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2012 Mazda Mazda6: engine and transmission complaints

NO ELEVATED SIGNAL
14%
6 of 42 relevant owner complaints are about the engine, transmission or fuel system

No elevated drivetrain complaint concentration in the available NHTSA records for the 2012 Mazda Mazda6. Engine, transmission and fuel system account for 14% of relevant complaints.

Better than 94% of the 1,230 model years we track (2010–2023).

Excludes 57 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 6%).

NHTSA data checked September 13, 2026
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Drivetrain complaints
6
engine, transmission, fuel
Total complaints
99
this model year
Fires reported
2
owner-reported
Recall campaigns
6
5 crashes · 6 injuries

Complaints by component

AIR BAGS30 · 30%
EXTERIOR LIGHTING28 · 28%
UNKNOWN OR OTHER20 · 20%
STRUCTURE12 · 12%
ELECTRICAL SYSTEM12 · 12%
SUSPENSION8 · 8%

The years either side

2010
7%
11 of 225
2011
7%
7 of 134
2012
14%
6 of 99
2013
too few complaints
2014
26%
34 of 137
2015
23%
12 of 60
2016
29%
20 of 77
2017
14%
8 of 60
2018
68%
39 of 58
2019
too few complaints
2020
too few complaints
2021
too few complaints
2022
no data
2023
no data

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

What owners reported

EXTERIOR LIGHTING,FUEL/PROPULSION SYSTEM12/02/2018
CAN SMELL STRONG GAS FUMES, AFTER FILLING GAS TANK. ALSO, GAS TANK LEAKING, AFTER PUTTING GAS IN TANK, AT HALF FILL OR FULL TANK, GET GAS SMELLS AND LEAKING. WHILE STATIONARY AND MOVING, CAN SMELL GAS FUMES. HEADLIGHTS DO NOT PROVIDE ADEQUATE VISIBILITY AT NIGHT AND DURING RAINY WEATHER. HEADLIGHTS ADEQUATE ONLY IN …
ENGINE02/10/2016
WHILE VEHICLE IS IN MOTION THE GEAR INDICATOR ON THE DASH I WILL FLASH IN AND OUT. WHEN THE LIGHT GOES OUT THE VEHICLE WILL STALL AND WHEN IT COMES BACK ON THE VEHICLE WILL REV UP CAUSING AN UNSAFE SPEED. THE ECM WAS REPLACED AND TWO MONTHS LATER THE PROBLEM STILL PERSISTS. THE DEALER CANNOT FIND ANYTHING WRONG
SERVICE BRAKES,ENGINE04/11/2013CRASH
TL* THE CONTACT OWNS A 2012 MAZDA MAZDA6. THE CONTACT STATED THAT WHILE UNOCCUPIED, THE VEHICLE ROLLED AWAY AND CRASHED INTO A WALL WHILE THE EMERGENCY BRAKE WAS ENGAGED. THE CONTACT ALSO STATED THAT THE CHECK ENGINE LIGHT ILLUMINATED AND THE VEHICLE HAD DIFFICULTY STARTING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE TH…

Three of 6 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.

Recall campaigns on this model year (6)

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
Mazda North American Operations (Mazda) is recalling certain 2014-2015 Mazda CX-9 vehicles sold, or ever registered in the states of Alabama, California, Florida, Georgia…
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
Mazda North American Operations (Mazda) is recalling certain 2007-2012 CX-7, CX-9, and 2009-2012 Maza6 vehicles. These vehicles had their passenger frontal air bag infla…
STRUCTURE
Mazda North American Operations (Mazda) is recalling certain 2011-2013 Mazda6 vehicles sold, or ever registered in Connecticut, Delaware, the District of Columbia, Illino…

This does not say whether a particular car has an open, unrepaired recall. That depends on the VIN.

Before you buy a 2012 Mazda Mazda6

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Experimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle.