Specifications Comparison: 2006 GMC Sierra 2500 vs 2004 GMC Sierra 2500

Legroom

Trim	Eng.	Drive train	1st Row Legroom (in)	2nd Row Legroom (in)
HD 2500 Crew Cab SL	V8	RWD	41.3	39.1
HD 2500 Crew Cab SL	V8	4WD	41.3	39.1
HD 2500 Crew Cab SLE	V8	RWD	41.3	39.1
HD 2500 Crew Cab SLE	V8	4WD	41.3	39.1
HD 2500 Crew Cab SLT	V8	RWD	41.3	39.1
HD 2500 Crew Cab SLT	V8	4WD	41.3	39.1
HD 2500 Extended Cab SL	V8	RWD	41.3	33.7
HD 2500 Extended Cab SL	V8	4WD	41.3	33.7
HD 2500 Extended Cab SLE	V8	RWD	41.3	33.7
HD 2500 Extended Cab SLE	V8	4WD	41.3	33.7
HD 2500 Extended Cab SLT	V8	RWD	41.3	33.7
HD 2500 Extended Cab SLT	V8	4WD	41.3	33.7
HD 2500 Regular Cab SL	V8	RWD	41.3
HD 2500 Regular Cab SL	V8	4WD	41.3
HD 2500 Regular Cab SLE	V8	RWD	41.3
HD 2500 Regular Cab SLE	V8	4WD	41.3

Trim	Eng.	Drive train	1st Row Legroom (in)	2nd Row Legroom (in)
2500 Extended Cab	V8	RWD	41.3	33.7
2500 Extended Cab SLE	V8	4WD	41.3	33.7
2500 Extended Cab SLT	V8	4WD	41.3	33.7
2500 Regular Cab	V8	RWD	41.3
2500 Regular Cab SLE	V8	RWD	41.3
Crew Cab 2500 SLE	V8	RWD	41.3	38.8
Crew Cab 2500 SLE	V8	4WD	41.3	38.8
Crew Cab 2500 SLT	V8	RWD	41.3	38.8
Crew Cab 2500 SLT	V8	4WD	41.3	38.8
HD 2500 Crew Cab	V8	RWD	41.3	38.8
HD 2500 Crew Cab	V8	4WD	41.3	38.8
HD 2500 Crew Cab SLE	V8	RWD	41.3	38.8
HD 2500 Crew Cab SLE	V8	4WD	41.3	38.8
HD 2500 Crew Cab SLT	V8	RWD	41.3	38.8
HD 2500 Crew Cab SLT	V8	4WD	41.3	38.8
HD 2500 Extended Cab	V8	RWD	41.3	33.7
HD 2500 Extended Cab	V8	4WD	41.3	33.7
HD 2500 Extended Cab SLE	V8	RWD	41.3	33.7
HD 2500 Extended Cab SLE	V8	4WD	41.3	33.7
HD 2500 Extended Cab SLT	V8	RWD	41.3	33.7
HD 2500 Extended Cab SLT	V8	4WD	41.3	33.7
HD 2500 Regular Cab	V8	RWD	41.3
HD 2500 Regular Cab	V8	4WD	41.3
HD 2500 Regular Cab SLE	V8	RWD	41.3
HD 2500 Regular Cab SLE	V8	4WD	41.3

Trim	Eng.	Drive train	1st Row Legroom (cm)	2nd Row Legroom (cm)
HD 2500 Crew Cab SL	V8	RWD	104.9	99.3
HD 2500 Crew Cab SL	V8	4WD	104.9	99.3
HD 2500 Crew Cab SLE	V8	RWD	104.9	99.3
HD 2500 Crew Cab SLE	V8	4WD	104.9	99.3
HD 2500 Crew Cab SLT	V8	RWD	104.9	99.3
HD 2500 Crew Cab SLT	V8	4WD	104.9	99.3
HD 2500 Extended Cab SL	V8	RWD	104.9	85.6
HD 2500 Extended Cab SL	V8	4WD	104.9	85.6
HD 2500 Extended Cab SLE	V8	RWD	104.9	85.6
HD 2500 Extended Cab SLE	V8	4WD	104.9	85.6
HD 2500 Extended Cab SLT	V8	RWD	104.9	85.6
HD 2500 Extended Cab SLT	V8	4WD	104.9	85.6
HD 2500 Regular Cab SL	V8	RWD	104.9
HD 2500 Regular Cab SL	V8	4WD	104.9
HD 2500 Regular Cab SLE	V8	RWD	104.9
HD 2500 Regular Cab SLE	V8	4WD	104.9

Trim	Eng.	Drive train	1st Row Legroom (cm)	2nd Row Legroom (cm)
2500 Extended Cab	V8	RWD	104.9	85.6
2500 Extended Cab SLE	V8	4WD	104.9	85.6
2500 Extended Cab SLT	V8	4WD	104.9	85.6
2500 Regular Cab	V8	RWD	104.9
2500 Regular Cab SLE	V8	RWD	104.9
Crew Cab 2500 SLE	V8	RWD	104.9	98.6
Crew Cab 2500 SLE	V8	4WD	104.9	98.6
Crew Cab 2500 SLT	V8	RWD	104.9	98.6
Crew Cab 2500 SLT	V8	4WD	104.9	98.6
HD 2500 Crew Cab	V8	RWD	104.9	98.6
HD 2500 Crew Cab	V8	4WD	104.9	98.6
HD 2500 Crew Cab SLE	V8	RWD	104.9	98.6
HD 2500 Crew Cab SLE	V8	4WD	104.9	98.6
HD 2500 Crew Cab SLT	V8	RWD	104.9	98.6
HD 2500 Crew Cab SLT	V8	4WD	104.9	98.6
HD 2500 Extended Cab	V8	RWD	104.9	85.6
HD 2500 Extended Cab	V8	4WD	104.9	85.6
HD 2500 Extended Cab SLE	V8	RWD	104.9	85.6
HD 2500 Extended Cab SLE	V8	4WD	104.9	85.6
HD 2500 Extended Cab SLT	V8	RWD	104.9	85.6
HD 2500 Extended Cab SLT	V8	4WD	104.9	85.6
HD 2500 Regular Cab	V8	RWD	104.9
HD 2500 Regular Cab	V8	4WD	104.9
HD 2500 Regular Cab SLE	V8	RWD	104.9
HD 2500 Regular Cab SLE	V8	4WD	104.9