2008 Hummer H3 engine problems
The 2008 Hummer H3 has 22 engine complaints filed with NHTSA — 14% of the year's total, and down from the prior model year.
22
Engine complaints
14%
Share of year
0
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“THE ENGINE COMPLETELY SHUT OFF WHILE DRIVING ON A MAJOR HIGHWAY. THE STEERING WHEEL LOCKED UP AND THE CAR CAME TO A STOP. LUCKILY, EACH TIME THIS OCCURRED, I WAS ABLE TO PULL OVER TO THE SHOULDER. THERE WERE NO ERROR LIGHTS THAT CAME UP ON BOTH OCCASIONS OF THIS HAPPENING. THE BATTERY CONTINUE TO…”
Common questions
How many engine complaints does the 2008 Hummer H3 have?
NHTSA has 22 complaints about the 2008 Hummer H3 engine — 14% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.