2012 Hyundai Elantra: common problems

Owners of the 2012 Hyundai Elantra filed 654 complaints with NHTSA, most often about engine and electrical system. Details by component below, with sources.

Key figures

Owner complaints: 654
involving a crash: 47

What fails most often

1 Engine 21% of all complaints
2 Electrical system 19% of all complaints
3 Air bags 19% of all complaints
4 Service brakes 15% of all complaints
5 Steering 13% of all complaints
6 Suspension 7% of all complaints
7 Electronic stability control 7% of all complaints
8 Powertrain 6% of all complaints

Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Engine: 139 complaints (21% of all), 3 of them with a crash reported by the owner.
Electrical system: 126 complaints (19% of all), 4 of them with a crash reported by the owner.
Air bags: 124 complaints (19% of all), 25 of them with a crash reported by the owner.
Service brakes: 99 complaints (15% of all), 8 of them with a crash reported by the owner.
Steering: 88 complaints (13% of all), 9 of them with a crash reported by the owner.

Engines and transmissions

US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.

1.8 L · petrol · 4 cylnamed in 5 complaints
2 L · petrol · 4 cylnamed in 1 complaints
automatic, 4-speed
automatic, 6-speed
manual, 5-speednamed in 1 complaints
manual, 6-speednamed in 1 complaints

Drive: FWD

Symptoms owners describe

How many of the 654 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

warning lights, check engine110 · 17%
airbag warning light84 · 13%
won't start78 · 12%
knocking, grinding or other noise63 · 10%
smoke, burning smell, fire33 · 5%
stalls while driving29 · 4%
jerking, harsh shifts23 · 4%
infotainment or screen glitches23 · 4%
windows, sunroof22 · 3%
steering or power steering problems18 · 3%

Components owners complain about

Component	Owner complaints	involving a crash
Engine	139	3
Electrical system	126	4
Air bags	124	25
Service brakes	99	8
Steering	88	9
Suspension	45	0
Electronic stability control	44	8
Powertrain	40	0
Vehicle speed control	27	4
Visibility	19	0
Exterior lighting	17	0
Wheels	17	1
Structure	16	2
Tires	16	0

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

The front airbag did not deploy and my chest hit the steering wheel. My car was totaled and I was taken to the hospital and had 5 CT scans. The one for my chest showed a contusion which I continue to have pain from. I also had neck sprain or strain and had physical therapy to assist with the pain.
Air bags · crash · 2025-10-16 · NHTSA complaint #11693837
During the accident on February 1, 2025, at the moment of impact, the passenger seat belt suddenly unlatched and became stuck on my right hand. As a direct result, I suffered a fracture in my right hand at the exact point where the belt got caught, as well as fractures in my foot, ribs, back, and multiple other…
Seat belts · crash · 2025-08-21 · NHTSA complaint #11682203
Seatbelt failed passenger was thrown forward hitting windshield afterwards airbag deployed throwing passenger upwards hitting roof of vehicle Issue: Delayed airbag deployment Issue: Seatbelt failure
Air bags · crash · 2025-08-09 · NHTSA complaint #11679620
My steering wheel started making loud rattling and clunking noise. This happened when I turned or slowed down or went over a bump. It got worse very quickly. I suddenly could not steer at all. So I ran into a pole. Thankfully it wasn't another car or a person. Many people have this same issue.
Steering · crash · 2024-12-03 · NHTSA complaint #11628690
Car accelerated/surged when foot released from the gas pedal. Happened three separate instances. Last instance smashed into wall and damaged front bumper. Car so scary to drive we towed it to dealer. Replaced throttle sensor for $400. Related to NTSA OID 11439675
Fuel/propulsion system · crash · 2022-08-27 · NHTSA complaint #11481532
Consumer writes in regards to unintended acceleration. The consumer stated the vehicle suddenly surged forward while being driven 1-2 mph out of a parking lot. The consumer stated the brakes were depressed, but failed. The vehicle went over a parking spot barricade, into a feild, and crashed into a bolder.
Engine · crash · 2021-08-06 · NHTSA complaint #11427982
The contact stated while driving 60 mph, when the vehicle stalled causing another vehicle rear ended her vehicle. The contact stated no warning light was illuminated. The contact did not have any injuries or seek medical attention. A police report was filed. The vehicle was not drivable.
Electrical system · crash · 2020-10-08 · NHTSA complaint #11363470
No warning light illuminated. The contact and the other driver did not sustained injuries. A police report was filed. The vehicle was towed to tow impound lot due to the radiator was leaking and was unable to drive. The dealer nor manufacture were contacted. The failure mileage was approximately 100.
Service brakes · crash · 2020-10-08 · NHTSA complaint #11363434

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

20115
201227
201325
201450
201560
201681
201751
201852
201973
202054
202137
202223
202344
202448
202510
202614

Comparison

By complaint count this model year ranks 507 of 36,656 model years in the NHTSA data (top 1% most complained about).

On average one model year of the Elantra has 243 complaints (36 years in the data). This year has 654, above average.

What to check before buying

Engine. Cold start, unusual noises, oil leaks and engine codes.
Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.

Questions and answers

What are the most common problems with the 2012 Hyundai Elantra?

Owner complaints to NHTSA most often mention: engine, electrical system, air bags. Total complaints: 654. The most frequent symptoms in complaint texts: warning lights, check engine (17%), airbag warning light (13%), won't start (12%).

How many service bulletins (TSB) were issued for the 2012 Hyundai Elantra?

NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.

Should I buy a 2012 Hyundai Elantra from a US auction?

Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.

Other 2012 models

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.