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

2018 Ford Fusion vs 2018 Mazda Mazda6

Reliability comparison based on NHTSA recall and complaint records.

Synced 2026-06-14 Source: NHTSA public records Reviewed by ASE-certified contributors
Quick verdict
2018 Ford Fusion versus 2018 Mazda Mazda6 — 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 (3.4 versus 4.0) reflect different testing populations and use patterns — don't treat them as apples-to-apples.

2018 Ford Fusion

3.4/5
Reliability score
419 complaints
2 recalls (0 critical)
$11,400 repair exposure
vs

2018 Mazda Mazda6

4.0/5
Reliability score
54 complaints
0 recalls (0 critical)
$8,100 repair exposure

Stories from the shop

These come from different vehicle segments, which means we're not declaring a winner here. The 2018 Ford Fusion scores 3.4; the 2018 Mazda Mazda6 scores 4.0. 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 2018 Ford Fusion, know what you're getting into on engine and powertrain. Those categories have noticeably more complaints than the 2018 Mazda Mazda6 sees, and they're not cheap items when they go.

On the dollars-and-cents side, total repair exposure across the top problem areas runs 1.4x higher on the 2018 Ford Fusion. That's the number to keep in mind when you're pricing the deal — a $2,000 difference in purchase price disappears the first time you're staring at a transmission rebuild.

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
2018 Ford Fusion
2018 Mazda Mazda6
engine
205 reports
moderate · ~$3,100
21 reports
moderate · ~$3,100
powertrain
97 reports
moderate · ~$2,500
7 reports
moderate · ~$2,500
electrical
21 reports
severe · ~$850
3 reports
severe · ~$850
steering
18 reports
moderate · ~$700
No reports
wheels
10 reports
moderate · ~$400
No reports
fuel system
7 reports
moderate · ~$1,200
3 reports
moderate · ~$1,200
brakes
4 reports
moderate · ~$450
3 reports
moderate · ~$450
airbags
4 reports
severe · ~$1,100
No reports

Common questions

Which is more reliable, the 2018 Ford Fusion or the 2018 Mazda Mazda6?

Based on the NHTSA data we track, the 2018 Mazda Mazda6 comes out ahead with a reliability score of 4.0 versus 3.4. 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 2018 Ford Fusion?

Compared to the 2018 Mazda Mazda6, the 2018 Ford Fusion sees more reported issues in engine and powertrain. 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 2018 Mazda Mazda6?

On the categories we tracked, the 2018 Mazda Mazda6 doesn't show meaningfully more complaints than the 2018 Ford Fusion. The two are running close.

Which has more recalls?

The 2018 Ford Fusion has more active recalls (2 vs 0). Total count is less important than severity, though — a vehicle with one critical recall and zero moderate ones is generally riskier than one with five moderate recalls.

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 $11,400 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: 2018 Ford Fusion on NHTSA · 2018 Mazda Mazda6 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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