Specifications Comparison: 2003 Chevrolet Silverado 1500 vs 2023 Chevrolet Silverado 1500

Seating Capacity

Trim	Engine	Seating Capacity
Extended Cab	V6	6
Extended Cab	V8	6
Extended Cab LS	V6	6
Extended Cab LS	V8	6
Extended Cab LT	V8	5
Extended Cab LT	V8	5
Regular Cab	V6	3
Regular Cab	V6	3
Regular Cab LS	V6	3
Regular Cab LS	V6	3
HD Crew Cab LS	V8	6
HD Crew Cab LS	V8	6
HD Crew Cab LT	V8	5
HD Crew Cab LT	V8	5

Trim	Engine	Seating Capacity	Doors
Custom Crew Cab 147"	2.7L	6	4
Custom Double Cab 147"	2.7L	6	4
Custom Crew Cab 147"	2.7L	6	4
Custom Crew Cab 157"	2.7L	6	4
Custom Double Cab 147"	2.7L	6	4
High Country Crew Cab 147"	5.3L V8	5	4
High Country Crew Cab 147"	5.3L V8	5	4
High Country Crew Cab 157"	5.3L V8	5	4
LT Crew Cab 147"	2.7L	6	4
LT Crew Cab 157"	2.7L	6	4
LT Double Cab 147"	2.7L	6	4
LT Crew Cab 147" w/ 1LT	2.7L	6	4
LT Crew Cab 147" w/ 2FL	2.7L	6	4
LT Crew Cab 157"	2.7L	6	4
LT Double Cab 147" w/ 1LT	2.7L	6	4
LT Double Cab 147" w/ 2FL	2.7L	6	4
LTZ Crew Cab 147"	5.3L V8	5	4
LTZ Crew Cab 147"	5.3L V8	5	4
LTZ Crew Cab 157"	5.3L V8	5	4
RST Crew Cab 147"	5.3L V8	6	4
RST Crew Cab 147"	5.3L V8	6	4
RST Crew Cab 157"	5.3L V8	6	4
RST Double Cab 147"	2.7L	6	4
Work Crew Cab 147"	2.7L	6
Work Crew Cab 157"	2.7L	6
Work Double Cab 147"	2.7L	6
Work Reg Cab 126"	2.7L	3	2
Work Reg Cab 140"	2.7L	3	2
Work Crew Cab 147"	2.7L	6	4
Work Crew Cab 157"	2.7L	6	4
Work Double Cab 147"	2.7L	6	4
Work Reg Cab 126"	2.7L	3	2
Work Reg Cab 140"	2.7L	3	2
Custom Trail Boss Crew Cab 147"	2.7L	6	4
Custom Trail Boss Crew Cab 157"	2.7L	6	4
LT Trail Boss Crew Cab 147"	2.7L	6	4
LT Trail Boss Crew Cab 157"	2.7L	6	4
ZR2 Crew Cab 147"	6.2L V8	5	4