Is the Mazda 6 reliable?
38% of the 29 we inspected scored 60/100 or higher, with an average of 56/100 — it scores a little below average.
29
Cars inspectedreal pre-purchase inspections56/100
Average conditionall cars we check: 61/10038%
In good shape (60+)all cars we check: 56%Across 29 used Mazda 6s we inspected, this model scores a little below average — average condition 56/100 vs 61 for all cars we check. Every number on this page comes from real pre-purchase inspections — cars people were about to buy and paid an independent inspector to go through point by point, engine to underbody, paint depth to error codes. Not owner surveys, not warranty statistics, not forum lore: what we actually found.
What we found
Most common faults
Oil leaks · Engine
76%
Tires condition & wear · Brakes and tires
41%
Fuel trim out of range · Engine
38%
Cracked or torn suspension bushings · Suspension
38%
Worn suspension joints · Suspension
34%
Share of inspected Mazda 6s where each item was flagged.
How they score
Excellent 24%
Good 14%
Mediocre 34%
Poor 28%
Hidden history
What the seller might not mention — how often we find it on this model.
90%had a repainted or replaced panelall cars: 75%
3%showed structural repairall cars: 4%
28%had fault codes recently clearedall cars: 24%
More on Mazda
Other Mazda models we've inspected — or see the full Mazda profile.
Straight from recent Mazda 6 reports
2017 Mazda 6 · 101k mi — flagged: smoothness, exhaust system leaks, battery condition. Inspected Sep 19.
2013 Mazda 6 · 182k mi — flagged: clunk, cv joints. Inspected Sep 19.
The bottom line
Assume the paint has been disturbed: 90 percent of these Mazda 6s show a repainted panel, so check color match and overspray before you trust the shine. The real filter is the engine, because oil leaks show up on 76 percent of them and fuel trim is frequently out of range — get under it cold, look for seepage, and scan for pending codes. Then check the bushings, joints, and tires. Most sit mediocre or worse, so walk if the engine is wet or the scan looks messy, and only negotiate when those faults are minor and already reflected in the asking price.
FAQ
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What are the most common problems on a used Mazda 6?
The items we flag most often are oil leaks (76%), tires condition & wear (41%), fuel trim out of range (38%). Have these checked before buying.
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Should I worry about cleared fault codes?
On 28% of these cars the ECU codes had been erased shortly before sale, which can hide active faults. Ask for a diagnostic scan and start the engine from cold.
Thinking of buying a Mazda 6? Get the exact car inspected before you pay.
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Based on 29 inspections · updated Sep 22, 2026
