Specifications Comparison: 2023 Chevrolet Silverado 3500 vs 2015 Chevrolet Silverado 3500

Headroom

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 (in)	2nd Row Headroom (in)
HD Crew Cab LT	6.0L V8	RWD	42.8	40.5
HD Crew Cab LT	6.0L V8	4WD	42.8	40.5
HD Crew Cab LTZ	6.0L V8	RWD	42.8	40.5
HD Crew Cab LTZ	6.0L V8	4WD	42.8	40.5
HD Crew Cab Work	6.0L V8	RWD	42.8	40.5
HD Crew Cab Work	6.0L V8	4WD	42.8	40.5
HD Extended Cab LT	6.0L V8	RWD	42.8	38.7
HD Extended Cab LT	6.0L V8	4WD	42.8	38.7
HD Extended Cab LTZ	6.0L V8	RWD	42.8	38.7
HD Extended Cab LTZ	6.0L V8	4WD	42.8	38.7
HD Extended Cab Work	6.0L V8	RWD	42.8	38.7
HD Extended Cab Work	6.0L V8	4WD	42.8	38.7
HD Regular Cab LT	6.0L V8	RWD	42.8
HD Regular Cab LT	6.0L V8	4WD	42.8
HD Regular Cab Work	6.0L V8	RWD	42.8
HD Regular Cab Work	6.0L V8	4WD	42.8
HD Built After Aug 14 Crew Cab High Country	6.0L V8	RWD	42.8	40.5
HD Built After Aug 14 Crew Cab High Country	6.0L V8	4WD	42.8	40.5

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

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
HD Crew Cab LT	6.0L V8	RWD	108.7	102.9
HD Crew Cab LT	6.0L V8	4WD	108.7	102.9
HD Crew Cab LTZ	6.0L V8	RWD	108.7	102.9
HD Crew Cab LTZ	6.0L V8	4WD	108.7	102.9
HD Crew Cab Work	6.0L V8	RWD	108.7	102.9
HD Crew Cab Work	6.0L V8	4WD	108.7	102.9
HD Extended Cab LT	6.0L V8	RWD	108.7	98.3
HD Extended Cab LT	6.0L V8	4WD	108.7	98.3
HD Extended Cab LTZ	6.0L V8	RWD	108.7	98.3
HD Extended Cab LTZ	6.0L V8	4WD	108.7	98.3
HD Extended Cab Work	6.0L V8	RWD	108.7	98.3
HD Extended Cab Work	6.0L V8	4WD	108.7	98.3
HD Regular Cab LT	6.0L V8	RWD	108.7
HD Regular Cab LT	6.0L V8	4WD	108.7
HD Regular Cab Work	6.0L V8	RWD	108.7
HD Regular Cab Work	6.0L V8	4WD	108.7
HD Built After Aug 14 Crew Cab High Country	6.0L V8	RWD	108.7	102.9
HD Built After Aug 14 Crew Cab High Country	6.0L V8	4WD	108.7	102.9