Specifications Comparison: 2023 Chevrolet Silverado 1500 vs 2024 GMC Sierra 1500

Legroom

Trim	Eng.	Drive train	1st Row Legroom (in)	2nd Row Legroom (in)
Custom Crew Cab 147"	2.7L	RWD	44	43
Custom Double Cab 147"	2.7L	RWD	44	35
Custom Crew Cab 147"	2.7L	4WD	44	43
Custom Crew Cab 157"	2.7L	4WD	44	43
Custom Double Cab 147"	2.7L	4WD	44	35
High Country Crew Cab 147"	5.3L V8	RWD	44	43
High Country Crew Cab 147"	5.3L V8	4WD	44	43
High Country Crew Cab 157"	5.3L V8	4WD	44	43
LT Crew Cab 147"	2.7L	RWD	44	43
LT Crew Cab 157"	2.7L	RWD	44	43
LT Double Cab 147"	2.7L	RWD	44	35
LT Crew Cab 147" w/ 1LT	2.7L	4WD	44	43
LT Crew Cab 147" w/ 2FL	2.7L	4WD	44	43
LT Crew Cab 157"	2.7L	4WD	44	43
LT Double Cab 147" w/ 1LT	2.7L	4WD	44	35
LT Double Cab 147" w/ 2FL	2.7L	4WD	44	35
LTZ Crew Cab 147"	5.3L V8	RWD	44	43
LTZ Crew Cab 147"	5.3L V8	4WD	44	43
LTZ Crew Cab 157"	5.3L V8	4WD	44	43
RST Crew Cab 147"	5.3L V8	RWD	44	43
RST Crew Cab 147"	5.3L V8	4WD	44	43
RST Crew Cab 157"	5.3L V8	4WD	44	43
RST Double Cab 147"	2.7L	4WD	44	35
Work Crew Cab 147"	2.7L	RWD	44	43
Work Crew Cab 157"	2.7L	RWD	44	43
Work Double Cab 147"	2.7L	RWD	44	35
Work Reg Cab 126"	2.7L	RWD	44
Work Reg Cab 140"	2.7L	RWD	44
Work Crew Cab 147"	2.7L	4WD	44	43
Work Crew Cab 157"	2.7L	4WD	44	43
Work Double Cab 147"	2.7L	4WD	44	35
Work Reg Cab 126"	2.7L	4WD	44
Work Reg Cab 140"	2.7L	4WD	44
Custom Trail Boss Crew Cab 147"	2.7L	4WD	44	43
Custom Trail Boss Crew Cab 157"	2.7L	4WD	44	43
LT Trail Boss Crew Cab 147"	2.7L	4WD	44	43
LT Trail Boss Crew Cab 157"	2.7L	4WD	44	43
ZR2 Crew Cab 147"	6.2L V8	4WD	44	43

Trim	Eng.	Drive train	1st Row Legroom (in)	2nd Row Legroom (in)
Denali Crew Cab 147"	5.3L V8	RWD	44.53	43.4
Denali Crew Cab 147"	5.3L V8	4WD	44.53	43.4
Denali Crew Cab 157"	5.3L V8	4WD	44.53	43.4
Elevation Crew Cab 147"		RWD	44.53	43.4
Elevation Double Cab 147"		RWD	44.53	35.24
Elevation Crew Cab 147" w/3SB		4WD	44.53	43.4
Elevation Crew Cab 147" w/3VL		4WD	44.53	43.4
Elevation Crew Cab 157"		4WD	44.53	43.4
Elevation Double Cab 147" w/3SB		4WD	44.53	35.24
Elevation Double Cab 147" w/3VL		4WD	44.53	35.24
Pro Crew Cab 147"		RWD	44.53	43.4
Pro Double Cab 147"		RWD	44.53	35.24
Pro Reg Cab 126"		RWD	44.53
Pro Reg Cab 140"		RWD	44.53
Pro Crew Cab 147"		4WD	44.53	43.4
Pro Crew Cab 157"		4WD	44.53	43.4
Pro Double Cab 147"		4WD	44.53	35.24
Pro Reg Cab 126"		4WD	44.53
Pro Reg Cab 140"		4WD	44.53
SLE Crew Cab 147"		RWD	44.53	43.4
SLE Double Cab 147"		RWD	44.53	35.24
SLE Crew Cab 147"		4WD	44.53	43.4
SLE Crew Cab 157"		4WD	44.53	43.4
SLE Double Cab 147"		4WD	44.53	35.24
SLT Crew Cab 147"	5.3L V8	RWD	44.53	43.4
SLT Crew Cab 147"	5.3L V8	4WD	44.53	43.4
SLT Crew Cab 157"	5.3L V8	4WD	44.53	43.4
AT4 Crew Cab 147"	3.0L I6	4WD	44.53	43.4
AT4 Crew Cab 157"	3.0L I6	4WD	44.53	43.4
AT4X Crew Cab 147"	3.0L I6	4WD	44.53	43.4
Denali Ultimate Crew Cab 147"	6.2L V8	4WD	44.53	43.4

