MileageCurve What breaks, and at what mileage

Kia Sorento 2011–2015

2nd generation (XM) · XM (unibody) · 6,911 complaints, 4,302 with mileage

Owners filed 6,911 complaints with NHTSA about the 2011–2015 Kia Sorento, and 4,302 of them record the mileage at which the failure happened. That is enough to show not just what fails, but when.

Failures are spread across the mileage range, with the middle half between 41,569 and 114,000 miles. The median is 80,000 miles.

The most-reported areas are the engine (28.7% of complaints, typically around 95,716 miles), the electrical system (10.1% of complaints, typically around 75,000 miles), body structure (9.5% of complaints, typically around 80,000 miles).

13 recall campaigns cover this generation.

When failures happen

0–5k: 310 complaints (7.2%)0–5k5–10k: 108 complaints (2.5%)10–20k: 216 complaints (5.0%)10–20k20–30k: 200 complaints (4.6%)30–40k: 186 complaints (4.3%)30–40k40–50k: 181 complaints (4.2%)50–60k: 216 complaints (5.0%)50–60k60–70k: 333 complaints (7.7%)70–80k: 363 complaints (8.4%)70–80k80–90k: 343 complaints (8.0%)90–100k: 321 complaints (7.5%)90–100k100–120k: 587 complaints (13.6%)120–140k: 429 complaints (10.0%)120–140k140–160k: 278 complaints (6.5%)160–200k: 158 complaints (3.7%)160–200k200k+: 73 complaints (1.7%)5870

10% of failures occur by 10,100 miles · a quarter by 41,569 · median 80,000 · three quarters by 114,000 · 90% by 144,000. Based on 4,302 complaints that record mileage.

What fails, and when

SystemComplaintsShareTypical mileageMiddle half
Engine1,98428.7%95,71662,000–122,000
Electrical System69910.1%75,00033,500–112,000
Structure6579.5%80,00060,000–101,217
Unknown Or Other6429.3%85,75060,000–115,000
Power Train5027.3%48,50017,000–98,000
Exterior Lighting4105.9%85,00065,000–120,000
Air Bags4015.8%90,00070,000–115,430
Service Brakes, Hydraulic2363.4%100,00045,000–142,739
Service Brakes2043.0%63,00033,309–108,000
Vehicle Speed Control1702.5%28,10511,000–68,822

By model year

YearComplaintsWith mileage
20112,0761,498
20121,206811
20131,296867
20141,373695
2015960431

Which systems, and when

Complaints about this generation are not spread evenly across the vehicle, and the systems that generate the most of them do not all fail at the same point in a car's life. The median failure across all systems here is 80,000 miles; the figures below show which parts of the car run ahead of that and which run behind.

The engine accounts for 28.7% of complaints (1,984 reports, 1,289 of them with a mileage figure), with a median of 95,716 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 62,000 and 122,000 miles.

A single system taking 28.7% of all complaints is a concentration worth noting. It means that for this generation, most of what owners reported came back to one area of the car rather than being distributed across many small faults.

The electrical system accounts for 10.1% of complaints (699 reports, 446 of them with a mileage figure), with a median of 75,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 33,500 and 112,000 miles.

Body structure accounts for 9.5% of complaints (657 reports, 329 of them with a mileage figure), with a median of 80,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 60,000 and 101,217 miles.

Problems owners could not categorise accounts for 9.3% of complaints (642 reports, 278 of them with a mileage figure), with a median of 85,750 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 60,000 and 115,000 miles.

The transmission and driveline accounts for 7.3% of complaints (502 reports, 391 of them with a mileage figure), and it fails early — a median of 48,500 miles, well before the vehicle's overall median. Failures clustered this far below the rest of the car usually point to a design or manufacturing problem rather than wear, because wear does not selectively target one system on low-mileage examples. The middle half of these reports falls between 17,000 and 98,000 miles.

The exterior lighting accounts for 5.9% of complaints (410 reports, 241 of them with a mileage figure), with a median of 85,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 65,000 and 120,000 miles.

Differences between model years

Within this generation, complaint volume is not constant across model years. The 2011 model year drew the most — 2,076 complaints — while 2015 drew the fewest at 960. The median year sits at 1,296.

The first year of the generation, 2011, sits above the median. That is a common pattern — early production of a redesigned vehicle tends to surface problems that later years do not repeat — and it is worth weighing when choosing between years.

Recalls and what they cover

NHTSA records 13 recall campaigns covering vehicles in this generation. A recall means the manufacturer or the regulator concluded there was a safety defect or a standard was not met, and that a free remedy is owed to owners — including second and later owners.

The campaigns cluster around the hydraulic brake circuit (4), the engine (3), the transmission and driveline (3). Repeated recalls against the same area of the car generally mean the first remedy did not fully resolve the underlying problem.

Recall status is specific to the individual vehicle, not the model. Checking a VIN against NHTSA's lookup is free and takes under a minute, and it is the only way to know whether a particular car has had the work done.

