"How reliable is the 2021 Chevrolet Tahoe?"

"Based on 551 NHTSA complaints, the 2021 Chevrolet Tahoe has a median complaint mileage of 37000 miles. The most common issue is Engine."

"What are common problems with the 2021 Chevrolet Tahoe?"

"The most frequently reported component in NHTSA complaints for the 2021 Chevrolet Tahoe is Engine, accounting for a significant portion of the 551 total complaints filed."

2021 Chevrolet Tahoe: Reliability Data

Source: NHTSA — 551 complaints

551

Total Complaints

37,000mi

Median Mileage

Engine

Top Issue

Crash Reports

When Do Complaints Happen?

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

8,383 25th Percentile

37,000 Median Mileage

65,643 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Engine

134

Fuel/Propulsion System

Power Train

Electrical System

Unknown Or Other

Fuel System, Gasoline

Air Bags

Service Brakes

Engine And Engine Cooling

Seat Belts

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"THE SERVICE SAFETY RESTRAIN SYSTEM WARNING KEEPS COMING ON ALONG WITH THE AIRBAG READINESS WARNING. WE HAVE TAKEN IT INTO THE DEALERSHIP TWICE IN THE FIRST MONTH OF OWNING THIS VEHICLE AND WE WERE TOLD THERE IS NO CURRENT FIX. HOWEVER THE MANUAL STATES TO HAVE THE VEHICLE SERVICED IMMEDIATELY TO AVO..."

"BRAND NEW VEHICLE BOUGHT TWO WEEKS AGO. I AM GETTING A SERVICE SAFETY RESTRAINT SYSTEM MESSAGE INTERMITTENTLY."

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

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Engine 134 complaints

25th: 12,150 mi Median: 39,000 mi 75th: 68,078 mi

Power Train 70 complaints

25th: 23,902 mi Median: 55,532 mi 75th: 73,835 mi

Electrical System 52 complaints

25th: 2,218 mi Median: 21,950 mi 75th: 50,526 mi

Unknown Or Other 36 complaints

Median: 1,275 mi

Where Are Complaints Coming From?

Top states by complaint count.

FL: 93 TX: 79 CA: 34 GA: 27 NC: 21 PA: 20 VA: 19 WA: 19 SC: 18 OH: 17

Chevrolet Tahoe — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1994	20	-	Antilock/Traction Control/Electronic Limited Slip	2
1995	296	120,000	Seats	31
1996	390	110,000	Antilock/Traction Control/Electronic Limited Slip	31
1997	515	89,950	Antilock/Traction Control/Electronic Limited Slip	29
1998	315	84,614	Antilock/Traction Control/Electronic Limited Slip	24
1999	677	93,537	Antilock/Traction Control/Electronic Limited Slip	53
2000	341	79,300	Antilock/Traction Control/Electronic Limited Slip	28
2001	607	67,250	Parking Brake	52
2002	541	83,500	Service Brakes	53
2003	628	72,518	Instrument Cluster/Panel	26
2004	548	71,127	Instrument Cluster/Panel	30
2005	379	85,000	Electrical System	15
2006	144	85,000	Electrical System	6
2007	1532	79,000	Air Bags	32
2008	683	75,000	Air Bags	11
2009	386	79,300	Air Bags	5
2010	405	75,000	Unknown Or Other	3
2011	571	66,000	Unknown Or Other	8
2012	252	70,000	Unknown Or Other	15
2013	308	61,000	Unknown Or Other	6
2014	118	55,000	Unknown Or Other	5
2015	880	60,000	Service Brakes	43
2016	345	45,000	Service Brakes	25
2017	217	50,000	Power Train	3
2018	123	41,500	Unknown Or Other	5
2019	155	28,000	Power Train	11
2020	55	16,000	Electrical System	5
2022	216	44,400	Engine	3
2023	250	30,000	Engine	8
2024	82	9,000	Engine	1
2025	39	-	Engine	0

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