The Lemon Index

All cars · Mazda6

2012 Mazda6.

The 2012 Mazda6 is better than average by owner complaints: 24 complaints in its first 3 years and a Lemon Index of 62, where 100 is the average car. Owners complain most about lights, it has 6 recalls, and it gets 21 to 25 mpg combined. The best Mazda6 year is 2019.

62Lemon Index · 100 = average car

Better than average. 1.6× fewer complaints than average.

Best year 2019 · Worst year 2003

Mazda6
Photo shows a 2018 Mazda6. Vauxford, Wikimedia Commons · CC BY-SA 4.0 · background removed

Before you buy. What matters most for this car.

Owner complaints24first 3 years
Fuel economy21–25 mpgcombined, EPA
Crash test★★★★☆NHTSA overall

How serious. Out of 99 owner complaints, owners reported:

5crashes
4injuries
2fires
6tows

What owners complain about most. From owner complaints to the government.

lights67%
electrical25%
brakes4%
engine4%
fuel system, gasoline4%

Share of this year's owner complaints filed with NHTSA, not the share of cars that break. One complaint can name more than one area.

Transmission problems in every Mazda6 year →

When owners reported problems. From owner complaints to the government.

half by 66K
0K50K100K150K200K

Most owners who filed a complaint with NHTSA had 40K to 96K miles on the car (51 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.

  • lights complaints mostly came at 35K–73K miles

Recalls 6

  • airbags 2019

    These vehicles had their passenger frontal air bag inflators previously replaced under a prior recall using inflators of the same design.

  • body structure 2019

    The front cross member may corrode after exposure to road salt.

  • airbags 2018

    An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.

Show all 6 recalls
  • airbags 2017

    An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.

  • fuel system, gasoline 2014

    In the affected vehicles, spiders may weave a web in the evaporative canister vent hose, blocking it and causing the fuel tank to have an excessive amount of negative pressure.

  • latches/locks/linkages 2013

    The door latch mounting screws may become loose.

Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.

Check a VIN for open recalls

Problems Mazda6 told dealers about

Mazda6 sent dealers 247 repair notes for this car. The ones about its biggest problems:

  • Mil on with dtc's p0123 and / or p0222
  • In certain vehicles, within the engine harness, there are some abnormal electrical noises
  • Due to an abnormal electrical noise, within the engine harness, certain vehicles experience mil

Ask a seller or mechanic if these were done. Some are free under warranty or a special program.

Safety

Stability controlStandard
Collision warningNot offered
Lane departure warningNot offered
NHTSA front crash test of the 2012 Mazda6
Front crash test · NHTSA
Crash test details
VersionOverallFrontSideRollover
Mazda Mazda2 5 HB FWDnot ratednot ratednot ratednot rated
Mazda Mazda3 5 HB FWD★★★★☆★★★★★★★★☆☆★★★★☆
Mazda Mazda3 4 DR FWD★★★★☆★★★★★★★★☆☆★★★★☆
Fuel cost and engines

About $2550–3050 a year in fuel (EPA estimate). Engines: 2.5L 4-cyl, 3.7L 6-cyl.

In owners' words

I have had to replace my front driver side low beam headlight 4 times. No other light has gone out on the car. I have read multiple stories about people having this issue.

2012 Mazda6 owner · NHTSA complaint 10717778
More owner reports

Passenger side low beam light does not come on (high beams work fine). I've change the bulb but problem persists.

NHTSA complaint 10807344

Wiring system problem with front headlights results in loss of lighting, potential could cause fire.

NHTSA complaint 10808230

Quick answers

Is the 2012 Mazda6 reliable?

Yes, better than average by government complaints. It drew 1.6× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 62; 100 is average, lower is better). The best Mazda6 year by this measure is 2019.

What are the most common 2012 Mazda6 problems?

In owner complaints to the government, the parts named most are lights (67%), electrical (25%) and brakes (4%). That is the share of complaints, not the share of cars that break.

How many recalls does the 2012 Mazda6 have?

6 safety recalls (latest: airbags). Recall repairs are free at any dealer; check a specific car's VIN at nhtsa.gov/recalls.

What gas mileage does the 2012 Mazda6 get?

21 to 25 mpg combined, depending on the engine (EPA estimate).

Is the 2012 Mazda6 safe?

NHTSA gave it 4 out of 5 stars overall in its best tested version. Ratings differ by body style, and the full table is on the advanced page.

At what mileage do 2012 Mazda6 problems start?

Half of the owners who gave a mileage reported the problem between 40,100 and 96,000 miles. The middle report was at 66,000 miles, from 51 complaints.

Does the 2012 Mazda6 have transmission problems?

Transmission and drivetrain issues aren't among its top 5 complaint areas.

How much does the 2012 Mazda6 cost in fuel a year?

About $2550 to $3050 a year, by the EPA's current estimate.

What engines does the 2012 Mazda6 have?

2.5L 4-cyl, 3.7L 6-cyl.

What Mazda6 year is better than the 2012?

By owner complaints per car sold, the best recent years are 2019, 2011 and 2017.

Lemon Index = safety complaints filed with the U.S. government (NHTSA) in a car's first 3 years, per car sold, against the average car of the same model year. 100 is average; lower is better. A complaint is an owner's report, not a confirmed defect. How it works

Updated

Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data