"How reliable is the 2018 Chevrolet Tahoe?"

"Based on 123 NHTSA complaints, the 2018 Chevrolet Tahoe has a median complaint mileage of 41500 miles. The most common issue is UNKNOWN OR OTHER."

"What are common problems with the 2018 Chevrolet Tahoe?"

"The most frequently reported component in NHTSA complaints for the 2018 Chevrolet Tahoe is UNKNOWN OR OTHER, accounting for a significant portion of the 123 total complaints filed."

2018 Chevrolet Tahoe: Reliability Data

Source: NHTSA — 123 complaints

123

Total Complaints

41,500mi

Median Mileage

UNKNOWN OR OTHER

Top Issue

Crash Reports

When Do Complaints Happen?

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

10,200 25th Percentile

41,500 Median Mileage

72,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

UNKNOWN OR OTHER

ENGINE

SERVICE BRAKES

POWER TRAIN

ELECTRICAL SYSTEM

STEERING

FUEL/PROPULSION SYSTEM

SERVICE BRAKES, HYDRAULIC

EXTERIOR LIGHTING

SUSPENSION

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"I PURCHASED A 2018 TAHOE 20 DAYS AGO AND AT 45 MPH AND 65-75 MPH I FEEL PRESSURE IN MY EARS WHICH THEN MAKES ME FEEL NAUSEOUS WHICH LEADS TO SEVERE HEADACHES. THIS BUFFERING OCCURS EVERY TIME I DRIVE IT. I HAVE TRIED DRIVING WITH THE WINDOWS DOWN / UP, RADIO ON / OFF. NOTHING CHANGES TO LESSEN THE ..."

"COLLISION ALERT SYSTEM DOES NOT FUNCTION WITH ENOUGH WARNING DISTANCE ON THE SEAT VIBRATION AND RED FLASH PROJECTION ON THE WINDSHIELD. THE DRIVER ESSENTIALLY MUST NEAR COLLIDE WITH AN OBJECT OR VEHICLE FOR THIS FEATURE TO WORK. THE YELLOW CAUTION INDICATOR IN THE DASH DISPLAY WILL LIGHT-UP BUT..."

"I OWN A 2018 CHEVROLET TAHOE PREMIERE WITH THE RST 6.2L PERFORMANCE PACKAGE. THIS VEHICLE HAS THE OPTIONAL PERFORMANCE FRONT BRAKE UPGRADE SYSTEM. I RECEIVED THE FOLLOWING RECALL: GM PROGRAM # N182155600, CUSTOMER SATISFACTION PROGRAM #18119 - SPARE TIRE DOES NOT FIT OVER PERFORMANCE FRONT BRA..."

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