Intermittent issue with starting the vehicle (2011 Hyundai elantra) , mostly after overnight parking, generally from a parked, non start position. When you turn the key, a single click. You may try a second or sixth time, and the vehicle will start and run normally. It may be fine for a day or two, then have problems again even several times throughout the day. Shifting into reverse or neutral,…
2011 Hyundai Elantra powertrain problems
severe 22 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Failure mileage
Complaints
22
Recalls
0
Avg fix
$2,500
1crash
1injury
When does it fail?
Of the 22 powertrain complaints filed for the 2011 Hyundai Elantra, here's the actual mileage breakdown — failures cluster heaviest at 100,000-125,000 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
No new NHTSA powertrain complaint has been filed on this vehicle in over 8 years — the issue may be aging out of the active population.
The failure pattern owners describe
Buyer takeaway: The 2011 Elantra powertrain is plagued by starter/range sensor no-start issues, multiple transmission failures with uncontrolled acceleration, unexpected gear shifts into reverse or neutral, and erratic shifting. Owners report costly dealer visits that often fail to diagnose root causes, leaving vehicles unsafe to drive with high repair bills and warranty denials.
Owners of the 2011 Elantra consistently report intermittent no-start problems—single click on key turn, requiring multiple attempts or gear shifting to get the vehicle to turn over. One owner cites TSB 15-AT-001 regarding a range sensor switch as the likely culprit, though dealers claim unfamiliarity with the issue. Battery and starter replacements have not resolved it.
Transmission problems dominate the complaints. Multiple owners describe sudden shifts into neutral or reverse while driving, sometimes accompanied by stalling. One owner had the transmission replaced three times in 100,000 miles. After replacement, throttle pedal hang is common—the engine idles at 5,000–7,000 RPM uncontrollably, forcing hard braking at stoplights. One vehicle bucked violently at highway speed and shifted to neutral at 800 miles, new.
Power loss while driving crops up as well. One owner was towed six times in five months with no permanent fix and anticipates engine replacement. Another reports the vehicle jerks hard into reverse and loses power while driving.
Gear cable crimps, stuck gear shifts, erratic shifting with check-engine codes (P0711 transmission fluid temperature sensor), and even transmission drop with axle fracture appear across the cluster. Dealers consistently report inability to diagnose or reproduce faults. One owner paid $4,000 out-of-pocket for engine rod knock repair despite dealer knowing the cause. Warranty denials and out-of-pocket repair costs are routine.
Same Hyundai Elantra powertrain reports on nearby years: 2008 · 2010 · 2012 · 2013 · 2014
Failure modes owners describe
Intermittent no-start / single-click starter
Vehicle fails to start on key turn, producing only a single click. Issue occurs intermittently, often after overnight parking, and may resolve after multiple attempts or shifting gear position. Prior owner had replaced starter; current owner replaced battery at dealer with no resolution. Correlates with winter season and TSB 15-AT-001 mentioning range sensor switch as possible cause.
When: 10 months after purchase, recurring; winter season noted as trigger
Symptoms owners cite: Single click when turning key; Intermittent no-start, sometimes requiring multiple key turns; Shifting into reverse or neutral then back to park temporarily helps; Issue recurs days or hours after seeming resolution; More frequent in winter
Repairs/costs cited: Battery replaced at dealer (cost not stated); starter already replaced by prior owner
Recalls/TSBs owners mention: TSB 15-AT-001 referenced by owner regarding range sensor switch; dealer unable to recreate issue at first visit
Transmission failures with uncontrolled acceleration
Multiple transmission replacements (three instances reported by one owner at 100,000 miles total, two instances by another at 30,000 miles). After replacement, throttle pedal does not return to idle; vehicle drives uncontrolled at high RPM (5,000–7,000) requiring hard braking at stoplights. Dealers unable to diagnose or repair underlying cause despite multiple visits (3 visits mentioned for one owner).
When: Multiple failures: first at ~30,000 miles, again shortly after; second owner at 100,000 miles total across three replacements
Symptoms owners cite: Transmission shifts into neutral unexpectedly while driving; Throttle pedal stuck or does not return to idle; Vehicle drives uncontrolled at high RPM without pedal input; RPM climbs to 5,000–7,000 at idle or stoplights; Hard braking required to control vehicle
Repairs/costs cited: Transmission replaced 2–3 times; underlying issue not repaired. One owner paid out-of-warranty repair costs at dealers (Rickcase Hyundai Roswell, AutoNation Hyundai Mall of Georgia); another owner reported warranty expired with no coverage
Recalls/TSBs owners mention: Hyundai customer service (1-800-633-5151) told owner dealer cannot fix if they cannot find problem; no further action offered
Unexpected shift from drive to reverse or neutral
Transmission unexpectedly shifts out of driver-selected gear. Vehicle may shift into reverse when driver selected drive, or shift into neutral while driving. One instance involved crimp in gear cable; another involved re-programming of vehicle twice by dealer without permanent fix. Manual hold of gear required to maintain intended direction.
