Specifications Comparison: 2024 Chevrolet Silverado 3500 vs 2024 GMC Sierra 3500

Headroom

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
HD LT Crew Cab 159"	6.6L V8	RWD	43.03	40.12
HD LT Crew Cab 172"	6.6L V8	RWD	43.03	40.12
HD LT Double Cab 162"	6.6L V8	RWD	43.03	39.88
HD LT Reg Cab 142"	6.6L V8	RWD	43.11
HD LT Crew Cab 159"	6.6L V8	4WD	43.03	40.12
HD LT Crew Cab 172"	6.6L V8	4WD	43.03	40.12
HD LT Double Cab 162"	6.6L V8	4WD	43.03	39.88
HD LT Reg Cab 142"	6.6L V8	4WD	43.11
HD LTZ Crew Cab 159"	6.6L V8	RWD	43.03	40.12
HD LTZ Crew Cab 172"	6.6L V8	RWD	43.03	40.12
HD LTZ Crew Cab 159"	6.6L V8	4WD	43.03	40.12
HD LTZ Crew Cab 172"	6.6L V8	4WD	43.03	40.12
HD Work Crew Cab 159"	6.6L V8	RWD	43.03	40.12
HD Work Crew Cab 172"	6.6L V8	RWD	43.03	40.12
HD Work Double Cab 162"	6.6L V8	RWD	43.03	39.88
HD Work Reg Cab 142"	6.6L V8	RWD	43.11
HD Work Crew Cab 159"	6.6L V8	4WD	43.03	40.12
HD Work Crew Cab 172"	6.6L V8	4WD	43.03	40.12
HD Work Double Cab 162"	6.6L V8	4WD	43.03	39.88
HD Work Reg Cab 142"	6.6L V8	4WD	43.11
HD High Country Crew Cab 159"	6.6L V8	4WD	43.03	40.12
HD High Country Crew Cab 172"	6.6L V8	4WD	43.03	40.12

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
HD Pro Crew Cab 159"	6.6L V8	RWD	43.03	40.12
HD Pro Crew Cab 172"	6.6L V8	RWD	43.03	40.12
HD Pro Double Cab 162"	6.6L V8	RWD	43.03	39.88
HD Pro Reg Cab 142"	6.6L V8	RWD	43.11
HD Pro Crew Cab 159"	6.6L V8	4WD	43.03	40.12
HD Pro Crew Cab 172"	6.6L V8	4WD	43.03	40.12
HD Pro Double Cab 162"	6.6L V8	4WD	43.03	39.88
HD Pro Reg Cab 142"	6.6L V8	4WD	43.11
HD SLE Crew Cab 159"	6.6L V8	RWD	43.03	40.12
HD SLE Crew Cab 172"	6.6L V8	RWD	43.03	40.12
HD SLE Double Cab 162"	6.6L V8	RWD	43.03	39.88
HD SLE Reg Cab 142"	6.6L V8	RWD	43.11
HD SLE Crew Cab 159"	6.6L V8	4WD	43.03	40.12
HD SLE Crew Cab 172"	6.6L V8	4WD	43.03	40.12
HD SLE Double Cab 162"	6.6L V8	4WD	43.03	39.88
HD SLE Reg Cab 142"	6.6L V8	4WD	43.11
HD SLT Crew Cab 159"	6.6L V8	RWD	43.03	40.12
HD SLT Crew Cab 172"	6.6L V8	RWD	43.03	40.12
HD SLT Crew Cab 159"	6.6L V8	4WD	43.03	40.12
HD SLT Crew Cab 172"	6.6L V8	4WD	43.03	40.12
HD AT4 Crew Cab 159"	6.6L V8	4WD	43.03	40.12
HD AT4 Crew Cab 172"	6.6L V8	4WD	43.03	40.12
HD Denali Crew Cab 159"	6.6L V8	4WD	43.03	40.12
HD Denali Crew Cab 172"	6.6L V8	4WD	43.03	40.12
HD Denali Ultimate Crew Cab 159"	6.6L V8	4WD	43.03	40.12
HD Denali Ultimate Crew Cab 172"	6.6L V8	4WD	43.03	40.12

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
HD LT Crew Cab 159"	6.6L V8	RWD	109	102
HD LT Crew Cab 172"	6.6L V8	RWD	109	102
HD LT Double Cab 162"	6.6L V8	RWD	109	101
HD LT Reg Cab 142"	6.6L V8	RWD	109
HD LT Crew Cab 159"	6.6L V8	4WD	109	102
HD LT Crew Cab 172"	6.6L V8	4WD	109	102
HD LT Double Cab 162"	6.6L V8	4WD	109	101
HD LT Reg Cab 142"	6.6L V8	4WD	109
HD LTZ Crew Cab 159"	6.6L V8	RWD	109	102
HD LTZ Crew Cab 172"	6.6L V8	RWD	109	102
HD LTZ Crew Cab 159"	6.6L V8	4WD	109	102
HD LTZ Crew Cab 172"	6.6L V8	4WD	109	102
HD Work Crew Cab 159"	6.6L V8	RWD	109	102
HD Work Crew Cab 172"	6.6L V8	RWD	109	102
HD Work Double Cab 162"	6.6L V8	RWD	109	101
HD Work Reg Cab 142"	6.6L V8	RWD	109
HD Work Crew Cab 159"	6.6L V8	4WD	109	102
HD Work Crew Cab 172"	6.6L V8	4WD	109	102
HD Work Double Cab 162"	6.6L V8	4WD	109	101
HD Work Reg Cab 142"	6.6L V8	4WD	109
HD High Country Crew Cab 159"	6.6L V8	4WD	109	102
HD High Country Crew Cab 172"	6.6L V8	4WD	109	102

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
HD Pro Crew Cab 159"	6.6L V8	RWD	109	102
HD Pro Crew Cab 172"	6.6L V8	RWD	109	102
HD Pro Double Cab 162"	6.6L V8	RWD	109	101
HD Pro Reg Cab 142"	6.6L V8	RWD	109
HD Pro Crew Cab 159"	6.6L V8	4WD	109	102
HD Pro Crew Cab 172"	6.6L V8	4WD	109	102
HD Pro Double Cab 162"	6.6L V8	4WD	109	101
HD Pro Reg Cab 142"	6.6L V8	4WD	109
HD SLE Crew Cab 159"	6.6L V8	RWD	109	102
HD SLE Crew Cab 172"	6.6L V8	RWD	109	102
HD SLE Double Cab 162"	6.6L V8	RWD	109	101
HD SLE Reg Cab 142"	6.6L V8	RWD	109
HD SLE Crew Cab 159"	6.6L V8	4WD	109	102
HD SLE Crew Cab 172"	6.6L V8	4WD	109	102
HD SLE Double Cab 162"	6.6L V8	4WD	109	101
HD SLE Reg Cab 142"	6.6L V8	4WD	109
HD SLT Crew Cab 159"	6.6L V8	RWD	109	102
HD SLT Crew Cab 172"	6.6L V8	RWD	109	102
HD SLT Crew Cab 159"	6.6L V8	4WD	109	102
HD SLT Crew Cab 172"	6.6L V8	4WD	109	102
HD AT4 Crew Cab 159"	6.6L V8	4WD	109	102
HD AT4 Crew Cab 172"	6.6L V8	4WD	109	102
HD Denali Crew Cab 159"	6.6L V8	4WD	109	102
HD Denali Crew Cab 172"	6.6L V8	4WD	109	102
HD Denali Ultimate Crew Cab 159"	6.6L V8	4WD	109	102
HD Denali Ultimate Crew Cab 172"	6.6L V8	4WD	109	102