Specifications Comparison: 2021 Chevrolet Silverado 3500 vs 2007 Chevrolet Silverado 3500

Headroom

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
HD Crew Cab High Country	6.6L V8	4WD	43	40
HD Crew Cab High Country	6.6L V8	4WD	43	40
HD Crew Cab LT	6.6L V8	RWD	43	40
HD Crew Cab LT	6.6L V8	RWD	43	40
HD Crew Cab LT	6.6L V8	4WD	43	40
HD Crew Cab LT	6.6L V8	4WD	43	40
HD Crew Cab LTZ	6.6L V8	RWD	43	40
HD Crew Cab LTZ	6.6L V8	RWD	43	40
HD Crew Cab LTZ	6.6L V8	4WD	43	40
HD Crew Cab LTZ	6.6L V8	4WD	43	40
HD Crew Cab Work	6.6L V8	RWD	43	40
HD Crew Cab Work	6.6L V8	RWD	43	40
HD Crew Cab Work	6.6L V8	4WD	43	40
HD Crew Cab Work	6.6L V8	4WD	43	40
HD Extended Cab LT	6.6L V8	RWD	43	39
HD Extended Cab LT	6.6L V8	RWD	43	39
HD Extended Cab LT	6.6L V8	4WD	43	39
HD Extended Cab LT	6.6L V8	4WD	43	39
HD Extended Cab Work	6.6L V8	RWD	43	39
HD Extended Cab Work	6.6L V8	RWD	43	39
HD Extended Cab Work	6.6L V8	4WD	43	39
HD Extended Cab Work	6.6L V8	4WD	43	39
HD Regular Cab LT	6.6L V8	RWD	43
HD Regular Cab LT	6.6L V8	RWD	43
HD Regular Cab LT	6.6L V8	4WD	43
HD Regular Cab LT	6.6L V8	4WD	43
HD Regular Cab Work	6.6L V8	RWD	43
HD Regular Cab Work	6.6L V8	RWD	43
HD Regular Cab Work	6.6L V8	4WD	43
HD Regular Cab Work	6.6L V8	4WD	43

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
Classic Crew Cab LS	6.0L V8	RWD	41	39
Classic Crew Cab LS	6.0L V8	4WD	41	39
Classic Crew Cab LT	6.0L V8	RWD	41	39
Classic Crew Cab LT	6.0L V8	4WD	41	39
Classic Extended Cab LS	6.0L V8	RWD	41	38.4
Classic Extended Cab LS	6.0L V8	4WD	41	38.4
Classic Extended Cab LT	6.0L V8	RWD	41	38.4
Classic Extended Cab LT	6.0L V8	4WD	41	38.4
Classic Regular Cab LS	6.0L V8	RWD	41
Classic Regular Cab LS	6.0L V8	4WD	41
Classic Regular Cab LT	6.0L V8	RWD	41
Classic Regular Cab LT	6.0L V8	4WD	41
HD Crew Cab LT	6.0L V8	RWD	41.3	40.6
HD Crew Cab LT	6.0L V8	4WD	41.3	40.6
HD Crew Cab LTZ	6.0L V8	RWD	41.3	40.6
HD Crew Cab LTZ	6.0L V8	4WD	41.3	40.6
HD Extended Cab LT	6.0L V8	RWD	41.3	39.3
HD Extended Cab LT	6.0L V8	4WD	41.3	39.3
HD Extended Cab LTZ	6.0L V8	RWD	41.3	39.3
HD Extended Cab LTZ	6.0L V8	4WD	41.3	39.3
HD Regular Cab LT	6.0L V8	4WD	41.3

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
HD Crew Cab High Country	6.6L V8	4WD	109	101
HD Crew Cab High Country	6.6L V8	4WD	109	101
HD Crew Cab LT	6.6L V8	RWD	109	101
HD Crew Cab LT	6.6L V8	RWD	109	101
HD Crew Cab LT	6.6L V8	4WD	109	101
HD Crew Cab LT	6.6L V8	4WD	109	101
HD Crew Cab LTZ	6.6L V8	RWD	109	101
HD Crew Cab LTZ	6.6L V8	RWD	109	101
HD Crew Cab LTZ	6.6L V8	4WD	109	101
HD Crew Cab LTZ	6.6L V8	4WD	109	101
HD Crew Cab Work	6.6L V8	RWD	109	101
HD Crew Cab Work	6.6L V8	RWD	109	101
HD Crew Cab Work	6.6L V8	4WD	109	101
HD Crew Cab Work	6.6L V8	4WD	109	101
HD Extended Cab LT	6.6L V8	RWD	109	99
HD Extended Cab LT	6.6L V8	RWD	109	99
HD Extended Cab LT	6.6L V8	4WD	109	99
HD Extended Cab LT	6.6L V8	4WD	109	99
HD Extended Cab Work	6.6L V8	RWD	109	99
HD Extended Cab Work	6.6L V8	RWD	109	99
HD Extended Cab Work	6.6L V8	4WD	109	99
HD Extended Cab Work	6.6L V8	4WD	109	99
HD Regular Cab LT	6.6L V8	RWD	109
HD Regular Cab LT	6.6L V8	RWD	109
HD Regular Cab LT	6.6L V8	4WD	109
HD Regular Cab LT	6.6L V8	4WD	109
HD Regular Cab Work	6.6L V8	RWD	109
HD Regular Cab Work	6.6L V8	RWD	109
HD Regular Cab Work	6.6L V8	4WD	109
HD Regular Cab Work	6.6L V8	4WD	109

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
Classic Crew Cab LS	6.0L V8	RWD	104.1	99.1
Classic Crew Cab LS	6.0L V8	4WD	104.1	99.1
Classic Crew Cab LT	6.0L V8	RWD	104.1	99.1
Classic Crew Cab LT	6.0L V8	4WD	104.1	99.1
Classic Extended Cab LS	6.0L V8	RWD	104.1	97.5
Classic Extended Cab LS	6.0L V8	4WD	104.1	97.5
Classic Extended Cab LT	6.0L V8	RWD	104.1	97.5
Classic Extended Cab LT	6.0L V8	4WD	104.1	97.5
Classic Regular Cab LS	6.0L V8	RWD	104.1
Classic Regular Cab LS	6.0L V8	4WD	104.1
Classic Regular Cab LT	6.0L V8	RWD	104.1
Classic Regular Cab LT	6.0L V8	4WD	104.1
HD Crew Cab LT	6.0L V8	RWD	104.9	103.1
HD Crew Cab LT	6.0L V8	4WD	104.9	103.1
HD Crew Cab LTZ	6.0L V8	RWD	104.9	103.1
HD Crew Cab LTZ	6.0L V8	4WD	104.9	103.1
HD Extended Cab LT	6.0L V8	RWD	104.9	99.8
HD Extended Cab LT	6.0L V8	4WD	104.9	99.8
HD Extended Cab LTZ	6.0L V8	RWD	104.9	99.8
HD Extended Cab LTZ	6.0L V8	4WD	104.9	99.8
HD Regular Cab LT	6.0L V8	4WD	104.9