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

Headroom

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
Denali Crew Cab 147"	5.3L V8	RWD	43.03	40.12
Denali Crew Cab 147"	5.3L V8	4WD	43.03	40.12
Denali Crew Cab 157"	5.3L V8	4WD	43.03	40.12
Elevation Crew Cab 147"		RWD	43.03	40.12
Elevation Double Cab 147"		RWD	43.03	39.88
Elevation Crew Cab 147" w/3SB		4WD	43.03	40.12
Elevation Crew Cab 147" w/3VL		4WD	43.03	40.12
Elevation Crew Cab 157"		4WD	43.03	40.12
Elevation Double Cab 147" w/3SB		4WD	43.03	39.88
Elevation Double Cab 147" w/3VL		4WD	43.03	39.88
Pro Crew Cab 147"		RWD	43.03	40.12
Pro Double Cab 147"		RWD	43.03	39.88
Pro Reg Cab 126"		RWD	43.11
Pro Reg Cab 140"		RWD	43.11
Pro Crew Cab 147"		4WD	43.03	40.12
Pro Crew Cab 157"		4WD	43.03	40.12
Pro Double Cab 147"		4WD	43.03	39.88
Pro Reg Cab 126"		4WD	43.11
Pro Reg Cab 140"		4WD	43.11
SLE Crew Cab 147"		RWD	43.03	40.12
SLE Double Cab 147"		RWD	43.03	39.88
SLE Crew Cab 147"		4WD	43.03	40.12
SLE Crew Cab 157"		4WD	43.03	40.12
SLE Double Cab 147"		4WD	43.03	39.88
SLT Crew Cab 147"	5.3L V8	RWD	43.03	40.12
SLT Crew Cab 147"	5.3L V8	4WD	43.03	40.12
SLT Crew Cab 157"	5.3L V8	4WD	43.03	40.12
AT4 Crew Cab 147"	3.0L I6	4WD	43.03	40.12
AT4 Crew Cab 157"	3.0L I6	4WD	43.03	40.12
AT4X Crew Cab 147"	3.0L I6	4WD	43.03	40.12
Denali Ultimate Crew Cab 147"	6.2L V8	4WD	43.03	40.12

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
Denali Crew Cab 147"	5.3L V8	RWD	43	40
Denali Crew Cab 147"	5.3L V8	4WD	43	40
Denali Crew Cab 157"	5.3L V8	4WD	43	40
Elevation Crew Cab 147"	2.7L	RWD	43	40
Elevation Double Cab 147"	2.7L	RWD	43	39
Elevation Crew Cab 147" w/ 3SB	2.7L	4WD	43	40
Elevation Crew Cab 147" w/ 3VL	2.7L	4WD	43	40
Elevation Crew Cab 157"	2.7L	4WD	43	40
Elevation Double Cab 147" w/ 3SB	2.7L	4WD	43	39
Elevation Double Cab 147" w/ 3VL	2.7L	4WD	43	39
Pro Crew Cab 147"	2.7L	RWD	43	40
Pro Double Cab 147"	2.7L	RWD	43	39
Pro Reg Cab 126"	2.7L	RWD	43
Pro Reg Cab 140"	2.7L	RWD	43
Pro Crew Cab 147"	2.7L	4WD	43	40
Pro Crew Cab 157"	2.7L	4WD	43	40
Pro Double Cab 147"	2.7L	4WD	43	39
Pro Reg Cab 126"	2.7L	4WD	43
Pro Reg Cab 140"	2.7L	4WD	43
SLE Crew Cab 147"	2.7L	RWD	43	40
SLE Double Cab 147"	2.7L	RWD	43	39
SLE Crew Cab 147"	2.7L	4WD	43	40
SLE Crew Cab 157"	2.7L	4WD	43	40
SLE Double Cab 147"	2.7L	4WD	43	39
SLT Crew Cab 147"	5.3L V8	RWD	43	40
SLT Crew Cab 147"	5.3L V8	4WD	43	40
SLT Crew Cab 157"	5.3L V8	4WD	43	40
AT4 Crew Cab 147"	3.0L I6	4WD	43	40
AT4 Crew Cab 157"	3.0L I6	4WD	43	40
AT4X Crew Cab 147"	6.2L V8	4WD	43	40
Denali Ultimate Crew Cab 147"	6.2L V8	4WD	43	40

