MileageCurve What breaks, and at what mileage

Buick Enclave 2008–2017

1st generation · GM Lambda · 2,923 complaints, 1,884 with mileage

Owners filed 2,923 complaints with NHTSA about the 2008–2017 Buick Enclave, and 1,884 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 48,000 and 102,488 miles. The median is 73,000 miles.

The most-reported areas are the airbag system (26.1% of complaints, typically around 78,000 miles), the steering (14.8% of complaints, typically around 69,000 miles), the transmission and driveline (10.6% of complaints, typically around 76,981 miles).

16 recall campaigns cover this generation.

When failures happen

0–5k: 97 complaints (5.1%)0–5k5–10k: 51 complaints (2.7%)10–20k: 71 complaints (3.8%)10–20k20–30k: 83 complaints (4.4%)30–40k: 97 complaints (5.1%)30–40k40–50k: 88 complaints (4.7%)50–60k: 162 complaints (8.6%)50–60k60–70k: 228 complaints (12.1%)70–80k: 189 complaints (10.0%)70–80k80–90k: 170 complaints (9.0%)90–100k: 132 complaints (7.0%)90–100k100–120k: 204 complaints (10.8%)120–140k: 129 complaints (6.8%)120–140k140–160k: 96 complaints (5.1%)160–200k: 72 complaints (3.8%)160–200k200k+: 15 complaints (0.8%)2280

10% of failures occur by 15,212 miles · a quarter by 48,000 · median 73,000 · three quarters by 102,488 · 90% by 138,462. Based on 1,884 complaints that record mileage.

What fails, and when

SystemComplaintsShareTypical mileageMiddle half
Air Bags76426.1%78,00042,000–110,000
Steering43414.8%69,00056,000–85,550
Power Train31010.6%76,98149,000–104,000
Engine29110.0%90,00067,914–119,852
Electrical System2267.7%68,00032,624–106,000
Structure1675.7%70,00040,085–101,067
Unknown Or Other1404.8%83,10960,000–120,000
Electronic Stability Control (Esc)762.6%74,32154,000–102,000
Vehicle Speed Control712.4%70,00036,000–114,354
Service Brakes511.7%66,99639,958–96,207

By model year

YearComplaintsWith mileage
2008779645
2009290261
2010358290
2011284221
2012174125
201310881
2014352111
201522077
201615536
201720337

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 73,000 miles; the figures below show which parts of the car run ahead of that and which run behind.

The airbag system accounts for 26.1% of complaints (764 reports, 199 of them with a mileage figure), with a median of 78,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 42,000 and 110,000 miles.

A single system taking 26.1% 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 steering accounts for 14.8% of complaints (434 reports, 377 of them with a mileage figure), with a median of 69,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 56,000 and 85,550 miles.

The transmission and driveline accounts for 10.6% of complaints (310 reports, 258 of them with a mileage figure), with a median of 76,981 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 49,000 and 104,000 miles.

The engine accounts for 10.0% of complaints (291 reports, 238 of them with a mileage figure), with a median of 90,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 67,914 and 119,852 miles.

The electrical system accounts for 7.7% of complaints (226 reports, 163 of them with a mileage figure), with a median of 68,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 32,624 and 106,000 miles.

Body structure accounts for 5.7% of complaints (167 reports, 127 of them with a mileage figure), with a median of 70,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 40,085 and 101,067 miles.

Differences between model years

Within this generation, complaint volume is not constant across model years. The 2008 model year drew the most — 779 complaints — while 2013 drew the fewest at 108. The median year sits at 252.

That makes 2008 an outlier: roughly 3.1 times the median year of this generation. A single year standing that far apart usually reflects either a first-year issue that was later corrected, or a component change introduced for that year. Anyone shopping this generation has a straightforward reason to prefer a different year, all else being equal.

Recalls and what they cover

NHTSA records 16 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 airbag system (5), the electrical system (3), visibility equipment (2). 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 2,923 complaints filed against this generation, 112 reported a crash; 29 reported a fire; 168 reported an injury. Crash-involved reports represent 3.8% 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 48,000 and 102,488 miles, with a median of 73,000. There is no single mileage threshold to watch, which means condition and maintenance records are more informative than the odometer.

On inspection, the airbag system and the steering are where this generation's reports concentrate, so those are the areas worth a specific look. The steering in particular shows a median failure mileage of 69,000, 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 — timing chain 2008-2012 (LY7/LLT); largely resolved on the 2013+ LFX

Premature timing chain stretch on the 3.6L LY7/LLT. Symptoms are a rattle on cold start, rough idle, power loss and cam/crank correlation codes P0008/P0016/P0017/P0018; a chain that jumps teeth can destroy the engine. GM attributed a large share of it to the original Oil Life Monitor calibration permitting excessively long oil change intervals, which degraded the oil feeding the hydraulic tensioners. Addressed via multiple TSBs, a revised chain design, updated OLM software, and Special Coverage program #11340 extending coverage to 10 years / 120,000 miles.

