER TRAIN | No | 0 | System Failure: The Power Train (6-speed Automatic Transmission) suffered a major malfunction, documented by diagnostic… |
| 2026-02-13 | ENGINE | No | 0 | Per Mazda inspection, the back side of cylinder head #3 has an oil leak which is leaking onto the exhaust manifold. Thi… |
| 2025-12-23 | ENGINE | No | 0 | I recently discovered a significant oil leak near the exhaust manifold of my 2018 Mazda 6 (2.5L NA), which has resulted… |
| 2025-10-11 | ENGINE | No | 0 | Cracked cylinder head causing oil leak and possible coolant leak. This is a known issue with this year and model. Mazda… |
| 2025-07-25 | POWER TRAIN | No | 0 | Was driving then car suddenly shut down and all panel lights turned on. The car would not start after an hour it starte… |
| 2025-04-18 | ENGINE | No | 0 | Bought used with 47k miles. Two weeks later, took it to my mechanic for an inspection, they found a massive oil leak on… |
| 2025-03-26 | FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP | No | 0 | The contact owns a 2018 Mazda Mazda6. The contact stated upon taken the vehicle to the dealer for an oil change, the de… |
| 2025-03-05 | SERVICE BRAKES | No | 0 | I am having my brake pads changed at a local mechanic and when changing the pads, the mechanic was unable to change the… |
| 2025-01-14 | UNKNOWN OR OTHER | No | 0 | Software error/loss of engine power. No warning of this before it happens. The car completely loses power, and stalls o… |
| 2024-12-22 | ENGINE | No | 0 | Driving in traffic and the engine temperature warning appeared on dash. Dealer has confirmed there is a large coolant l… |
| 2024-11-18 | ENGINE | No | 0 | Cracked cylinder head near the exhaust manifold. Created a large oil leak. Oil on the exhaust is a fire hazard. A… |
| 2024-09-28 | FUEL/PROPULSION SYSTEM | No | 0 | My car has stalled out on me 6 times in traffic and wouldn’t restart for hours. I took it to the Mazda dealership and t… |
| 2024-09-11 | ENGINE | No | 0 | Cracked Cylinder Head. At 50,400 miles. This is far too common of a problem for such a new car with so few miles. I hav… |
| 2024-07-08 | ENGINE | No | 0 | At less than 95,000 miles, the car suddenly started overheating. Coolant level was fine, maybe ever so slightly low (c… |
| 2024-07-08 | ENGINE | No | 0 | The contact owns a 2018 Mazda 6. The contact stated that while merging onto a freeway the vehicle did not accelerate wh… |
| 2024-05-06 | SERVICE BRAKES | No | 0 | Premature caliper failure on front and rear. Ruined rotors at 40k miles, confirmed caliper failure by two service shops… |
| 2024-04-07 | SERVICE BRAKES | No | 0 | On [XXX] I purchased a Mazda 6 at Ocean Mazda in Miami, Florida. The car has 18,700 miles. The reason why the car has … |
| 2024-04-03 | ENGINE | No | 0 | Start engine when cold and it knocks/ taps from the valve cover very loud, found a tab for valve lifters. Mazda said I’… |
| 2024-03-22 | ENGINE | No | 0 | Noticed slight coolant leak, took car to mechanic, he stated cylinder head was cracked, & causing coolant to spray ever… |
| 2024-03-22 | ENGINE | No | 0 | Mazda has a huge issue with there HLAs hydraulic lash adjusters. I've driven the car for 60k+ miles and it's ticked eve… |
| 2024-03-07 | ENGINE | No | 0 | At 65,000 miles and on time maintenance a head gasket blew. |
| 2023-12-13 | ELECTRICAL SYSTEM | No | 0 | Was at a drive in window and car turned off and couldn't restart. Windows and lights would work but car wouldn't restar… |
| 2023-12-10 | ENGINE | No | 0 | Coolant leaks at the cylinder head around the exhaust manifold causing my car to over heat. Also when my thermostat is … |
| 2023-12-04 | ENGINE | No | 0 | The engine has developed an oil leak that is a known manufacturing defect of Mazda 2.5 litre engines TSB #SA-031-21. Th… |