Trim	Eng.	Drive train	1st Row Legroom (cm)	2nd Row Legroom (cm)
Custom Crew Cab 147"	2.7L	RWD	111	109
Custom Double Cab 147"	2.7L	RWD	111	88
Custom Crew Cab 147"	2.7L	4WD	111	109
Custom Crew Cab 157"	2.7L	4WD	111	109
Custom Double Cab 147"	2.7L	4WD	111	88
High Country Crew Cab 147"	5.3L V8	RWD	111	109
High Country Crew Cab 147"	5.3L V8	4WD	111	109
High Country Crew Cab 157"	5.3L V8	4WD	111	109
LT Crew Cab 147"	2.7L	RWD	111	109
LT Crew Cab 157"	2.7L	RWD	111	109
LT Double Cab 147"	2.7L	RWD	111	88
LT Crew Cab 147" w/ 1LT	2.7L	4WD	111	109
LT Crew Cab 147" w/ 2FL	2.7L	4WD	111	109
LT Crew Cab 157"	2.7L	4WD	111	109
LT Double Cab 147" w/ 1LT	2.7L	4WD	111	88
LT Double Cab 147" w/ 2FL	2.7L	4WD	111	88
LTZ Crew Cab 147"	5.3L V8	RWD	111	109
LTZ Crew Cab 147"	5.3L V8	4WD	111	109
LTZ Crew Cab 157"	5.3L V8	4WD	111	109
RST Crew Cab 147"	5.3L V8	RWD	111	109
RST Crew Cab 147"	5.3L V8	4WD	111	109
RST Crew Cab 157"	5.3L V8	4WD	111	109
RST Double Cab 147"	2.7L	4WD	111	88
Work Crew Cab 147"	2.7L	RWD	111	109
Work Crew Cab 157"	2.7L	RWD	111	109
Work Double Cab 147"	2.7L	RWD	111	88
Work Reg Cab 126"	2.7L	RWD	111
Work Reg Cab 140"	2.7L	RWD	111
Work Crew Cab 147"	2.7L	4WD	111	109
Work Crew Cab 157"	2.7L	4WD	111	109
Work Double Cab 147"	2.7L	4WD	111	88
Work Reg Cab 126"	2.7L	4WD	111
Work Reg Cab 140"	2.7L	4WD	111
Custom Trail Boss Crew Cab 147"	2.7L	4WD	111	109
Custom Trail Boss Crew Cab 157"	2.7L	4WD	111	109
LT Trail Boss Crew Cab 147"	2.7L	4WD	111	109
LT Trail Boss Crew Cab 157"	2.7L	4WD	111	109
ZR2 Crew Cab 147"	6.2L V8	4WD	111	109

Trim	Eng.	Drive train	1st Row Legroom (cm)	2nd Row Legroom (cm)
Denali Crew Cab 147"	5.3L V8	RWD	113	110
Denali Crew Cab 147"	5.3L V8	4WD	113	110
Denali Crew Cab 157"	5.3L V8	4WD	113	110
Elevation Crew Cab 147"		RWD	113	110
Elevation Double Cab 147"		RWD	113	90
Elevation Crew Cab 147" w/3SB		4WD	113	110
Elevation Crew Cab 147" w/3VL		4WD	113	110
Elevation Crew Cab 157"		4WD	113	110
Elevation Double Cab 147" w/3SB		4WD	113	90
Elevation Double Cab 147" w/3VL		4WD	113	90
Pro Crew Cab 147"		RWD	113	110
Pro Double Cab 147"		RWD	113	90
Pro Reg Cab 126"		RWD	113
Pro Reg Cab 140"		RWD	113
Pro Crew Cab 147"		4WD	113	110
Pro Crew Cab 157"		4WD	113	110
Pro Double Cab 147"		4WD	113	90
Pro Reg Cab 126"		4WD	113
Pro Reg Cab 140"		4WD	113
SLE Crew Cab 147"		RWD	113	110
SLE Double Cab 147"		RWD	113	90
SLE Crew Cab 147"		4WD	113	110
SLE Crew Cab 157"		4WD	113	110
SLE Double Cab 147"		4WD	113	90
SLT Crew Cab 147"	5.3L V8	RWD	113	110
SLT Crew Cab 147"	5.3L V8	4WD	113	110
SLT Crew Cab 157"	5.3L V8	4WD	113	110
AT4 Crew Cab 147"	3.0L I6	4WD	113	110
AT4 Crew Cab 157"	3.0L I6	4WD	113	110
AT4X Crew Cab 147"	3.0L I6	4WD	113	110
Denali Ultimate Crew Cab 147"	6.2L V8	4WD	113	110