Free. Instant. No signup. Pulls recalls and complaints for your exact vehicle.

Couldn't find that VIN. Check the digits and try again.

2021 hyundai Elantra vs 2021 nissan Sentra

Reliability comparison based on NHTSA recall and complaint records.

Synced 2026-04-29 Source: NHTSA public records Reviewed by ASE-certified contributors
Quick verdict
2021 Hyundai Elantra and 2021 Nissan Sentra are nearly tied on reliability data

2021 hyundai Elantra

3.6/5
Reliability score
126 complaints
2 recalls (0 critical)
$10,350 repair exposure
vs

2021 nissan Sentra

3.8/5
Reliability score
121 complaints
1 recalls (0 critical)
$7,600 repair exposure

Stories from the shop

Look, these two are running close enough that you'd be fine either way. Reliability scores are within rounding distance (3.6 for the 2021 hyundai Elantra, 3.8 for the 2021 nissan Sentra), and they've each got their own laundry list of weak spots. There's no clean winner here on the data alone.

If you're leaning 2021 hyundai Elantra, know what you're getting into on seatbelts and engine. Those categories have noticeably more complaints than what the 2021 nissan Sentra sees, and they're not cheap items when they go.

Going with the 2021 nissan Sentra? Watch the electrical and steering. The 2021 hyundai Elantra 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 1.4x higher on the 2021 hyundai Elantra. 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 hyundai Elantra
2021 nissan Sentra
electrical
24 reports
moderate · ~$850
36 reports
moderate · ~$850
steering
5 reports
moderate · ~$700
38 reports
severe · ~$700
seatbelts
21 reports
critical · ~$500
No reports
engine
8 reports
moderate · ~$3,100
3 reports
moderate · ~$3,100
powertrain
6 reports
moderate · ~$2,500
4 reports
moderate · ~$2,500
brakes
No reports
9 reports
severe · ~$450
cruise control
8 reports
severe · ~$600
No reports
visibility
4 reports
moderate · ~$350
No reports
body
3 reports
moderate · ~$1,500
No reports

Common questions

Which is more reliable, the 2021 Hyundai Elantra or the 2021 Nissan Sentra?

It's close to a tie. Both vehicles score within 0.2 points on our reliability index (3.6 vs 3.8). 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 Hyundai Elantra?

Compared to the 2021 Nissan Sentra, the 2021 Hyundai Elantra sees more reported issues in seatbelts and engine. 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 Nissan Sentra?

Compared to the 2021 Hyundai Elantra, the 2021 Nissan Sentra has more complaints in electrical and steering. 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 Hyundai Elantra has more active recalls (2 vs 1). 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 $10,350 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 auto-generated from the data and reviewed by ASE-certified contributors. Some links on this page are affiliate links.
Get a free warranty quote →