The 2014 GMC Sierra 1500 full-size pickup engine portfolio includes a 4.3L V6, a 5.3L V8 and a 6.2L V8. Each engine features standard direct injection, continuously variable valve timing and Active...
Maximum towing capacity of 23,000 pounds.
Conventional-hitch trailering capacity of 18,000 pounds.
Maximum payload of 7,215 pounds.
GCWR rating of 30,500 pounds.