"How reliable is the 2011 Chevrolet Avalanche?"

"Based on 161 NHTSA complaints, the 2011 Chevrolet Avalanche has a median complaint mileage of 62500 miles. The most common issue is AIR BAGS."

"What are common problems with the 2011 Chevrolet Avalanche?"

"The most frequently reported component in NHTSA complaints for the 2011 Chevrolet Avalanche is AIR BAGS, accounting for a significant portion of the 161 total complaints filed."

2011 Chevrolet Avalanche: Reliability Data

Source: NHTSA — 161 complaints

161

Total Complaints

62,500mi

Median Mileage

AIR BAGS

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

41,280 25th Percentile

62,500 Median Mileage

85,750 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS

UNKNOWN OR OTHER

STRUCTURE:BODY

POWER TRAIN

ENGINE

STRUCTURE

SERVICE BRAKES

ELECTRONIC STABILITY CONTROL (ESC)

VEHICLE SPEED CONTROL

SUSPENSION

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"WHEN I AM SLOWING DOWN TO A STOP THE TRANSMISSION WILL SUDDENLY MAKE THE VEHICLE SURGE FORWARD QUICKLY. IF I NOT JUST AS QUICK TO APPLY A FIRM BRAKE I RISK HITTING THE CAR OR PEDESTRIANS NEAR ME WHICH HAS HAPPEN ON SEVERAL OCCASION. ON ONE OCCASION, AS I WAS TURNING INTO A PARKING SPACE THE VEHICLE..."

"AT TIMES WHEN MY AVALANCHE IS SLOWING DOWN (CLOSE TO A STOP) THE TRUCK WILL LUNGE FORWARD. IT FEELS LIKE IT'S SOMETHING WITH THE TRANSMISSION (DOWNSHIFTING?). ALMOST LIKE A SURGE OF ENERGY UNEXPECTEDLY PUSHES THE TRUCK FORWARD. IT DOES CATCH ME OFF GUARD AT TIMES, BUT LUCKILY I HAVE NOT STRUCK AN..."

"I HAVE BEGAN TO NOTICE WHEN SLOWING DOWN (FOOT OFF THE GAS AND COASTING WITH FOOT ON BRAKE, OR BRAKE APPLIED) AT ANY AREA WHERE MY SPEED DECREASES TO LESS THAN 15 MPH THAT MY AVALANCHE WILL SEEM TO SORT OF LUNGE FORWARD. THE FIRST TIME I EXPERIENCED THIS I BELIEVED IT WAS RELATED TO ME AND IGNORED ..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28