"How reliable is the 2008 Chevrolet Avalanche?"

"Based on 323 NHTSA complaints, the 2008 Chevrolet Avalanche has a median complaint mileage of 72000 miles. The most common issue is AIR BAGS."

"What are common problems with the 2008 Chevrolet Avalanche?"

"The most frequently reported component in NHTSA complaints for the 2008 Chevrolet Avalanche is AIR BAGS, accounting for a significant portion of the 323 total complaints filed."

2008 Chevrolet Avalanche: Reliability Data

Source: NHTSA — 323 complaints

323

Total Complaints

72,000mi

Median Mileage

AIR BAGS

Top Issue

Crash Reports

When Do Complaints Happen?

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

52,500 25th Percentile

72,000 Median Mileage

105,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS

132

UNKNOWN OR OTHER

STRUCTURE:BODY

ELECTRICAL SYSTEM

ENGINE

LATCHES/LOCKS/LINKAGES

STRUCTURE

STEERING

ELECTRONIC STABILITY CONTROL (ESC)

SUSPENSION

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"TL*THE CONTACT OWNS A 2008 CHEVROLET AVALANCHE. WHEN EVER THE CONTACT MADE AN AGGRESSIVE LEFT OR RIGHT TURN AT A LOW SPEEDS HE NOTICED THAT THE VEHICLE NO LONGER HAD POWER STEERING. THE DEALER WAS UNABLE TO DIAGNOSE THE FAILURE. THE CURRENT AND FAILURE MILEAGES WERE 8100."

"2008 CHEVROLET AVALANCHE. WINDSHIELD WASHER AND WIPER OCCASIONALLY COMES ON AND WASHES THE WINDSHIELD 3 TIMES. THERE IS NO WAY TO STOP IT. THE WIPER IS COMPLETELY OFF DURING THE 3 WASH CYCLES. MAY GO A MONTH BETWEEN INCIDENTS. THE CONSUMER HAS NOT RECEIVED A RESPONSE REGARDING HIS COMPLAINT. UPDATE..."

"2ND COMPLAINT ON WINDSHIELD WASHER COMING ON FOR NO APPARENT REASON. I NOW HAVE THE VIN #. COMES ON AND WASHES WINDOW 3 TIMES AND IS IMPOSSIBLE TO SHUT OFF. *TR"

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.

AIR BAGS 132 complaints

25th: 60,000 mi Median: 80,000 mi 75th: 119,988 mi

UNKNOWN OR OTHER 53 complaints

25th: 60,000 mi Median: 78,000 mi 75th: 103,475 mi

STRUCTURE:BODY 31 complaints

25th: 55,000 mi Median: 69,000 mi 75th: 100,000 mi

ELECTRICAL SYSTEM 21 complaints

25th: 41,000 mi Median: 59,107 mi 75th: 113,775 mi

ENGINE 15 complaints

25th: 85,300 mi Median: 142,255 mi 75th: 156,693 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 30 TX: 28 FL: 24 TN: 17 LA: 15 OH: 15 MI: 15 IL: 14 NC: 12 MD: 12

Who Files Complaints?

1.5%

Original Owners

98.5%

Second+ Owners

Chevrolet Avalanche — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
2002	562	45,000	SERVICE BRAKES	52
2003	238	65,101	SERVICE BRAKES	11
2004	202	52,341	ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL	9
2005	85	77,000	ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL	3
2007	492	96,250	AIR BAGS	14
2009	96	75,000	AIR BAGS	4
2010	147	62,115	AIR BAGS	0
2011	161	62,500	AIR BAGS	3
2012	43	39,500	UNKNOWN OR OTHER	4
2013	105	57,000	UNKNOWN OR OTHER	2

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