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Cross-comparison · Comparison spans different vehicle types

2021 Kia Rio vs 2021 Lincoln Nautilus

Reliability comparison based on NHTSA recall and complaint records.

Synced 2026-05-03 Source: NHTSA public records Reviewed by ASE-certified contributors
Quick verdict
2021 Kia Rio and 2021 Lincoln Nautilus run close on the data

Reliability scores are close enough (4.2 versus 4.3) that the choice between these two probably comes down to specific use case rather than overall reliability scoring.

2021 Kia Rio

4.2/5
Reliability score
15 complaints
1 recalls (0 critical)
$700 repair exposure
vs

2021 Lincoln Nautilus

4.3/5
Reliability score
16 complaints
0 recalls (0 critical)
$7,100 repair exposure

Stories from the shop

Reliability scores run close (4.2 versus 4.3). The pick comes down to specific use case more than overall reliability scoring.

If you lean 2021 Kia Rio, know what you're getting into on steering. Those categories have noticeably more complaints than the 2021 Lincoln Nautilus sees, and they're not cheap items when they go.

Going with the 2021 Lincoln Nautilus? Watch the powertrain and body. The 2021 Kia Rio has fewer reports in those categories, so you'd be trading one set of weak spots for another.

On the dollars-and-cents side, total repair exposure across the top problem areas runs 10.1x higher on the 2021 Lincoln Nautilus. 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: pick based on use case more than the spec sheet. If you tow heavy and don't want to think about it, that's one calculation. If you're a daily driver and want the cheapest path forward, that's another. Both of these will get you down the road. We're just telling you where each one is most likely to break.

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

Side-by-side by problem area

Category
2021 Kia Rio
2021 Lincoln Nautilus
powertrain
No reports
5 reports
moderate · ~$2,500
steering
4 reports
severe · ~$700
No reports
body
No reports
3 reports
moderate · ~$1,500
engine
No reports
3 reports
moderate · ~$3,100

Common questions

Which is more reliable, the 2021 Kia Rio or the 2021 Lincoln Nautilus?

It's close to a tie. Both vehicles score within 0.2 points on our reliability index (4.2 vs 4.3). At this margin, either choice is defensible — base your decision on the specific failure modes that matter to you.

What goes wrong more often on the 2021 Kia Rio?

Compared to the 2021 Lincoln Nautilus, the 2021 Kia Rio sees more reported issues in steering. 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 2021 Lincoln Nautilus?

Compared to the 2021 Kia Rio, the 2021 Lincoln Nautilus has more complaints in powertrain and body. 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?

The 2021 Kia Rio has more active recalls (1 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 $7,100 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. "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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