Specifications Comparison: 2006 GMC Sierra 2500 vs 2024 Chevrolet Silverado 2500

Seating Capacity

Trim	Engine	Seating Capacity
HD 2500 Crew Cab SL	V8	5
HD 2500 Crew Cab SL	V8	5
HD 2500 Crew Cab SLE	V8	5
HD 2500 Crew Cab SLE	V8	5
HD 2500 Crew Cab SLT	V8	5
HD 2500 Crew Cab SLT	V8	5
HD 2500 Extended Cab SL	V8	5
HD 2500 Extended Cab SL	V8	5
HD 2500 Extended Cab SLE	V8	5
HD 2500 Extended Cab SLE	V8	5
HD 2500 Extended Cab SLT	V8	5
HD 2500 Extended Cab SLT	V8	5
HD 2500 Regular Cab SL	V8	3
HD 2500 Regular Cab SL	V8	3
HD 2500 Regular Cab SLE	V8	3
HD 2500 Regular Cab SLE	V8	3

Trim	Engine	Seating Capacity	Doors
HD Custom Crew Cab 159"	6.6L V8	6	4
HD Custom Crew Cab 172"	6.6L V8	6	4
HD Custom Double Cab 149"	6.6L V8	6	4
HD Custom Double Cab 162"	6.6L V8	6	4
HD Custom Crew Cab 159"	6.6L V8	6	4
HD Custom Crew Cab 172"	6.6L V8	6	4
HD Custom Double Cab 149"	6.6L V8	6	4
HD Custom Double Cab 162"	6.6L V8	6	4
HD LT Crew Cab 159"	6.6L V8	6	4
HD LT Crew Cab 172"	6.6L V8	6	4
HD LT Double Cab 149"	6.6L V8	6	4
HD LT Double Cab 162"	6.6L V8	6	4
HD LT Reg Cab 142"	6.6L V8	3	2
HD LT Crew Cab 159"	6.6L V8	6	4
HD LT Crew Cab 172"	6.6L V8	6	4
HD LT Double Cab 149"	6.6L V8	6	4
HD LT Double Cab 162"	6.6L V8	6	4
HD LT Reg Cab 142"	6.6L V8	3	2
HD LTZ Crew Cab 159"	6.6L V8	6	4
HD LTZ Crew Cab 172"	6.6L V8	6	4
HD LTZ Double Cab 149"	6.6L V8	6	4
HD LTZ Double Cab 162"	6.6L V8	6	4
HD LTZ Crew Cab 159"	6.6L V8	6	4
HD LTZ Crew Cab 172"	6.6L V8	6	4
HD LTZ Double Cab 149"	6.6L V8	6	4
HD LTZ Double Cab 162"	6.6L V8	6	4
HD Work Crew Cab 159"	6.6L V8	6	4
HD Work Crew Cab 172"	6.6L V8	6	4
HD Work Double Cab 149"	6.6L V8	6	4
HD Work Double Cab 162"	6.6L V8	6	4
HD Work Reg Cab 142"	6.6L V8	3	2
HD Work Crew Cab 159"	6.6L V8	6	4
HD Work Crew Cab 172"	6.6L V8	6	4
HD Work Double Cab 149"	6.6L V8	6	4
HD Work Double Cab 162"	6.6L V8	6	4
HD Work Reg Cab 142"	6.6L V8	3	2
HD High Country Crew Cab 159"	6.6L V8	5	4
HD High Country Crew Cab 172"	6.6L V8	5	4
HD ZR2 Crew Cab 159"	6.6L V8	5	4