When: 9,000 miles; 27,700 miles (crimp in cable); 30 miles (within first week of ownership); multiple recurrences
Symptoms owners cite: Vehicle shifts into reverse when drive selected; Vehicle shifts into neutral while driving at 25–30 mph; Driver must force and hold gear into drive to maintain direction; Engine stalls when in reverse gear; Occurs during gear selection and while driving
Repairs/costs cited: Crimp in gear cable repaired; vehicle re-programmed twice by dealer
Recalls/TSBs owners mention: Manufacturer notified; dealer advising unaware of failures in some cases
Complete loss of power while driving
Vehicle loses all electrical power while driving, requiring jump-start to restart. Power loss recurs shortly after jump-start. No manual steering or neutral-gear capability when powered off, preventing safe towing without repeated restart attempts. Owner reports six tows in five months and anticipates engine replacement.
When: Multiple instances over 5-month period
Symptoms owners cite: Complete loss of power while driving; Cannot maintain power after jump-start; Steering locks when powered off; Cannot shift to neutral without power; Repeated power loss after restart
Repairs/costs cited: Towed 6 times in 5 months; engine replacement anticipated by owner
Transmission fluid temperature sensor failure (P0711)
Check engine light illuminates with diagnostic code P0711 (transmission fluid temperature sensor). Owner reports this is a known issue on Elantra and Sonata models that dealerships are aware of. Sensor failure can lead to transmission slipping and loss of vehicle movement.
When: Not specified; owner notes it is a recurring problem on model line
Symptoms owners cite: Check engine light illuminates; Transmission shifts funny or erratically; Potential for transmission slip and loss of movement if not addressed
Codes mentioned: P0711
Repairs/costs cited: Owner states dealership knows sensor fails and profits from repairs; no specific repair cost given
Jerking, speed loss, and hard jerking with check engine light
Vehicle jerks and loses speed while driving at 25 mph; check engine light illuminates. When vehicle reaches 45 mph, it jerks hard. Dealer unable to duplicate failure. Separate complaint of vehicle lurching forward from stopped position in drive gear without acceleration capability.
When: At approximately 79,000 miles (jerking complaint); 19,000 miles (lurching complaint)
Symptoms owners cite: Vehicle jerks and loses speed at low speed (25 mph); Check engine light illuminates; Hard jerking at higher speed (45 mph); Lurches forward from stop without acceleration; Intermittent, difficult to reproduce
Repairs/costs cited: Dealer unable to diagnose; vehicle not repaired
Transmission drop and axle fracture
Transmission dropped and fractured the axle while driving, accompanied by abnormal noise from transmission. Owner did not contact dealer or manufacturer; vehicle towed to owner's house.
When: At 144,000 miles
Symptoms owners cite: Abnormal noise from transmission; Transmission dropped; Axle fractured
Repairs/costs cited: Vehicle not diagnosed or repaired
Manual transmission gear shift failure
Manual transmission fails to shift from 4th to 5th gear. Engine revs to 4,000 RPM without acceleration, as if in neutral. Vehicle driven remaining distance in 4th gear.
When: Not specified; owner was attempting to accelerate on highway on-ramp
Symptoms owners cite: Unable to shift from 4th to 5th gear; Engine revs without corresponding speed increase; Feels as if vehicle is in neutral
Violent transmission bucking at highway speed with loss of throttle response
At 800 miles on new vehicle, transmission violently bucks at highway speeds (exceeding 60 mph) and shifts to neutral. No throttle response when in neutral. Vehicle recovers after key-off restart, but problem recurs within days.
When: 800 miles, new vehicle; recurred 2 days in a row
Symptoms owners cite: Violent bucking at highway speeds; Transmission shifts to neutral unexpectedly; No throttle response when in neutral; Requires coasting to safety; Resolves after key-off restart but recurs
Rod knock with erratic transmission shifting
Engine develops rod knock at 57,000 miles with simultaneous erratic transmission shifting. Dealer coverage limited to 60% of engine repair cost (owner cost $4,000 on vehicle worth $6,000 trade-in), plus $600 for transmission problem. Metal shavings found in oil pan and valve cover.
