Specifications Comparison: 2023 Chevrolet Silverado 1500 vs 2006 Chevrolet Silverado 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)
Crew Cab LS	V8	RWD	41.3	39
Crew Cab LS	V8	4WD	41.3	39
Crew Cab LT	V8	RWD	41.3	39
Crew Cab LT	V8	4WD	41.3	39
Extended Cab LS	V6	RWD	41.3	33.7
Extended Cab LS	V8	4WD	41.3	33.7
Extended Cab LT	V8	RWD	41.3	33.7
Extended Cab LT	V8	4WD	41.3	33.7
Regular Cab LS	V6	RWD	41.3
Regular Cab LS	V6	4WD	41.3
Regular Cab LT	V8	RWD	41.3
Regular Cab LT	V8	4WD	41.3
Extended Cab LT	V8	RWD	41.3	33.7
Extended Cab LT	V8	4WD	41.3	33.7
HD Crew Cab LT	V8	RWD	41.3	38.8
HD Crew Cab LT	V8	4WD	41.3	38.8

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)
Crew Cab LS	V8	RWD	104.9	99.1
Crew Cab LS	V8	4WD	104.9	99.1
Crew Cab LT	V8	RWD	104.9	99.1
Crew Cab LT	V8	4WD	104.9	99.1
Extended Cab LS	V6	RWD	104.9	85.6
Extended Cab LS	V8	4WD	104.9	85.6
Extended Cab LT	V8	RWD	104.9	85.6
Extended Cab LT	V8	4WD	104.9	85.6
Regular Cab LS	V6	RWD	104.9
Regular Cab LS	V6	4WD	104.9
Regular Cab LT	V8	RWD	104.9
Regular Cab LT	V8	4WD	104.9
Extended Cab LT	V8	RWD	104.9	85.6
Extended Cab LT	V8	4WD	104.9	85.6
HD Crew Cab LT	V8	RWD	104.9	98.6
HD Crew Cab LT	V8	4WD	104.9	98.6