| 2023-12-04 | ENGINE | No | 0 | Cracked Head , not caused by anything I did. |
| 2023-10-12 | BACK OVER PREVENTION | No | 0 | When I put my car on reverse the sensors beep continuously and give the impression that there are obstacles behind your… |
| 2023-09-29 | ENGINE | No | 0 | Coolant leaking from head, informed by dealer the cylinder head is cracked and the entire engine needs to be replaced. … |
| 2023-05-14 | ENGINE | No | 0 | I was driving my car, it overheated. I took it in and was told it needs a new engine. I was told it was not fault of … |
| 2023-04-27 | ENGINE | No | 0 | Just noticed my coolant was leaking underneath my car and i went to mazda to check and it came out being a cracked cyli… |
| 2023-04-26 | ENGINE | No | 0 | Mazda is producing and installing bad belt tensioner sand bad belts for new cars belt tensioner only lasts about 27,500… |
| 2023-04-16 | ENGINE | No | 0 | Due to design issues, the engine cylinder head became cracked after normal everyday usage. Coolant began to leak badly … |
| 2022-06-28 | ENGINE | No | 0 | Took care for routine maintenance to car dealer (Ourisman Mazda Rockville MD). No problems with car. They reported th… |
| 2022-03-31 | FUEL/PROPULSION SYSTEM | No | 0 | Hello, I contacted Fremont mazda dealer to fix the below recall. I booked multiple appointment with this dealer to fix… |
| 2022-01-10 | UNKNOWN OR OTHER | No | 0 | Timing chain cover leak |
| 2021-11-21 | FUEL SYSTEM, GASOLINE | No | 0 | The contact owns a 2018 Mazda Mazda6. The contact received notification of NHTSA Campaign Number: 21V875000 (Fuel Syste… |
| 2021-10-01 | FUEL SYSTEM, GASOLINE | No | 0 | The contact owns a 2018 Mazda Mazda6. The contact stated that while driving at low speeds, the vehicle would hesitate u… |
| 2021-06-28 | ENGINE | No | 0 | I took my car in for scheduled maintenance and the technicians at the Mazda dealer found out the tensioner and belt nee… |
| 2021-05-22 | STRUCTURE:BODY | No | 0 | After only 3 years and less than 17,000 miles of driving, the soul red crystal metallic paint is chipping in many spots… |
| 2021-03-31 | VISIBILITY/WIPER | No | 0 | THE DRIVER SIDE MIRROR VIBRATES AT HIGHWAY SPEEDS MAKING IT EXTREMELY HARD TO SEE WHAT'S IN THE GLASS. |
| 2020-11-15 | UNKNOWN OR OTHER | No | 0 | I WAS DRIVING ON A STREET AND MY CHECK ENGINE LIGHT, TCS/DSC LIGHT, SBS/SCBS LIGHT, MRCC LIGHT, AND WARNING LIGHT APPEA… |
| 2020-08-01 | STRUCTURE:BODY | No | 0 | AFTER LESS THAN A YEAR OF LEASING THIS VEHICLE, AN ABUNDANCE OF ROCK CHIPS HAVE SHOWN UP, MORE THAN ANY OTHER CAR I'VE … |
| 2020-07-01 | POWER TRAIN | No | 0 | The contact owns a 2018 Mazda Mazda6. The contact stated that he had experienced a transmission surged on five separate… |
| 2020-05-25 | ELECTRICAL SYSTEM | No | 0 | MY MAZDA6 SPONTANEOUSLY CAUGHT ON FIRE WHILE IT WAS PARKED ON A STREET AND COMPLETELY BURNED DOWN. THE FAULT/PROBLEM CA… |
| 2019-11-22 | SEAT BELTS | Yes | 1 | TL* THE CONTACT OWNS A 2018 MAZDA 6. WHILE THE CONTACT'S FRIEND WAS DRIVING 55 MPH, HE VEERED OFF THE SIDE OF THE ROAD … |
| 2019-09-11 | POWER TRAIN | No | 0 | I GOT THIS CAR IN MAY OF 2019 SO THE CAR IS STILL NEW AND EVER SINCE I PURCHASED THE VEHICLE I'VE BEEN HAVING ISSUES WI… |
| 2019-08-23 | ENGINE | No | 0 | VEHIXLE HAS OPEN RECALL #3719F. TOOK VEHICLE IN FOR SERVICE ON JULY 15 AND ACCORDING TO NHTSA RECALL HAS EVEN OUT SINC… |
| 2019-07-16 | VISIBILITY/WIPER | No | 0 | WHILE MERGING ONTO THE FREEWAY ON MY WAY HOME FROM WORK, THE SUNROOF EXPLODED. I WAS DRIVING STRAIGHT ON THE FREEWAY W… |
| 2019-06-04 | UNKNOWN OR OTHER | No | 0 | EXCESSIVE PAINT CHIPPING. KNOW PROBLEM. NORMAL, EVERYDAY DRIVING; NO ROCKY ROADS, GRAVEL TRUCKS, ETC. |
| 2019-05-30 | ELECTRICAL SYSTEM | No | 0 | I MADE A STOP AT A TRAFFIC LIGHT AND THE GREEN LIGHT CHANGE I PRESSED THE GAS AND THE MAZDA6 STALLED AND THEN DRAGGED T… |