2009 · OEM published maximum
GMC Sierra 1500
5.3L V8 FlexFuel (Vortec LC9) · Not specified · Crew Cab · Not specified in chart
Equipment: Sierra XFE
Brochure Sierra XFE panel lists "Max. Trailering* 7000 lbs" and "GCWR 12,200 lbs"; XFE is based on the 1500 SLE Crew Cab and uses the aluminum-block Vortec 5.3L V-8 FlexFuel (LC9) per the same page. Drivetrain and hitch not named.
Page 6, Sierra XFE exclusive features and engine specifications, 'Max. Trailering*'
- Conventional
- 7,000lb
- GCWR
- 12,200 lb