Most common 1999 GMC Z-71 problems
Share of the 11 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
GMC Z-71 complaints by model year
What 1999 GMC Z-71 owners say
Brakes
While braking the antilock brakes failed and caused extended stopping distances. The consumer pulled the vehicle over and removed the anti lock brake fuse in order for the anti lock brakes to work properly. The dealership was notified but the problem was not resolved.
Consumer noticed that when applying emergency brakes pedal goes all the way to the floor, it is soft. Dealership is aware of problem. The dealer tried to fix the failing emergency brake but was unable to solve the problem. The manufacturing defect was the cause.
Frequently asked questions
Is the 1999 GMC Z-71 a good car?
There isn't enough complaint history for the Z-71 to compare model years reliably. So far owners have filed 11 complaints with NHTSA.
What is the most common problem with the 1999 GMC Z-71?
The brakes — 7 complaints, 64% of all complaints for this model year, most often about antilock/traction control/electronic limited slip. Next are the windows, wipers & sunroof (2) and body & structure (1).
How many recalls does the 1999 GMC Z-71 have?
NHTSA lists no recalls for the 1999 GMC Z-71. You can still confirm with your VIN using our VIN recall check.
At what mileage do 1999 GMC Z-71 problems happen?
The median mileage reported in complaints is about 64,000 miles; 20% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.