Specifications Comparison: 2021 Chevrolet Silverado 3500 vs 2023 Chevrolet Silverado 3500

Headroom

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
HD Crew Cab High Country	6.6L V8	4WD	43	40
HD Crew Cab High Country	6.6L V8	4WD	43	40
HD Crew Cab LT	6.6L V8	RWD	43	40
HD Crew Cab LT	6.6L V8	RWD	43	40
HD Crew Cab LT	6.6L V8	4WD	43	40
HD Crew Cab LT	6.6L V8	4WD	43	40
HD Crew Cab LTZ	6.6L V8	RWD	43	40
HD Crew Cab LTZ	6.6L V8	RWD	43	40
HD Crew Cab LTZ	6.6L V8	4WD	43	40
HD Crew Cab LTZ	6.6L V8	4WD	43	40
HD Crew Cab Work	6.6L V8	RWD	43	40
HD Crew Cab Work	6.6L V8	RWD	43	40
HD Crew Cab Work	6.6L V8	4WD	43	40
HD Crew Cab Work	6.6L V8	4WD	43	40
HD Extended Cab LT	6.6L V8	RWD	43	39
HD Extended Cab LT	6.6L V8	RWD	43	39
HD Extended Cab LT	6.6L V8	4WD	43	39
HD Extended Cab LT	6.6L V8	4WD	43	39
HD Extended Cab Work	6.6L V8	RWD	43	39
HD Extended Cab Work	6.6L V8	RWD	43	39
HD Extended Cab Work	6.6L V8	4WD	43	39
HD Extended Cab Work	6.6L V8	4WD	43	39
HD Regular Cab LT	6.6L V8	RWD	43
HD Regular Cab LT	6.6L V8	RWD	43
HD Regular Cab LT	6.6L V8	4WD	43
HD Regular Cab LT	6.6L V8	4WD	43
HD Regular Cab Work	6.6L V8	RWD	43
HD Regular Cab Work	6.6L V8	RWD	43
HD Regular Cab Work	6.6L V8	4WD	43
HD Regular Cab Work	6.6L V8	4WD	43

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
HD LT Crew Cab 159"	6.6L V8	RWD	43	40
HD LT Crew Cab 172"	6.6L V8	RWD	43	40
HD LT Crew Cab 159"	6.6L V8	4WD	43	40
HD LT Crew Cab 172"	6.6L V8	4WD	43	40
HD LT Double Cab 162"	6.6L V8	4WD	43	39
HD LT Reg Cab 142"	6.6L V8	4WD	43
HD LTZ Crew Cab 159"	6.6L V8	RWD	43	40
HD LTZ Crew Cab 172"	6.6L V8	RWD	43	40
HD LTZ Crew Cab 159"	6.6L V8	4WD	43	40
HD LTZ Crew Cab 172"	6.6L V8	4WD	43	40
HD Work Crew Cab 159"	6.6L V8	RWD	43	40
HD Work Crew Cab 172"	6.6L V8	RWD	43	40
HD Work Double Cab 162"	6.6L V8	RWD	43	39
HD Work Reg Cab 142"	6.6L V8	RWD	43
HD Work Crew Cab 159"	6.6L V8	4WD	43	40
HD Work Crew Cab 172"	6.6L V8	4WD	43	40
HD Work Double Cab 162"	6.6L V8	4WD	43	39
HD Work Reg Cab 142"	6.6L V8	4WD	43
HD High Country Crew Cab 159"	6.6L V8	4WD	43	40
HD High Country Crew Cab 172"	6.6L V8	4WD	43	40
HD LT Double Cab 162"	6.6L V8	RWD	43.03	39.88
HD LT Reg Cab 142"	6.6L V8	RWD	43.11

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
HD Crew Cab High Country	6.6L V8	4WD	109	101
HD Crew Cab High Country	6.6L V8	4WD	109	101
HD Crew Cab LT	6.6L V8	RWD	109	101
HD Crew Cab LT	6.6L V8	RWD	109	101
HD Crew Cab LT	6.6L V8	4WD	109	101
HD Crew Cab LT	6.6L V8	4WD	109	101
HD Crew Cab LTZ	6.6L V8	RWD	109	101
HD Crew Cab LTZ	6.6L V8	RWD	109	101
HD Crew Cab LTZ	6.6L V8	4WD	109	101
HD Crew Cab LTZ	6.6L V8	4WD	109	101
HD Crew Cab Work	6.6L V8	RWD	109	101
HD Crew Cab Work	6.6L V8	RWD	109	101
HD Crew Cab Work	6.6L V8	4WD	109	101
HD Crew Cab Work	6.6L V8	4WD	109	101
HD Extended Cab LT	6.6L V8	RWD	109	99
HD Extended Cab LT	6.6L V8	RWD	109	99
HD Extended Cab LT	6.6L V8	4WD	109	99
HD Extended Cab LT	6.6L V8	4WD	109	99
HD Extended Cab Work	6.6L V8	RWD	109	99
HD Extended Cab Work	6.6L V8	RWD	109	99
HD Extended Cab Work	6.6L V8	4WD	109	99
HD Extended Cab Work	6.6L V8	4WD	109	99
HD Regular Cab LT	6.6L V8	RWD	109
HD Regular Cab LT	6.6L V8	RWD	109
HD Regular Cab LT	6.6L V8	4WD	109
HD Regular Cab LT	6.6L V8	4WD	109
HD Regular Cab Work	6.6L V8	RWD	109
HD Regular Cab Work	6.6L V8	RWD	109
HD Regular Cab Work	6.6L V8	4WD	109
HD Regular Cab Work	6.6L V8	4WD	109

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
HD LT Crew Cab 159"	6.6L V8	RWD	109	101
HD LT Crew Cab 172"	6.6L V8	RWD	109	101
HD LT Crew Cab 159"	6.6L V8	4WD	109	101
HD LT Crew Cab 172"	6.6L V8	4WD	109	101
HD LT Double Cab 162"	6.6L V8	4WD	109	99
HD LT Reg Cab 142"	6.6L V8	4WD	109
HD LTZ Crew Cab 159"	6.6L V8	RWD	109	101
HD LTZ Crew Cab 172"	6.6L V8	RWD	109	101
HD LTZ Crew Cab 159"	6.6L V8	4WD	109	101
HD LTZ Crew Cab 172"	6.6L V8	4WD	109	101
HD Work Crew Cab 159"	6.6L V8	RWD	109	101
HD Work Crew Cab 172"	6.6L V8	RWD	109	101
HD Work Double Cab 162"	6.6L V8	RWD	109	99
HD Work Reg Cab 142"	6.6L V8	RWD	109
HD Work Crew Cab 159"	6.6L V8	4WD	109	101
HD Work Crew Cab 172"	6.6L V8	4WD	109	101
HD Work Double Cab 162"	6.6L V8	4WD	109	99
HD Work Reg Cab 142"	6.6L V8	4WD	109
HD High Country Crew Cab 159"	6.6L V8	4WD	109	101
HD High Country Crew Cab 172"	6.6L V8	4WD	109	101
HD LT Double Cab 162"	6.6L V8	RWD	109	101
HD LT Reg Cab 142"	6.6L V8	RWD	109