This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
full bulletin at NHTSA ↗2013 Hyundai Genesis engine problems
moderate Owners of the 2013 Hyundai Genesis have filed 34 NHTSA complaints about the engine, typically surfacing around 56,000 miles at roughly $3,100 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
Failure mileage
Complaints
34
Recalls
0
Avg fix
$3,100
| Model year | engine complaints |
|---|---|
| 2009 Genesis | 8 |
| 2011 Genesis | 7 |
| 2012 Genesis | 37 |
| 2013 Genesis (this page) | 34 |
| 2014 Genesis | 3 |
| 2015 Genesis | 17 |
| 2016 Genesis | 14 |
When does it fail?
Of the 34 engine complaints filed for the 2013 Hyundai Genesis, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Owners have filed 34 engine complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Among the 7 model years of Hyundai Genesis in our records for engine problems, this one ranks #2 by owner-complaint volume.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly replacement.
full bulletin at NHTSA ↗This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps.
full bulletin at NHTSA ↗This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
full bulletin at NHTSA ↗This bulletin provides information regarding the changes in the timing chain and the crankshaft sprockets on certain Azera (HG), Santa Fe/Santa Fe XL (NC), Genesis (BH/DH), Genesis Coupe (BK), and G90 (HI) vehicles equipped with Lambda 3.3L / 3.8L GDI engines.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2013 Genesis engine complaints fall into two categories: catastrophic failures and chronic drivability issues, both often without warning.
Sudden engine seizure is the most serious pattern. Owners report loud knocking, complete power loss at highway speeds (40–72 mph), and loss of power steering—a genuine safety risk. Several describe rod-through-block failures. These occur across a wide mileage range (53K–117K miles) with no preceding warning lights. A tow truck driver reportedly picks up Genesis coupes daily for the same failure.
Intermittent stalling happens at low speeds (10–50 mph), especially while coasting to a stop. Electrical systems stay on; engine restarts fine. It's random and non-reproducible, so dealers can't diagnose it despite multiple visits and no fault codes.
Misfire and rough idle plague early ownership (13K–34K miles). Owners report stumbling on acceleration, cold-start rough idle, and excessive black soot on the exhaust. One dealer blamed "high performance" engine character and refused to document it. A TSB (#12-FL-007) for ECU software existed, but application was inconsistent.
One unintended acceleration case involved a vehicle lurching forward at a traffic light and reaching 50 mph before stopping.
Owners frequently cite that Hyundai's Theta II engine recall covers other models (Elantra, Sonata, Veloster) but excludes the Genesis Coupe 2.0T—despite identical engines and identical failures. Class action settlements do not cover this vehicle.
Same Hyundai Genesis engine reports on nearby years: 2012 · 2015 · 2016
Failure modes owners describe
Engine Seizure / Rod Bearing Failure
Connecting rod bearing failure or displacement causing the engine to seize without warning. In several cases, owners report loud knocking sounds, the rod penetrating the engine block, or total loss of power while driving at highway speeds. No warning lights preceded most failures.
When: Mileage varies: 53K, 64K, 95K, 98.7K, 117K+ miles; some early in ownership, others at higher mileage
Symptoms owners cite: Loud knocking or banging from engine; Sudden complete loss of engine power while driving; Engine vibration; Loss of power steering when engine dies; Oil leakage onto highway in severe cases; No warning lights before failure in most cases
Repairs/costs cited: Engine replacement needed; one owner cited cost of $10K for used engine. Dealers unable to prevent recurrence or diagnosis before failure.
Recalls/TSBs owners mention: Hyundai has issued recalls for Theta II engines in other vehicle models (Elantra, Sonata, Veloster) but excluded Genesis Coupe 2.0T from recall coverage despite same engine family. Class action lawsuits filed for other models; Genesis owners excluded.
Engine Stalling - Random / Intermittent
Engine stalls without warning while driving at various speeds (10–50 mph), sometimes coasting to a stop. Electrical systems remain operational (radio, AC, fans continue). Engine restarts immediately after stall. No diagnostic codes found by dealers on multiple attempts. Happens randomly, cannot be reproduced for diagnostics.
When: Multiple incidents reported within 2.5-year ownership; one case at ~53K miles, another at ~95K miles, others unreported
Symptoms owners cite: Engine stalls while slowing down or coasting; Occurs at speeds 10–50 mph; No warning lights or indicators before or during stall; Electrical systems remain functional; Engine restarts immediately; Random, non-reproducible occurrence; Loss of power steering when stalled (some cases)
Codes mentioned: No codes detected, P0300, P0301–P0306 reported in one case (misfire-related)
Repairs/costs cited: Westgate valve replacement attempted in one case but failure recurred. Dealer diagnostics unsuccessful; no failure codes located despite multiple dealer visits. Independent testing also yielded no codes.
