Specifications Comparison: 2012 GMC Sierra 2500 vs 2019 GMC Sierra 2500

Legroom

2012 GMC Sierra 2500

Legroom (Imp.)

Trim	Eng.	Drive train	1st Row Legroom (in)	2nd Row Legroom (in)
HD 2500 Crew Cab Denali	6.0L V8	RWD	41.3	39
HD 2500 Crew Cab Denali	6.0L V8	4WD	41.3	39
HD 2500 Crew Cab SLE	6.0L V8	RWD	41.3	39
HD 2500 Crew Cab SLE	6.0L V8	4WD	41.3	39
HD 2500 Crew Cab SLT	6.0L V8	RWD	41.3	39
HD 2500 Crew Cab SLT	6.0L V8	4WD	41.3	39
HD 2500 Extended Cab SLE	6.0L V8	RWD	41.3	34.4
HD 2500 Extended Cab SLE	6.0L V8	4WD	41.3	34.4
HD 2500 Extended Cab SLT	6.0L V8	RWD	41.3	34.4
HD 2500 Extended Cab SLT	6.0L V8	4WD	41.3	34.4
HD 2500 Regular Cab SLE	6.0L V8	RWD	41.3
HD 2500 Regular Cab SLE	6.0L V8	4WD	41.3

2019 GMC Sierra 2500

Legroom (Imp.)

Trim	Eng.	Drive train	1st Row Legroom (in)	2nd Row Legroom (in)
HD 2500 Crew Cab 153.7"	6.0L V8	RWD	45.3	40.9
HD 2500 Crew Cab 167.7"	6.0L V8	RWD	45.3	40.9
HD 2500 Double Cab 158.1"	6.0L V8	RWD	45.3	34.6
HD 2500 Crew Cab 153.7"	6.0L V8	4WD	45.3	40.9
HD 2500 Crew Cab 167.7"	6.0L V8	4WD	45.3	40.9
HD 2500 Double Cab 144.2"	6.0L V8	4WD	45.3	34.6
HD 2500 Double Cab 158.1"	6.0L V8	4WD	45.3	34.6
HD 2500 Reg Cab 133.6"	6.0L V8	4WD	45.3
HD 2500 Crew Cab 153.7" Denali	6.0L V8	RWD	45.3	40.9
HD 2500 Crew Cab 153.7" Denali	6.0L V8	4WD	45.3	40.9
HD 2500 Crew Cab 153.7" SLE	6.0L V8	RWD	45.3	40.9
HD 2500 Crew Cab 167.7" SLE	6.0L V8	RWD	45.3	40.9
HD 2500 Double Cab 158.1" SLE	6.0L V8	RWD	45.3	34.6
HD 2500 Crew Cab 153.7" SLE	6.0L V8	4WD	45.3	40.9
HD 2500 Crew Cab 167.7" SLE	6.0L V8	4WD	45.3	40.9
HD 2500 Double Cab 144.2" SLE	6.0L V8	4WD	45.3	34.6
HD 2500 Double Cab 158.1" SLE	6.0L V8	4WD	45.3	34.6
HD 2500 Crew Cab 153.7" SLT	6.0L V8	RWD	45.3	40.9
HD 2500 Crew Cab 167.7" SLT	6.0L V8	RWD	45.3	40.9
HD 2500 Crew Cab 153.7" SLT	6.0L V8	4WD	45.3	40.9
HD 2500 Crew Cab 167.7" SLT	6.0L V8	4WD	45.3	40.9
HD 2500 Crew Cab	6.0L V8	RWD	45.3	40.9
HD 2500 Crew Cab	6.0L V8	4WD	45.3	40.9
HD 2500 Crew Cab Denali	6.0L V8	RWD	45.3	40.9
HD 2500 Crew Cab Denali	6.0L V8	4WD	45.3	40.9
HD 2500 Crew Cab SLE	6.0L V8	RWD	45.3	40.9
HD 2500 Crew Cab SLE	6.0L V8	4WD	45.3	40.9
HD 2500 Crew Cab SLT	6.0L V8	RWD	45.3	40.9
HD 2500 Crew Cab SLT	6.0L V8	4WD	45.3	40.9
HD 2500 Extended Cab	6.0L V8	RWD	45.3	34.6
HD 2500 Extended Cab	6.0L V8	4WD	45.3	34.6
HD 2500 Extended Cab SLE	6.0L V8	RWD	45.3	34.6
HD 2500 Extended Cab SLE	6.0L V8	4WD	45.3	34.6
HD 2500 Regular Cab	6.0L V8	4WD	45.3