Transmission — 6T75 3-5-R wave plate 2008-2011 most heavily reported

Fracture of the 3-5-Reverse wave plate inside the 6-speed automatic. The vehicle abruptly loses 3rd gear, 5th gear and Reverse — it revs without moving or feels like it is slipping. Requires transmission teardown; the single most notorious driveline failure of this generation.

Fuel system — high pressure fuel pump (direct injection) 2009-2012

HPFP and direct-injection fueling faults on the LLT, often surfacing alongside the timing chain wear because both are driven off the camshafts.

Recalls (16)

CampaignDateComponent
23V3340002024-02-23Air Bags:Frontal:Driver Side:Inflator Module
22V2460002023-02-23Air Bags:Frontal:Driver Side:Inflator Module
21V7820002022-01-10Air Bags:Frontal:Driver Side:Inflator Module
21V2460002021-05-24Air Bags:Critical Fasteners
15V4150002016-11-15Structure:Body:Hatchback/Liftgate
15V8330002016-01-28Seats
15V6090002015-09-30Visibility:Windshield Wiper/Washer:Motor
15V0440002015-03-09Tires
14V6140002014-12-26Electrical System
14V2660002014-07-11Seat Belts
14V2230002014-06-27Electrical System:Software
14V1180002014-06-16Air Bags:Side/Window
14V0920002014-04-10Power Train:Automatic Transmission
12V1510002012-04-27Visibility:Windshield Wiper/Washer:Linkages
10V3750002010-08-18Seat Belts
10V2400002010-06-11Electrical System

What owners reported

2008 · 1 miles · Air Bags
PURCHASED A BRAND NEW 2008 BUICK ENCLAVE ON MAY 10, 2007. SUBSEQUENTLY, WE NOTED THAT THE "ON/OFF" FRONT PASSENGER AIR BAG LIGHT ON THE DASH WAS INCONSISTENT WHEN MY 5' 4", 115 LB. WIFE SET IN THE FRONT PASSENGER SEAT. MORE OFTEN THAN NOT THE LIGHT INDICATES THAT THE AIR BAG IS OFF, BUT OCCASIONALLY IT SHOWS THAT THE SYSTEM IS ON. WE FIRST TALKED WITH THE SALESMAN AND HE SAID THIS DIDN'T SOUND…
2008 · 1 miles · Air Bags
TL* THE CONTACT OWNS A 2008 BUICK ENCLAVE. WHILE PARKED WITH A PASSENGER SEATED IN THE PASSENGER SEAT, THE AIR BAG LIGHT WARNING LIGHT WAS ILLUMINATED. THE FAILURE RECURRED INTERMITTENTLY AND THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER ON NUMEROUS OCCASIONS. THE DEALER ADVISED THE CONTACT THAT THE PASSENGER WOULD NEED TO WEIGH AT LEAST 125 POUNDS IN ORDER TO ACTIVATE THE AIR BAG. THE VEHICLE WAS…
2008 · 5 miles · Fuel/Propulsion System
THIS SUV IS THE DEVIL IT SELF. IS GIVING ME ALL KIND OF PROBLEM RIGHT NOW IT HAVE A LIMP MODE AND I HAVE NO IDEA WHAT TO DO THE TRANSMISSION IS NOT WORKING IN ANY GEAR. THE SOFT CODES SAID P0171, P 0174, P 0420, P 0300 IS CRAZY. I HAVE CHANGE THE ALTERNADOR, THE PURGE VALVE, THE VALVE CANISTER ON TOP OF THE GAS TANK AND THE OTHER SENSOR THAT TELL YOU ABOUT THE FUMES OF THE TANK WENT FILLING. I A…
2008 · 5 miles · Power Train
THIS SUV IS THE DEVIL IT SELF. IS GIVING ME ALL KIND OF PROBLEM RIGHT NOW IT HAVE A LIMP MODE AND I HAVE NO IDEA WHAT TO DO THE TRANSMISSION IS NOT WORKING IN ANY GEAR. THE SOFT CODES SAID P0171, P 0174, P 0420, P 0300 IS CRAZY. I HAVE CHANGE THE ALTERNADOR, THE PURGE VALVE, THE VALVE CANISTER ON TOP OF THE GAS TANK AND THE OTHER SENSOR THAT TELL YOU ABOUT THE FUMES OF THE TANK WENT FILLING. I A…

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