Well there have been rumors swirling like crazy. What I've heard (all unconfirmed):
New hoodscoop (confirmed):
Motor is a 2017 LP5 Duramax.
Rumored to produce:
~450 -Horsepower
~950 lb-ft of Torque
Model / Max Trailer Weight / GCWR (Gross Combined Weight Rating)
2017 Chevrolet Silverado 2500HD
2WD C-2500 - Double Cab - Standard Box / 16,600 lb / 25,100lb
2WD C-2500 - Crew Cab - Standard Box / 15,400 lb / 25,100lb
2WD C-2500 - Regular Cab - Long Box / 17,900 lb / 25,100lb
2WD C-2500 - Double Cab - Long Box / 15,800 lb / 25,100lb
2WD C-2500 - Crew Cab - Long Box / 14,800 lb / 25,100lb
4WD K-2500 - Double Cab - Standard Box / 14,600 lb / 25,100lb
4WD K-2500 - Crew Cab - Standard Box / 13,500 lb / 25,100lb
4WD K-2500 - Double Cab - Long Box / 13,900 lb / 25,100lb
4WD K-2500 - Crew Cab - Long Box / 12,400 lb / 25,100lb
2017 Chevrolet Silverado 3500HD
2WD C-3500 Single RW - Double Cab - Long Box / 17,300lb / 25,100lb
2WD C-3500 Dual RW - Double Cab - Long Box / 23,000lb / 31,300lb
2WD C-3500 Single RW - Crew Cab - Long Box / 17,200lb / 25,100lb
2WD C-3500 Dual RW -Crew Cab - Long Box / 22,900lb / 31,300lb
4WD K-3500 Single RW - Regular Cab - Long Box / 17,500lb / 25,100lb
4WD K-3500 Dual RW -Regular Cab - Long Box / 23,100lb / 31,300lb
4WD K-3500 Single RW - Double Cab - Long Box / 17,100lb / 25,100lb
4WD K-3500 Dual RW -Double Cab - Long Box / 23,100lb / 31,300lb
4WD K-3500 Single RW - Crew Cab - Standard Box / 17,000lb / 25,100lb
4WD K-3500 Single RW - Crew Cab - Long Box / 16,900lb / 25,100lb
4WD K-3500 Dual RW -Crew Cab - Long Box / 22,500lb / 31,300lb
New hoodscoop (confirmed):
Motor is a 2017 LP5 Duramax.
Rumored to produce:
~450 -Horsepower
~950 lb-ft of Torque