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
Denali Crew Cab 147"	5.3L V8	RWD	109	102
Denali Crew Cab 147"	5.3L V8	4WD	109	102
Denali Crew Cab 157"	5.3L V8	4WD	109	102
Elevation Crew Cab 147"		RWD	109	102
Elevation Double Cab 147"		RWD	109	101
Elevation Crew Cab 147" w/3SB		4WD	109	102
Elevation Crew Cab 147" w/3VL		4WD	109	102
Elevation Crew Cab 157"		4WD	109	102
Elevation Double Cab 147" w/3SB		4WD	109	101
Elevation Double Cab 147" w/3VL		4WD	109	101
Pro Crew Cab 147"		RWD	109	102
Pro Double Cab 147"		RWD	109	101
Pro Reg Cab 126"		RWD	109
Pro Reg Cab 140"		RWD	109
Pro Crew Cab 147"		4WD	109	102
Pro Crew Cab 157"		4WD	109	102
Pro Double Cab 147"		4WD	109	101
Pro Reg Cab 126"		4WD	109
Pro Reg Cab 140"		4WD	109
SLE Crew Cab 147"		RWD	109	102
SLE Double Cab 147"		RWD	109	101
SLE Crew Cab 147"		4WD	109	102
SLE Crew Cab 157"		4WD	109	102
SLE Double Cab 147"		4WD	109	101
SLT Crew Cab 147"	5.3L V8	RWD	109	102
SLT Crew Cab 147"	5.3L V8	4WD	109	102
SLT Crew Cab 157"	5.3L V8	4WD	109	102
AT4 Crew Cab 147"	3.0L I6	4WD	109	102
AT4 Crew Cab 157"	3.0L I6	4WD	109	102
AT4X Crew Cab 147"	3.0L I6	4WD	109	102
Denali Ultimate Crew Cab 147"	6.2L V8	4WD	109	102

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
Denali Crew Cab 147"	5.3L V8	RWD	109	101
Denali Crew Cab 147"	5.3L V8	4WD	109	101
Denali Crew Cab 157"	5.3L V8	4WD	109	101
Elevation Crew Cab 147"	2.7L	RWD	109	101
Elevation Double Cab 147"	2.7L	RWD	109	99
Elevation Crew Cab 147" w/ 3SB	2.7L	4WD	109	101
Elevation Crew Cab 147" w/ 3VL	2.7L	4WD	109	101
Elevation Crew Cab 157"	2.7L	4WD	109	101
Elevation Double Cab 147" w/ 3SB	2.7L	4WD	109	99
Elevation Double Cab 147" w/ 3VL	2.7L	4WD	109	99
Pro Crew Cab 147"	2.7L	RWD	109	101
Pro Double Cab 147"	2.7L	RWD	109	99
Pro Reg Cab 126"	2.7L	RWD	109
Pro Reg Cab 140"	2.7L	RWD	109
Pro Crew Cab 147"	2.7L	4WD	109	101
Pro Crew Cab 157"	2.7L	4WD	109	101
Pro Double Cab 147"	2.7L	4WD	109	99
Pro Reg Cab 126"	2.7L	4WD	109
Pro Reg Cab 140"	2.7L	4WD	109
SLE Crew Cab 147"	2.7L	RWD	109	101
SLE Double Cab 147"	2.7L	RWD	109	99
SLE Crew Cab 147"	2.7L	4WD	109	101
SLE Crew Cab 157"	2.7L	4WD	109	101
SLE Double Cab 147"	2.7L	4WD	109	99
SLT Crew Cab 147"	5.3L V8	RWD	109	101
SLT Crew Cab 147"	5.3L V8	4WD	109	101
SLT Crew Cab 157"	5.3L V8	4WD	109	101
AT4 Crew Cab 147"	3.0L I6	4WD	109	101
AT4 Crew Cab 157"	3.0L I6	4WD	109	101
AT4X Crew Cab 147"	6.2L V8	4WD	109	101
Denali Ultimate Crew Cab 147"	6.2L V8	4WD	109	101