Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S.-14466059) - 2021 - CRC - 3/17/20
2
Warranty Coverage at a Glance
The warranty coverages are summarized
below.
New Vehicle Limited Warranty
Bumper-to-Bumper Coverage (Includes Tires)
.
Coverage for the first 3 years or
36,000 miles, whichever comes first.
Powertrain Coverage
.
Coverage for the first 5 years or
60,000 miles, whichever comes first.
Sheet Metal
.
Corrosion coverage is for the first 3 years
or 36,000 miles, whichever comes first.
.
Rust-through coverage is for the first
6 years or 100,000 miles, whichever
comes first.
Emission Control System Warranty
Federal Emission Warranty Coverage
.
For Passenger Car or Light Duty Truck
with a Gross Vehicle Weight Rating
(GVWR) of 8,500 lbs. or less
‐
2 years or 24,000 miles, whichever
comes first for Emissions related parts
‐
8 years or 80,000 miles, whichever
comes first for Emissions select
components; catalytic converters,
engine control module, transmission
control module and other diagnostic
emissions critical-electronic control
units.
.
For Heavy Duty Vehicles with a Gross
Vehicle Weight Rating (GVWR) greater
than 8,500 lbs.
‐
5 years or 50,000 miles, whichever
comes first for Emissions related parts
California Emission Warranty Coverage
Vehicles eligible for California Emissions
Warranty Coverage
For Passenger Car or Light Duty Truck with a
Gross Vehicle Weight Rating (GVWR) of
14,000 lbs. or less
.
3 years or 50,000 miles, whichever comes
first for Emissions related parts
‐
If your vehicle fails a smog check
inspection, GM will make all necessary
repairs and adjustments to ensure that
your vehicle passes the inspection. This
is your Emission Control System
Performance Warranty.
‐
If any emission related part listed in
the booklet is defective, GM will repair
or replace it. This is your Short-term
Emission Control Systems Defects
Warranty.
.
7 years or 70,000 miles whichever comes
first for Emissions related parts
‐
If any emission related part specially
noted in this booklet as having
coverage of 7 years or 70,000 miles is
defective or if its failure causes your
vehicle to fail a Smog Check inspection,
GM will repair or replace it. This is
your Long-term Emission Control
System Defects Warranty.
For Heavy duty Vehicles with a Gross
Vehicle Weight Rating (GVWR) greater than
14,000 lbs.
.
5 years or 50,000 miles (Gasoline
engines) or 5 years or 100,000 miles
(Diesel Engines) whichever comes first for
Emissions related parts