Specifications Comparison: 2004 Chevrolet Silverado 1500 vs 2009 Chevrolet Silverado 1500

Headroom

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
Extended Cab	V6	RWD	41	38.4
Extended Cab	V8	4WD	41	38.4
Extended Cab LS	V8	RWD	41	38.4
Extended Cab LS	V8	4WD	41	38.4
Extended Cab LT	V8	RWD	41	38.4
Extended Cab LT	V8	4WD	41	38.4
Extended Cab Z71	V8	4WD	41	38.4
Regular Cab	V6	RWD	41
Regular Cab	V6	4WD	41
Regular Cab LS	V8	RWD	41
Regular Cab LS	V8	4WD	41
Regular Cab Z71	V8	4WD	41
Crew Cab LS	V8	RWD	40.7	40.2
Crew Cab LS	V8	4WD	40.7	40.2
Crew Cab LT	V8	RWD	40.7	40.2
Crew Cab LT	V8	4WD	40.7	40.2
Crew Cab Z71	V8	4WD	40.7	40.2

Trim	Eng.	Drive train	1st Row Headroom (in)	2nd Row Headroom (in)
Crew Cab LS	4.8L V8	RWD	41.2	40.5
Crew Cab LS	4.8L V8	4WD	41.2	40.5
Crew Cab LT	4.8L V8	RWD	41.2	40.5
Crew Cab LT	4.8L V8	4WD	41.2	40.5
Crew Cab LTZ	5.3L V8	RWD	41.2	40.5
Crew Cab LTZ	5.3L V8	4WD	41.2	40.5
Crew Cab Work	4.8L V8	RWD	41.2	40.5
Crew Cab Work	4.8L V8	4WD	41.2	40.5
Crew Cab XFE	5.3L V8	RWD	41.2	40.5
Extended Cab LS	4.8L V8	RWD	41.2	39.2
Extended Cab LS	4.8L V8	4WD	41.2	39.2
Extended Cab LT	4.8L V8	RWD	41.2	39.2
Extended Cab LT	4.8L V8	4WD	41.2	39.2
Extended Cab LTZ	5.3L V8	RWD	41.2	39.2
Extended Cab LTZ	5.3L V8	4WD	41.2	39.2
Extended Cab Work	4.3L V6	RWD	41.2	39.2
Extended Cab Work	4.8L V8	4WD	41.2	39.2
Regular Cab LT	4.8L V8	RWD	41.5
Regular Cab LT	4.8L V8	4WD	41.5
Regular Cab Work	4.3L V6	RWD	41.5
Regular Cab Work	4.3L V6	4WD	41.5
Crew Cab	6.0L V8	RWD	41.5	40.6
Crew Cab	6.0L V8	4WD	41.5	40.6

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
Extended Cab	V6	RWD	104.1	97.5
Extended Cab	V8	4WD	104.1	97.5
Extended Cab LS	V8	RWD	104.1	97.5
Extended Cab LS	V8	4WD	104.1	97.5
Extended Cab LT	V8	RWD	104.1	97.5
Extended Cab LT	V8	4WD	104.1	97.5
Extended Cab Z71	V8	4WD	104.1	97.5
Regular Cab	V6	RWD	104.1
Regular Cab	V6	4WD	104.1
Regular Cab LS	V8	RWD	104.1
Regular Cab LS	V8	4WD	104.1
Regular Cab Z71	V8	4WD	104.1
Crew Cab LS	V8	RWD	103.4	102.1
Crew Cab LS	V8	4WD	103.4	102.1
Crew Cab LT	V8	RWD	103.4	102.1
Crew Cab LT	V8	4WD	103.4	102.1
Crew Cab Z71	V8	4WD	103.4	102.1

Trim	Eng.	Drive train	1st Row Headroom (cm)	2nd Row Headroom (cm)
Crew Cab LS	4.8L V8	RWD	104.6	102.9
Crew Cab LS	4.8L V8	4WD	104.6	102.9
Crew Cab LT	4.8L V8	RWD	104.6	102.9
Crew Cab LT	4.8L V8	4WD	104.6	102.9
Crew Cab LTZ	5.3L V8	RWD	104.6	102.9
Crew Cab LTZ	5.3L V8	4WD	104.6	102.9
Crew Cab Work	4.8L V8	RWD	104.6	102.9
Crew Cab Work	4.8L V8	4WD	104.6	102.9
Crew Cab XFE	5.3L V8	RWD	104.6	102.9
Extended Cab LS	4.8L V8	RWD	104.6	99.6
Extended Cab LS	4.8L V8	4WD	104.6	99.6
Extended Cab LT	4.8L V8	RWD	104.6	99.6
Extended Cab LT	4.8L V8	4WD	104.6	99.6
Extended Cab LTZ	5.3L V8	RWD	104.6	99.6
Extended Cab LTZ	5.3L V8	4WD	104.6	99.6
Extended Cab Work	4.3L V6	RWD	104.6	99.6
Extended Cab Work	4.8L V8	4WD	104.6	99.6
Regular Cab LT	4.8L V8	RWD	105.4
Regular Cab LT	4.8L V8	4WD	105.4
Regular Cab Work	4.3L V6	RWD	105.4
Regular Cab Work	4.3L V6	4WD	105.4
Crew Cab	6.0L V8	RWD	105.4	103.1
Crew Cab	6.0L V8	4WD	105.4	103.1