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NHTSA DATA · 2000–2026 MODEL YEARS
Hyundai Elantra engine noise: what owners report
5,771 complaints to NHTSA, sorted: where the trouble is, which sounds owners describe, at what mileage, and what the manufacturer told its dealers. Then check your own Elantra by sound, free.
The Hyundai Elantra has 5,771 owner complaints on file with NHTSA for the 2000–2026 model years. In 19% of them (1,086) the engine or the transmission is named. The system named most often is engine (933 complaints). Owners most often describe knocking (256), ticking (158) and clunking (87). The median mileage on an engine or transmission complaint is 70,000 miles. NHTSA lists 130 manufacturer service bulletins that touch the engine or the transmission and 3 engine or transmission recall campaigns (of 32 in total). These are counts of unverified consumer reports, not failure rates.
NHTSA data through October 2026. Counted by PulsCar, updated 2026-11-09.
19%
of complaints name the engine or the transmission (1,086)
5,771
owner complaints to NHTSA, 2000–2026
70,000
median miles when an engine or transmission complaint is filed
130
service bulletins on engine or transmission
3
engine or transmission recalls (of 32)
Where owners say the problem is
Systems named in the complaints. One complaint can name several.
Engine
933
Steering
607
Brakes
435
Electrical system
160
Suspension
143
Transmission and drivetrain
139
The sounds they describe
How often each word appears in the written complaints. The bigger the bubble, the more owners used it.
Knocking256
Ticking158
Clunking87
Rattling67
Grinding50
Shuddering24
Humming19
Whining5
Also written about: stalling (456) and misfiring (73).
What each sound points to
Among the complaints that use a word, how many name each system. This is how owners connect a sound to a part, not a diagnosis.
enginetransmissionbrakessteeringsuspensionelectrical system
“knock” 256
86%
10%
3%
11%
2%
4%
“tick” 158
92%
9%
4%
4%
0%
3%
“clunk” 87
9%
9%
2%
79%
9%
2%
“rattle” 67
57%
1%
3%
18%
16%
12%
“grind” 50
32%
2%
40%
18%
10%
8%
“shudder” 24
50%
33%
8%
8%
0%
4%
Hover a cell. Each row: the complaints that use that word, and the systems the same owners name.
Complaints by model year
Last 15 model years. Older cars had more time to collect complaints: read it as a map, not a ranking.
’12
’13
’14
’15
’16
’17
’18
’19
’20
’21
’22
’23
’24
’25
’26
2013 model year: 1,081 complaints (the most)
At what mileage
Engine and transmission complaints, by the mileage on the car when it was filed.
31%
41%
24%
Under 50,000 miles · 31%50,000 to 100,000 miles · 41%100,000 to 150,000 miles · 24%Over 150,000 miles · 5%
514 engine and transmission complaints state a mileage. Median: 70,000 miles.
Official records
Manufacturer service bulletins and recall campaigns on file with NHTSA. Tap a line to read it.
SERVICE BULLETINS · WHAT HYUNDAI TOLD DEALERS
130of 383 on engine or transmission, 2015–2026
Engine and cooling · 50Powertrain · 31Engine · 22Automatic transmission · 19Exhaust system · 4
If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp (MIL) will blink continuously, and the vehicle will be placed in Engine Protection Mode allowing the customer to drive to…
Bulletin 24-01-068H · 2024-09-03
CNDS is to detect abnormal cylinder wall scuffing or noise of the engine block before potentially severe engine damage occurs If abnormal noise is detected, the Malfunction Indicator Lamp (MIL) will…
Bulletin 22-01-043H · 2022-06-10
CNDS is to detect abnormal cylinder wall scuffing or noise of the engine block before potentially severe engine damage occurs If abnormal noise is detected, the Malfunction Indicator Lamp (MIL) will…
Bulletin 22-EM-008H · 2022-06-10
If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp (MIL) will blink continuously, and the vehicle will be placed in Engine Protection Mode allowing the customer to drive to…
Bulletin 966DBP · 2021-10-08
A service bulletin is a manufacturer’s instruction to dealers. It is not a recall and not a finding about any particular car.
RECALLS ON THE ENGINE OR TRANSMISSION
3of 32 recall campaigns
An electrical short circuit may occur in the exhaust gas recirculation (EGR) valve assembly, which can result in a loss of drive power.
Campaign 24V308000
The electronic controller for the Idle Stop & Go oil pump assembly may contain damaged electrical components that can cause the pump controller to overheat.
Campaign 23V526000
The piston oil rings may not have been properly heat-treated, which could result in engine damage.
Campaign 21V301000
Check any VIN for open recalls free at nhtsa.gov/recalls.
What noises do Hyundai Elantra owners report most?
In NHTSA complaints about the Hyundai Elantra, owners most often describe knocking (256 complaints), ticking (158 complaints) and clunking (87 complaints). These are word counts in written complaints, not confirmed faults, and one complaint can use several words.
When a Hyundai Elantra makes a knock noise, what do owners say it is?
Among the 256 Hyundai Elantra complaints that use the word “knock”, 86% also name the engine and 11% also name the steering. It shows how owners connect the sound to a part of the car; it is not a diagnosis.
At what mileage do Hyundai Elantra engine and transmission complaints appear?
Of 514 Hyundai Elantra engine and transmission complaints that state a mileage, 41% were filed between 50,000 and 100,000 miles, and the median is 70,000 miles.
Has Hyundai issued service bulletins or recalls for the Elantra engine or transmission?
According to NHTSA, 130 service bulletins touch the engine or the transmission (2015–2026) and 3 of its 32 recall campaigns concern the engine or the transmission. A service bulletin is an instruction from the manufacturer to its dealers; it is not a recall and not a finding about any particular car. Check any VIN for open recalls free at nhtsa.gov/recalls.
Can a sound check diagnose my Elantra?
No. A sound check is not a diagnosis, because nobody has opened your engine. PulsCar’s free check analyses 30 seconds of audio and tells you what to ask a mechanic.
Check your Elantra by sound
Film the engine for 30 seconds, idling, hood open. Two independent AI engines analyse the sound and you see the result on screen: a health score, the systems the sound can speak about and what to ask a mechanic.
What this data can and cannot tell you. NHTSA complaints are unverified consumer reports. These are counts, not rates: we do not know how many Hyundai Elantra cars were sold or driven, so a higher count does not mean a worse car. A sound check is not a diagnosis, nobody has opened your engine. Data: NHTSA public database (nhtsa.gov), counted by PulsCar.
Safety first. If the engine overheats, the oil light is on or the car loses power while driving, stop and call a mechanic.