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Different vehicle classes · Different segments — choice depends on use case

2014 Mazda Mazda6 vs 2014 Nissan Altima

Reliability comparison based on NHTSA recall and complaint records.

Synced 2026-07-21 Source: NHTSA public records Reviewed by ASE-certified contributors
Quick verdict
2014 Mazda Mazda6 versus 2014 Nissan Altima — different vehicles, different jobs

These two come from different segments, which makes a direct reliability comparison less meaningful than usual. Showing the data so you can see what each one is good at and where each one breaks down. The reliability scores (3.7 versus 3.2) reflect different testing populations and use patterns — don't treat them as apples-to-apples.

2014 Mazda Mazda6

3.7/5
Reliability score
137 complaints
1 recalls (0 critical)
$12,700 repair exposure
vs

2014 Nissan Altima

3.2/5
Reliability score
1,110 complaints
1 recalls (0 critical)
$13,200 repair exposure

Stories from the shop

These come from different vehicle segments, which means we're not declaring a winner here. The 2014 Mazda Mazda6 scores 3.7; the 2014 Nissan Altima scores 3.2. Different testing populations, different driving patterns, different categories of failure. Use the data below to understand what each one is good at and what each one breaks.

If you lean 2014 Mazda Mazda6, know what you're getting into on brakes and cruise control. Those categories have noticeably more complaints than the 2014 Nissan Altima sees, and they're not cheap items when they go.

Going with the 2014 Nissan Altima? Watch the lighting and powertrain. The 2014 Mazda Mazda6 has fewer reports in those categories, so you'd be trading one set of weak spots for another.

Bottom line: these are different categories of vehicle. Pick based on what you actually need it for. We're showing the reliability data so you can factor in long-term ownership cost, not pick a winner.

— ProblemsByVin editorial team, drawing on the NHTSA data and shop experience.

Side-by-side by problem area

Category
2014 Mazda Mazda6
2014 Nissan Altima
lighting
No reports
280 reports
moderate · ~$250
powertrain
19 reports
severe · ~$2,500
195 reports
moderate · ~$2,500
airbags
No reports
188 reports
critical · ~$1,100
suspension
5 reports
severe · ~$900
116 reports
moderate · ~$900
electrical
42 reports
moderate · ~$850
59 reports
moderate · ~$850
steering
9 reports
severe · ~$700
58 reports
severe · ~$700
body
5 reports
severe · ~$1,500
36 reports
severe · ~$1,500
engine
5 reports
moderate · ~$3,100
28 reports
severe · ~$3,100
brakes
11 reports
moderate · ~$450
No reports
cruise control
8 reports
severe · ~$600
No reports

Common questions

Which is more reliable, the 2014 Mazda Mazda6 or the 2014 Nissan Altima?

Based on the NHTSA data we track, the 2014 Mazda Mazda6 comes out ahead with a reliability score of 3.7 versus 3.2. The margin is clear, so the verdict could shift if you weight specific categories differently or factor in your own use case.

What goes wrong more often on the 2014 Mazda Mazda6?

Compared to the 2014 Nissan Altima, the 2014 Mazda Mazda6 sees more reported issues in brakes and cruise control. That doesn't mean it's a bad truck — it means those are the categories worth budgeting for if you go that direction.

What goes wrong more often on the 2014 Nissan Altima?

Compared to the 2014 Mazda Mazda6, the 2014 Nissan Altima has more complaints in lighting and powertrain. Whether that's a deal-breaker depends on the cost and severity — see the comparison table above for repair cost ranges.

Which has more recalls?

Both vehicles have 1 active recalls. Total recall count alone isn't a great signal — what matters is severity. See the recall counts by severity in the comparison table.

Is an extended warranty worth it on either of these?

Both vehicles are out of factory bumper-to-bumper coverage at this point. Combined repair exposure across the top problem categories runs around $13,200 on the higher-risk vehicle. A quality service contract typically costs $1,800–3,500 over 3 years, so a single major failure usually pays for the contract. The math favors warranty coverage on whichever vehicle you choose, especially if you plan to keep it past 100,000 miles.

Related comparisons

Reliability scores, complaint counts, and severity ratings derived from the NHTSA public records database. Verify each vehicle's federal record: 2014 Mazda Mazda6 on NHTSA · 2014 Nissan Altima on NHTSA. "Repair exposure" is the sum of average independent-shop repair costs across each vehicle's tracked problem categories and is intended as a relative comparison, not an exact prediction. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. Some links on this page are affiliate links.
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