2012 GMC Sierra 2500

Legroom (Metric)

Trim	Eng.	Drive train	1st Row Legroom (cm)	2nd Row Legroom (cm)
HD 2500 Crew Cab Denali	6.0L V8	RWD	104.9	99.1
HD 2500 Crew Cab Denali	6.0L V8	4WD	104.9	99.1
HD 2500 Crew Cab SLE	6.0L V8	RWD	104.9	99.1
HD 2500 Crew Cab SLE	6.0L V8	4WD	104.9	99.1
HD 2500 Crew Cab SLT	6.0L V8	RWD	104.9	99.1
HD 2500 Crew Cab SLT	6.0L V8	4WD	104.9	99.1
HD 2500 Extended Cab SLE	6.0L V8	RWD	104.9	87.4
HD 2500 Extended Cab SLE	6.0L V8	4WD	104.9	87.4
HD 2500 Extended Cab SLT	6.0L V8	RWD	104.9	87.4
HD 2500 Extended Cab SLT	6.0L V8	4WD	104.9	87.4
HD 2500 Regular Cab SLE	6.0L V8	RWD	104.9
HD 2500 Regular Cab SLE	6.0L V8	4WD	104.9

2019 GMC Sierra 2500

Legroom (Metric)

Trim	Eng.	Drive train	1st Row Legroom (cm)	2nd Row Legroom (cm)
HD 2500 Crew Cab 153.7"	6.0L V8	RWD	115.1	103.9
HD 2500 Crew Cab 167.7"	6.0L V8	RWD	115.1	103.9
HD 2500 Double Cab 158.1"	6.0L V8	RWD	115.1	87.9
HD 2500 Crew Cab 153.7"	6.0L V8	4WD	115.1	103.9
HD 2500 Crew Cab 167.7"	6.0L V8	4WD	115.1	103.9
HD 2500 Double Cab 144.2"	6.0L V8	4WD	115.1	87.9
HD 2500 Double Cab 158.1"	6.0L V8	4WD	115.1	87.9
HD 2500 Reg Cab 133.6"	6.0L V8	4WD	115.1
HD 2500 Crew Cab 153.7" Denali	6.0L V8	RWD	115.1	103.9
HD 2500 Crew Cab 153.7" Denali	6.0L V8	4WD	115.1	103.9
HD 2500 Crew Cab 153.7" SLE	6.0L V8	RWD	115.1	103.9
HD 2500 Crew Cab 167.7" SLE	6.0L V8	RWD	115.1	103.9
HD 2500 Double Cab 158.1" SLE	6.0L V8	RWD	115.1	87.9
HD 2500 Crew Cab 153.7" SLE	6.0L V8	4WD	115.1	103.9
HD 2500 Crew Cab 167.7" SLE	6.0L V8	4WD	115.1	103.9
HD 2500 Double Cab 144.2" SLE	6.0L V8	4WD	115.1	87.9
HD 2500 Double Cab 158.1" SLE	6.0L V8	4WD	115.1	87.9
HD 2500 Crew Cab 153.7" SLT	6.0L V8	RWD	115.1	103.9
HD 2500 Crew Cab 167.7" SLT	6.0L V8	RWD	115.1	103.9
HD 2500 Crew Cab 153.7" SLT	6.0L V8	4WD	115.1	103.9
HD 2500 Crew Cab 167.7" SLT	6.0L V8	4WD	115.1	103.9
HD 2500 Crew Cab	6.0L V8	RWD	115.1	103.9
HD 2500 Crew Cab	6.0L V8	4WD	115.1	103.9
HD 2500 Crew Cab Denali	6.0L V8	RWD	115.1	103.9
HD 2500 Crew Cab Denali	6.0L V8	4WD	115.1	103.9
HD 2500 Crew Cab SLE	6.0L V8	RWD	115.1	103.9
HD 2500 Crew Cab SLE	6.0L V8	4WD	115.1	103.9
HD 2500 Crew Cab SLT	6.0L V8	RWD	115.1	103.9
HD 2500 Crew Cab SLT	6.0L V8	4WD	115.1	103.9
HD 2500 Extended Cab	6.0L V8	RWD	115.1	87.9
HD 2500 Extended Cab	6.0L V8	4WD	115.1	87.9
HD 2500 Extended Cab SLE	6.0L V8	RWD	115.1	87.9
HD 2500 Extended Cab SLE	6.0L V8	4WD	115.1	87.9
HD 2500 Regular Cab	6.0L V8	4WD	115.1