BestCarRank
Hyundai

2021 Hyundai NEXO

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2021 Hyundai NEXO has 10 owner complaints filed with NHTSA — that's 0.8x the segment average of 12. The most common issue is fuel system problems (40% of all complaints), specifically: the contact owns a 2021 hyundai nexo. the contact received notification of nhtsa campaign number: 22v258000 (fuel system, other, electrical system) however, the part to do the recall repair was not yet available. the contact stated that the manufacturer had exceeded a reasonable amount of time for t. There are 2 recalls issued for this model year.

10

Total Complaints

2

Recalls Issued

—/5

Safety Stars

0.8x

vs Segment Avg

Known Problems(top 5 of 5)

FUEL SYSTEM

4 complaints
40%
  • • The contact owns a 2021 Hyundai Nexo. The contact received notification of NHTSA Campaign Number: 22V258000 (Fuel System, Other, Electrical System) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for t
  • • Catastrophic issue awaiting to happen. I am fearful the car can blow up. Hydrogen gas leak has been detected since March 2022. After and during the pumping, often there would be a loud hissing sound coming from the vehicle no from the pump itself. After fueling with hydrogen gas, it takes a mi
  • • It has become more frequent for there to be a delay in acceleration of about 3 to 4 seconds when traveling uphill. My car lost acceleration while going uphill. As I was gradually accelerating from a red traffic light to climb a hill, my car became stuck at a certain speed, around 50 mph on April 3r
Typical onset: 50K miles Est. repair: $500

“The contact owns a 2021 Hyundai Nexo. The contact received notification of NHTSA Campaign Number: 22V258000 (Fuel System, Other, Electrical System) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for t”

— NHTSA complaint filing

Recalls (2)

FUEL SYSTEM, OTHER:DELIVERY14/04/2022

Hyundai Motor America (Hyundai) is recalling certain 2019-2021 Nexo vehicles. The hydrogen gas detection sensors may fail to detect leaks in the hydrogen gas delivery system.

Risk: A hydrogen gas leak can increase the risk of a fire while parked or driving.

Fix: Owners are advised to park their vehicles outside and away from structures until the recall remedy is completed. Dealers will replace the hydrogen gas detection sensors, free of charge. Owner notification letters were mailed August 12, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 225.

Fuel Cost Calculator for 2021 Hyundai NEXO

Live EIA prices
Per year
$842
Per month
$70
Per mile
7.0¢
MPG
57
City driving (worst-case MPG)
$814/yr
Highway driving (best-case MPG)
$889/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today
Current
$4.00
5-year low
$2.78
5-year high
$5.01
Since 2021
+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2021 Hyundai NEXO

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.
Full coverage / year
$1,846
Full coverage / month
$154
Liability only / year
$639
vs US avg
+10%
How this estimate is calculated
US base full-coverage premium$1674
× state (US)1.00x
× vehicle class (suv-midsize)1.05x
× theft risk1.00x
× safety rating1.00x
× vehicle age1.05x
= Full coverage estimate$1846

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Hyundai NEXO Service Intervals

Oil change
8K mi / 12 mo
Tire rotation
8K mi
Brake fluid
24 months
Transmission fluid
60K mi
Engine coolant
60K mi
Spark plugs
90K mi
Cabin air filter
15K mi
Engine air filter
30K mi
Differential (AWD/4WD)
60K mi

Turbo engines (1.6T, 2.0T) need premium fuel and more frequent oil (some owners service at 5,000 miles).

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Hyundai New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)
5 yr / 60K mi
Powertrain
10 yr / 100K mi
Hybrid/EV battery
10 yr / 100K mi
Corrosion (rust perforation)
7 yr / unlimited mi
Roadside assistance
5 yr / unlimited mi

10 years/100K powertrain warranty is transferable only to first purchaser after initial owner

These are the terms for a new Hyundai. If you're buying a used 2021 NEXO, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Hyundai dealer for VIN-specific remaining warranty.

Estimated Repair Costs

FUEL SYSTEM(~50K mi)
$500
ELECTRICAL(~50K mi)
$500
ENGINE(~50K mi)
$500
DRIVER ASSIST/CAMERAS(~50K mi)
$500
TRANSMISSION(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 10 owner complaints for this specific year, here's what to check or ask about:

  • ☐
    FUEL SYSTEM: The contact owns a 2021 Hyundai Nexo. The contact received notification of NHTSA Campaign Number: 22V258000 (Fuel System, Other, Electrical System) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for t

    Typically appears around 50K miles. Repair cost ~$500

  • ☐
    ELECTRICAL: The car does not automatically brake to avoid collision. I have tested the car by going straight into a large object either another car or person in front of my car and it will not brake. In addition the hydrogen sensor is not working properly as I have already been informed of from their recall num

    Typically appears around 50K miles. Repair cost ~$500

  • ☐
    ENGINE: The car does not automatically brake to avoid collision. I have tested the car by going straight into a large object either another car or person in front of my car and it will not brake. In addition the hydrogen sensor is not working properly as I have already been informed of from their recall num

    Typically appears around 50K miles. Repair cost ~$500

  • ☐
    DRIVER ASSIST/CAMERAS: The car does not automatically brake to avoid collision. I have tested the car by going straight into a large object either another car or person in front of my car and it will not brake. In addition the hydrogen sensor is not working properly as I have already been informed of from their recall num

    Typically appears around 50K miles. Repair cost ~$500

  • ☐
    RECALLS: Verify all 2 recalls have been completed — free at any Hyundai dealer
  • ☐
    General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

Hyundai NEXO — Year Comparison

How does 2021 compare to other years? Fewer complaints = more reliable.

2023
12Average
2021
10Excellent Reliability
2020
13Below Average
Full years-to-avoid analysis →

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints
10
Recalls
2
Fire reports
0
Crash reports
0
Injury reports
0
Segment avg
12

Check a Specific VIN

See recalls for YOUR 2021 Hyundai NEXO

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