Reported severity

Of the 6,911 complaints filed against this generation, 201 reported a crash; 388 reported a fire; 255 reported an injury; 1 reported a fatality. Crash-involved reports represent 2.9% of the total.

These are owner-reported outcomes, not verified investigations, and they are not adjusted for how many of these vehicles are on the road. They are included because the distinction between a fault that strands a car and a fault that causes a collision is the one that matters most, and it is not visible in a complaint count alone.

What this means if you are buying one

For a buyer, failures on this generation are spread rather than concentrated: the middle half falls between 41,569 and 114,000 miles, with a median of 80,000. There is no single mileage threshold to watch, which means condition and maintenance records are more informative than the odometer.

On inspection, the engine and the electrical system are where this generation's reports concentrate, so those are the areas worth a specific look. The electrical system in particular shows a median failure mileage of 75,000, which gives a concrete number to compare against the odometer of any car you are considering.

None of this is a substitute for a pre-purchase inspection on the individual car. Aggregate patterns describe a population; the example in front of you has its own history.

Documented problems

Engine 2011-2015

Theta II GDI connecting rod bearing failure from crankshaft machining debris restricting oil flow to the rod bearings; presents as knocking, power loss, then seizure or stall, occasionally with a punctured block and oil fire. Recall 17V-224 covered Theta II GDI Sorentos in this generation, and the later Knock Sensor Detection System software campaign added early-warning limp mode.

Steering 2011-2013

Electric power steering assist loss and column coupler complaints.

Recalls (13)

CampaignDateComponent
23V6520002024-03-29Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Control Unit/Module
23V8770002024-02-09Engine
21V3310002021-07-02Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Control Unit/Module
20V7500002021-01-25Engine
20V5190002020-10-20Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Control Unit/Module
18V9070002019-01-17Engine
17V2240002017-06-20Engine And Engine Cooling:Engine
15V6260002015-11-09Power Train:Automatic Transmission
13V3560002013-09-09Power Train:Axle Assembly:Axle Shaft
13V1140002013-04-19Exterior Lighting:Brake Lights:Switch
11V2580002011-05-31Power Train:Driveline:Driveshaft
10V5990002010-12-10Service Brakes, Hydraulic:Foundation Components:Disc:Caliper
10V3880002010-09-13Electrical System:Wiring

What owners reported

2011 · 1 miles · Service Brakes
MY KIA WAS BEING DETAILS, THE PERSON DETAILING THE VEHICLE GOT INTO THE VEHICLE. HE PUSHED THE START BUTTON DIDN'T START THE VEHICLE. HE STARTED IT BY INSERTING THE FOB IN THE CONSOLE. THE VEHICLE STARTED AT HIGH RPMS, DRIVER HAD HIS FOOT ON THE BRAKE, PLACED THE CAR INTO REVERSE AND THE CAR EXITED THE GARAGE AT A HIGH RATE OF SPEED, DRIVER APPLIED BOTH FEET ON THE BRAKES THE BRAKES DID NOT WOR…
2011 · 1 miles · Engine
MY KIA WAS BEING DETAILS, THE PERSON DETAILING THE VEHICLE GOT INTO THE VEHICLE. HE PUSHED THE START BUTTON DIDN'T START THE VEHICLE. HE STARTED IT BY INSERTING THE FOB IN THE CONSOLE. THE VEHICLE STARTED AT HIGH RPMS, DRIVER HAD HIS FOOT ON THE BRAKE, PLACED THE CAR INTO REVERSE AND THE CAR EXITED THE GARAGE AT A HIGH RATE OF SPEED, DRIVER APPLIED BOTH FEET ON THE BRAKES THE BRAKES DID NOT WOR…
2011 · 1 miles · Vehicle Speed Control
MY KIA WAS BEING DETAILS, THE PERSON DETAILING THE VEHICLE GOT INTO THE VEHICLE. HE PUSHED THE START BUTTON DIDN'T START THE VEHICLE. HE STARTED IT BY INSERTING THE FOB IN THE CONSOLE. THE VEHICLE STARTED AT HIGH RPMS, DRIVER HAD HIS FOOT ON THE BRAKE, PLACED THE CAR INTO REVERSE AND THE CAR EXITED THE GARAGE AT A HIGH RATE OF SPEED, DRIVER APPLIED BOTH FEET ON THE BRAKES THE BRAKES DID NOT WOR…
2011 · 4 miles · Vehicle Speed Control
THE TRANSMISSION OR ENGINE TENDS TO STALL IN THE MIDDLE OF DRIVING LIKE NOT CHANGING GEARS, GETS LOCKED, JERKS BACK AND FORTH TILL IT UNLOCKS OR CHANGES GEARS WHILE AT THE SAME TIME SLOWING OR STOPPING CAR IN IT'S TRACKS. RPM GO TO 0. FEEL LIKE A TRANSMISSION SLIPPAGE . SOUNDS LIKE TRYING TO CHANGE GEARS. IT HAPPENS AT LEAST 2-4 TIME A YEAR SINCE I HAVE HAD THE CAR. THESE PAST TWO YEARS THE GEARS…

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