DURAMAX 6.6L TURBO-DIESEL V8 ENGINE
The Sierra Heavy Duty truck’s available Duramax 6.6L Turbo-Diesel V8 engine features an efficient turbocharger and 10-speed automatic transmission.
ADVANCED TRAILERING TECH
The 2026 Sierra Heavy Duty truck offers available advanced trailering-assistance technologies so you can trailer with added confidence.
LUXURIOUS MATERIALS
Sierra HD Denali Ultimate’s Alpine Umber interior features full-grain leather seating, plaited contrast stitching, and embossed and laser-etched topographical map patterns of its namesake’s mountain summit.
SPACIOUS CABIN
The Sierra Heavy Duty truck features spacious front head and legroom.
12.3" DIAGONAL COLOUR DRIVER INFORMATION CENTRE
GMC Sierra HD features a driver-focused display that puts information front, centre and easily visible in high-resolution clarity.
EXPLORE
COLOUR OPTIONS
Summit White
EXPLORE GALLERY
Select an image or open the entire gallery
TRIM SELECTOR
Pro
Starting at $74,443
Finance
$247*
5.49%
+tax/Weekly84 months
with $0 cash down
Lease
$562*
6.9%
+tax/Bi-Weekly48 months
with $0 cash down
SLE
Starting at $83,742
Finance
$278*
5.49%
+tax/Weekly84 months
with $0 cash down
Lease
$597*
6.9%
+tax/Bi-Weekly48 months
with $0 cash down
SLT
Starting at $93,243
Finance
$309*
5.49%
+tax/Weekly84 months
with $0 cash down
Lease
$657*
6.9%
+tax/Bi-Weekly48 months
with $0 cash down
AT4
Starting at $101,943
Finance
$338*
5.49%
+tax/Weekly84 months
with $0 cash down
Lease
$735*
6.9%
+tax/Bi-Weekly48 months
with $0 cash down
Denali
Starting at $105,943
Finance
$351*
5.49%
+tax/Weekly84 months
with $0 cash down
Lease
$738*
6.9%
+tax/Bi-Weekly48 months
with $0 cash down
AT4X
Starting at $118,143
Finance
$392*
5.49%
+tax/Weekly84 months
with $0 cash down
Lease
$862*
6.9%
+tax/Bi-Weekly48 months
with $0 cash down
Denali Ultimate
Starting at $131,043
Finance
$413*
3.99%
+tax/Weekly84 months
with $0 cash down
Lease
$934*
6.9%
+tax/Bi-Weekly48 months
with $0 cash down