When: At 57,000 miles
Symptoms owners cite: Rod knock in engine; Erratic transmission shifting; Metal shavings in oil pan and valve cover
Repairs/costs cited: Dealer covered 60%; owner responsible for $4,000 engine repair plus $600 transmission repair
Hard reverse engagement and loss of power while driving
Vehicle jerks hard into reverse. While driving, vehicle loses power and becomes unresponsive, acting as if it is not moving despite being in gear. Low mileage vehicle.
When: Not specified; low mileage reported
Symptoms owners cite: Hard jerk when shifting into reverse; Loss of power while driving; Vehicle unresponsive, acts as if not going anywhere
Gear shift stuck in park and reverse; ESC light intermittent
Gear shift will not move into park or reverse. Electronic stability control (ESC) light comes on and off intermittently.
When: Not specified
Symptoms owners cite: Gear shift stuck and will not move into park; Gear shift stuck and will not move into reverse; ESC light comes on and off
Defective front axles (post-collision)
After passenger-side collision, dealership installed four front axles in succession, with first three determined to be defective. Owner without vehicle for nearly three months awaiting fourth axle installation. Not directly a manufacturing defect but indicates supply or QC issues affecting repair experience.
When: Post-collision repair, March 2014; three months of downtime
Symptoms owners cite: Multiple front axles delivered defective; Unable to complete repair
Repairs/costs cited: Four axles ordered; first three defective; fourth pending installation
Recalls/TSBs owners mention: Dealership advised axles were defective
Traction control and engine knock triggered by tire pressure light
Tire pressure warning light illuminates while driving at 60 mph (tires previously checked). Traction control light begins blinking uncontrollably. Engine begins clicking loudly. Speed decreases from 60 mph to 40 mph uncontrollably despite accelerator fully depressed. Event recurred three more times. Dealership reset computer; diagnostics came back clear.
When: Multiple occurrences over unspecified period; initial event at highway speed
Symptoms owners cite: Tire pressure light illuminates (no actual pressure issue); Traction control light blinks uncontrollably; Engine clicks loudly; Speed drops from 60 mph to 40 mph uncontrollably; RPM at approximately 4.5 when speed capped at 40 mph; Occurs repeatedly with no diagnostic error
Repairs/costs cited: Computer reset by dealership; diagnostics clear
Recalls/TSBs owners mention: Dealership reset computer but found no fault
Relay switch failure affecting start capability
Vehicle fails to start. Dealership diagnosed relay switch failure, which is not covered under warranty. After relay replacement ($260), vehicle still exhibits starting problems and has stranded owner multiple times.
When: Purchased March 2013; issue occurred after warranty period
Symptoms owners cite: Vehicle will not start; Shift lock button must be manually popped to start; Stranded multiple times; Problem persists after relay replacement
Repairs/costs cited: Relay switch replaced for $260 out-of-warranty
Recalls/TSBs owners mention: Dealership determined relay not covered under warranty
Poor fuel economy
Vehicle not achieving fuel economy promised at purchase. Dealership suggested using only Shell gasoline; owner complies but does not see improvement. Owner notes this is not an isolated complaint.
When: Ongoing since March 2013 purchase
Symptoms owners cite: Fuel economy below advertised/expected levels
Repairs/costs cited: Dealership recommended Shell gasoline exclusively
Recalls/TSBs owners mention: Dealership suggested Shell gasoline only (not a repair)
Synthesized from 22 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
After getting on the on-ramp on the highway I shifted my manual transmission from 4th to 5th gear to accelerate to 50 MPH but the gear didn't shift to 5th and the engine was inadvertently revved up to 4 on the tachometer without any increase in speed; it felt as if I stepped down on the gas pedal while in neutral. I drove the next 25 miles home in 4th gear at 45 to 50 MPH.
Had powertrain trouble with your 2011 Hyundai Elantra?
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 powertrain problem on the 2011 Hyundai Elantra?
It's a meaningful issue. 22 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain typically fail?
Across the 18 complaints that reported odometer mileage, most powertrain failures cluster between 40,000 and 100,200 miles, with the median around 70,000. A quarter of owners report trouble before 40,000; a quarter make it past 100,200. 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 $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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/2011/Hyundai/Elantra.
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.