Recalls/TSBs owners mention: TSB #12-FL-007 (July 2012) issued for GDI IDB ECU software update related to misfire; however, not all cases yielded fault codes. Dealers unable to notify owners proactively or consistently apply fix.
Rough Idle / Cold Start / Misfire
Engine runs rough on cold start or exhibits pronounced stumbling during highway acceleration. Misfire codes detected in some cases (cylinders 1–6). Exhaust smoke and sooty residue on bumper and exhaust tips. One dealer attributed sooting to 'high performance' engine characteristic and refused to document issue.
When: Started early in ownership (18K miles, 13K miles); persists through ~34K miles
Symptoms owners cite: Rough idle on cold start; Stumbling or hesitation on highway acceleration; Black exhaust carbon soot emerging from exhaust; Sooty staining on rear bumper and exhaust tips; Engine running rough despite fuel grade changes; Backfiring periodically, especially when downshifting; Sputtering at startup with tachometer below 500 RPM
Codes mentioned: P0300 (Random/Multiple Cylinder Misfire), P0301–P0306 (Individual Cylinder Misfire, cylinders 1–6)
Repairs/costs cited: ECU software update applied per TSB #12-FL-007 in one case (04/2013); repair order did not document specific cylinder misfire (cylinder 5 reported verbally). Owners told not to use certain fuel brands, but problem persisted. One dealer refused to document rough running complaint.
Recalls/TSBs owners mention: TSB #12-FL-007 issued July 2012 for 3.3L/3.8L vehicles with GDI IDB ECU software update; however, dealer notification was insufficient. One dealer advised problem may recur.
Unintended Acceleration
Vehicle accelerates suddenly without driver input. One owner reported vehicle lurched forward at a stop light and reached 50 mph before being stopped. Dealers unable to reproduce or diagnose the condition.
When: Multiple incidents over time; one verified incident when dealer observed vehicle
Symptoms owners cite: Sudden acceleration without pedal input; Vehicle lurches forward at stop light; High RPM spike (tachometer to ~5000 RPM noted in one case); Sudden jerking as if being struck from behind
Repairs/costs cited: Dealer unable to duplicate problem when vehicle present. No repairs documented.
Engine Failure - Lower End / Unspecified Cause
Complete engine failure with loud knocking from bottom half and noise from top end, confirmed by independent service center to be related to Hyundai TSBs. One case includes loss of power steering and transmission control during highway off-ramp, creating immediate safety hazard.
When: Unspecified mileage; occurred without prior symptoms
Symptoms owners cite: Extremely loud knock from lower engine; Noise from top end of engine; Dashboard warning lights illuminated at moment of failure; Loss of power steering; Inability to shift from 5th to 6th gear
Repairs/costs cited: Independent service center diagnosis confirmed TSB-related cause. Hyundai dealership declined to diagnose without charging tow, inspection, and diagnosis fees, then denied coverage under recall.
Recalls/TSBs owners mention: Related to TSB issued by Hyundai; however, Genesis Coupe excluded from recall despite same engine being recalled in other models. Dealer refused coverage.
Oil Consumption / Bearing Wear
Excessive oil consumption leading to premature rod bearing wear, causing catastrophic engine failure. Owner attributes this to same defect settled in class action lawsuits for other Hyundai models with Theta II engines.
When: Manifested over ownership period; failure occurred before reaching 100K miles (one case at ~64K miles)
Symptoms owners cite: Excessive oil consumption; Premature rod bearing wear; Engine seizure or failure
Repairs/costs cited: Complete engine failure requiring replacement.
Recalls/TSBs owners mention: Hyundai has settled class action lawsuits for Theta II engine bearing failures in other vehicle models (Elantra, Sonata, Veloster); Genesis Coupe 2.0T excluded from recall and lawsuit coverage despite identical engine.
Synthesized from 34 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
There was a recall on some Hyundai engines from 2011-2012. I have been told by Hyundai that my vehicle was not included in the recall as it is a 2013. It is the same engine and has malfunctioned in one of the cylinders rendering the car inoperable because of that engine malfunction. The car has had routine maintenance and is at 100k miles.
Tl* the contact owns a 2013 Hyundai Genesis. The contact stated that while traveling various speeds, the vehicle suddenly stalled. The contact mentioned that the failure was experienced many times. The vehicle was taken to the dealer where it was found that the westgate valve failed and needed to be replaced. The vehicle was repaired but the failure recurred. The manufacturer was contacted about…
Had engine trouble with your 2013 Hyundai Genesis?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2013 Hyundai Genesis?
It's a documented issue but not catastrophic. 34 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Across the 16 complaints that reported odometer mileage, most engine failures cluster between 20,000 and 91,520 miles, with the median around 56,000. A quarter of owners report trouble before 20,000; a quarter make it past 91,520. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2013/Hyundai/Genesis.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.