Summary: The GMC Sierra model lineup features are revised.
WT, SL, SLE, SLT, Denali 2-door regular-cab; 4-door extended-cab and 4-door crew-cab pickup
4.3L V-6; 4.8L V-8; 5.3L V-8; 6.0L V-8/electric motors; 6.2L V-8
A5, A6, CVT
Fort Wayne, IN
What’s New for ’12
Hard-drive navigation radio with AM/FM/XM stereo, CD/DVD/MP3 player and USB port is available on Denali and SLT models.
Heated and cooled front seats, leather-wrapped heated steering wheel and rearview camera system are now standard on the Denali.
Cruise control is now standard on WT models.
Z85 handling/trailering suspension is now standard on SL Crew Cab models.
StabiliTrak stability control now includes electronic trailer-sway control and hill-start assist.