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 leg room.
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
Summit White
EXPLORE GALLERY
Select an image or open the entire gallery
TRIM SELECTOR
Pro
Available from: $74,443
Finance from as low as
$243*
+tax/Weekly
with $0 cash down
4.99%
84 months
Lease from as low as
$582*
+tax/Bi-Weekly
with $0 cash down
8.5%
48 months
SLE
Available from: $83,742
Finance from as low as
$273*
+tax/Weekly
with $0 cash down
4.99%
84 months
Lease from as low as
$621*
+tax/Bi-Weekly
with $0 cash down
8.5%
48 months
SLT
Available from: $93,243
Finance from as low as
$304*
+tax/Weekly
with $0 cash down
4.99%
84 months
Lease from as low as
$684*
+tax/Bi-Weekly
with $0 cash down
8.5%
48 months
AT4
Available from: $101,943
Finance from as low as
$332*
+tax/Weekly
with $0 cash down
4.99%
84 months
Lease from as low as
$764*
+tax/Bi-Weekly
with $0 cash down
8.5%
48 months
Denali
Available from: $105,943
Finance from as low as
$345*
+tax/Weekly
with $0 cash down
4.99%
84 months
Lease from as low as
$769*
+tax/Bi-Weekly
with $0 cash down
8.5%
48 months
AT4X
Available from: $118,143
Finance from as low as
$385*
+tax/Weekly
with $0 cash down
4.99%
84 months
Lease from as low as
$895*
+tax/Bi-Weekly
with $0 cash down
8.5%
48 months
Denali Ultimate
Available from: $131,043
Finance from as low as
$413*
+tax/Weekly
with $0 cash down
3.99%
84 months
Lease from as low as
$951*
+tax/Bi-Weekly
with $0 cash down
8.5%
48 months
