1999 GMC Suburban engine problems
The 1999 GMC Suburban has 28 engine complaints filed with NHTSA — 7% of the year's total, and up sharply from the prior model year.
28
Engine complaints
7%
Share of year
0
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“You'll be driving down the road the brakes will be working just fine then they'll just all sudden go out and then it backfires and blows it blows up a big cloud of fire out of the motor and that's the GMC 1999 Suburban four-wheel drive 7.4 l”
Common questions
How many engine complaints does the 1999 GMC Suburban have?
NHTSA has 28 complaints about the 1999 GMC Suburban engine — 7% 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.