2015 Mazda6.
The 2015 Mazda6 is better than average by owner complaints: 43 complaints in its first 3 years and a Lemon Index of 61, where 100 is the average car. Owners complain most about brakes, it has 3 recalls, and it gets 29 to 32 mpg combined. The best Mazda6 year is 2019.

Before you buy. What matters most for this car.
How serious. Out of 60 owner complaints, owners reported:
Every Mazda6 year. 2015 is highlighted. Lower is better.
What owners complain about most. From owner complaints to the government.
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.
When owners reported problems. From owner complaints to the government.
Most owners who filed a complaint with NHTSA had 4K to 41K miles on the car (40 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.
Recalls 3
- parking brake 2017
Water could possibly enter the brake caliper causing the parking brake actuator shaft to corrode and possibly bind.
- tires 2014
If the pressures of four of the tires on an affected vehicle gradually drop at the same time, the tire pressure monitoring system (TPMS) may not warn the driver of the drop in pressure.
- electrical 2014
When driving the affected vehicles in heavy rain or in deep puddles, the alternator belt may slip causing the Power Control module (PCM) to incorrectly assume failure of the charging system.
Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.
Problems Mazda6 told dealers about
Mazda6 sent dealers 609 repair notes for this car. The ones about its biggest problems:
- Check engine light and automatic transaxle warning light on with dtc p0842
- Some customers may complain about one of the following symptoms when the vehicle is stopped
- Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging
Ask a seller or mechanic if these were done. Some are free under warranty or a special program.
Safety

Crash test details
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| Mazda Mazda3 5 HB FWD | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★☆ |
| Mazda Mazda3 4 DR FWD | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★☆ |
| Mazda Mazda5 SW FWD | not rated | not rated | not rated | not rated |
Fuel cost and engines
About $2000–2200 a year in fuel (EPA estimate). Engines: 2.5L 4-cyl.
Quick answers
Is the 2015 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 61; 100 is average, lower is better). The best Mazda6 year by this measure is 2019.
What are the most common 2015 Mazda6 problems?
In owner complaints to the government, the parts named most are brakes (28%), wipers & visibility (16%) and transmission & drivetrain (12%). That is the share of complaints, not the share of cars that break.
How many recalls does the 2015 Mazda6 have?
3 safety recalls (latest: parking brake). Recall repairs are free at any dealer; check a specific car's VIN at nhtsa.gov/recalls.
What gas mileage does the 2015 Mazda6 get?
29 to 32 mpg combined, depending on the engine (EPA estimate).
Is the 2015 Mazda6 safe?
NHTSA gave it 5 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 2015 Mazda6 problems start?
Half of the owners who gave a mileage reported the problem between 4,200 and 41,900 miles. The middle report was at 21,500 miles, from 40 complaints.
Does the 2015 Mazda6 have transmission problems?
Transmission and drivetrain issues make up 12% of its owner complaints.
How much does the 2015 Mazda6 cost in fuel a year?
About $2000 to $2200 a year, by the EPA's current estimate.
What engines does the 2015 Mazda6 have?
2.5L 4-cyl.
What Mazda6 year is better than the 2015?
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