Specifications Comparison: 2018 Chevrolet Silverado 3500 vs 2023 Chevrolet Silverado 3500

Legroom

Trim	Eng.	Drive train	1st Row Legroom (in)	2nd Row Legroom (in)
HD Crew Cab High Country	6.0L V8	RWD	45.3	40.9
HD Crew Cab High Country	6.0L V8	4WD	45.3	40.9
HD Crew Cab LT	6.0L V8	RWD	45.3	40.9
HD Crew Cab LT	6.0L V8	4WD	45.3	40.9
HD Crew Cab LTZ	6.0L V8	RWD	45.3	40.9
HD Crew Cab LTZ	6.0L V8	4WD	45.3	40.9
HD Crew Cab Work	6.0L V8	RWD	45.3	40.9
HD Crew Cab Work	6.0L V8	4WD	45.3	40.9
HD Extended Cab LT	6.0L V8	RWD	45.3	34.6
HD Extended Cab LT	6.0L V8	4WD	45.3	34.6
HD Extended Cab LTZ	6.0L V8	RWD	45.3	34.6
HD Extended Cab LTZ	6.0L V8	4WD	45.3	34.6
HD Extended Cab Work	6.0L V8	RWD	45.3	34.6
HD Extended Cab Work	6.0L V8	4WD	45.3	34.6
HD Regular Cab LT	6.0L V8	RWD	45.3
HD Regular Cab LT	6.0L V8	4WD	45.3
HD Regular Cab Work	6.0L V8	RWD	45.3
HD Regular Cab Work	6.0L V8	4WD	45.3

Trim	Eng.	Drive train	1st Row Legroom (in)	2nd Row Legroom (in)
HD LT Crew Cab 159"	6.6L V8	RWD	44	43
HD LT Crew Cab 172"	6.6L V8	RWD	44	43
HD LT Crew Cab 159"	6.6L V8	4WD	44	43
HD LT Crew Cab 172"	6.6L V8	4WD	44	43
HD LT Double Cab 162"	6.6L V8	4WD	44	35
HD LT Reg Cab 142"	6.6L V8	4WD	44
HD LTZ Crew Cab 159"	6.6L V8	RWD	44	43
HD LTZ Crew Cab 172"	6.6L V8	RWD	44	43
HD LTZ Crew Cab 159"	6.6L V8	4WD	44	43
HD LTZ Crew Cab 172"	6.6L V8	4WD	44	43
HD Work Crew Cab 159"	6.6L V8	RWD	44	43
HD Work Crew Cab 172"	6.6L V8	RWD	44	43
HD Work Double Cab 162"	6.6L V8	RWD	44	35
HD Work Reg Cab 142"	6.6L V8	RWD	44
HD Work Crew Cab 159"	6.6L V8	4WD	44	43
HD Work Crew Cab 172"	6.6L V8	4WD	44	43
HD Work Double Cab 162"	6.6L V8	4WD	44	35
HD Work Reg Cab 142"	6.6L V8	4WD	44
HD High Country Crew Cab 159"	6.6L V8	4WD	44	43
HD High Country Crew Cab 172"	6.6L V8	4WD	44	43
HD LT Double Cab 162"	6.6L V8	RWD	44.53	35.24
HD LT Reg Cab 142"	6.6L V8	RWD	44.53

Trim	Eng.	Drive train	1st Row Legroom (cm)	2nd Row Legroom (cm)
HD Crew Cab High Country	6.0L V8	RWD	115.1	103.9
HD Crew Cab High Country	6.0L V8	4WD	115.1	103.9
HD Crew Cab LT	6.0L V8	RWD	115.1	103.9
HD Crew Cab LT	6.0L V8	4WD	115.1	103.9
HD Crew Cab LTZ	6.0L V8	RWD	115.1	103.9
HD Crew Cab LTZ	6.0L V8	4WD	115.1	103.9
HD Crew Cab Work	6.0L V8	RWD	115.1	103.9
HD Crew Cab Work	6.0L V8	4WD	115.1	103.9
HD Extended Cab LT	6.0L V8	RWD	115.1	87.9
HD Extended Cab LT	6.0L V8	4WD	115.1	87.9
HD Extended Cab LTZ	6.0L V8	RWD	115.1	87.9
HD Extended Cab LTZ	6.0L V8	4WD	115.1	87.9
HD Extended Cab Work	6.0L V8	RWD	115.1	87.9
HD Extended Cab Work	6.0L V8	4WD	115.1	87.9
HD Regular Cab LT	6.0L V8	RWD	115.1
HD Regular Cab LT	6.0L V8	4WD	115.1
HD Regular Cab Work	6.0L V8	RWD	115.1
HD Regular Cab Work	6.0L V8	4WD	115.1

Trim	Eng.	Drive train	1st Row Legroom (cm)	2nd Row Legroom (cm)
HD LT Crew Cab 159"	6.6L V8	RWD	111	109
HD LT Crew Cab 172"	6.6L V8	RWD	111	109
HD LT Crew Cab 159"	6.6L V8	4WD	111	109
HD LT Crew Cab 172"	6.6L V8	4WD	111	109
HD LT Double Cab 162"	6.6L V8	4WD	111	88
HD LT Reg Cab 142"	6.6L V8	4WD	111
HD LTZ Crew Cab 159"	6.6L V8	RWD	111	109
HD LTZ Crew Cab 172"	6.6L V8	RWD	111	109
HD LTZ Crew Cab 159"	6.6L V8	4WD	111	109
HD LTZ Crew Cab 172"	6.6L V8	4WD	111	109
HD Work Crew Cab 159"	6.6L V8	RWD	111	109
HD Work Crew Cab 172"	6.6L V8	RWD	111	109
HD Work Double Cab 162"	6.6L V8	RWD	111	88
HD Work Reg Cab 142"	6.6L V8	RWD	111
HD Work Crew Cab 159"	6.6L V8	4WD	111	109
HD Work Crew Cab 172"	6.6L V8	4WD	111	109
HD Work Double Cab 162"	6.6L V8	4WD	111	88
HD Work Reg Cab 142"	6.6L V8	4WD	111
HD High Country Crew Cab 159"	6.6L V8	4WD	111	109
HD High Country Crew Cab 172"	6.6L V8	4WD	111	109
HD LT Double Cab 162"	6.6L V8	RWD	113	90
HD LT Reg Cab 142"	6.6L V8	RWD	113