2003 GMC Sierra 1500 Interior

5 / 3 / 6
Seating: 41.3 in
Front legroom: 33.7 in
Rear legroom: 41 in
Front headroom

Catalog dataManufacturer figures stored on configuration rows

Compare configurations

Configuration	Seats	Rear leg	Rear head
Denali 4x4 Extended Cab 6.5 ft. box 143.5 in. WB	5	33.7 in	38.4 in
Base 4x4 Regular Cab 6.5 ft. box 119 in. WB	3	—	—
SLE 4x4 Regular Cab 6.5 ft. box 119 in. WB	3	—	—
Base 4x4 Regular Cab 8 ft. box 133 in. WB	3	—	—
SLE 4x4 Regular Cab 8 ft. box 133 in. WB	3	—	—
Work Truck 4x4 Regular Cab 8 ft. box 133 in. WB	3	—	—
Base 4x4 Extended Cab 6.5 ft. box 143.5 in. WB	6	33.7 in	38.4 in
SLE 4x4 Extended Cab 6.5 ft. box 143.5 in. WB	6	33.7 in	38.4 in
SLT 4x4 Extended Cab 6.5 ft. box 143.5 in. WB	6	33.7 in	38.4 in
Base 4x4 Extended Cab 8 ft. box 157.5 in. WB	6	33.7 in	38.4 in
SLE 4x4 Extended Cab 8 ft. box 157.5 in. WB	6	33.7 in	38.4 in
SLT 4x4 Extended Cab 8 ft. box 157.5 in. WB	6	33.7 in	38.4 in
Base 4x2 Regular Cab 6.5 ft. box 119 in. WB	3	—	—
SLE 4x2 Regular Cab 6.5 ft. box 119 in. WB	3	—	—
Base 4x2 Regular Cab 8 ft. box 133 in. WB	3	—	—
SLE 4x2 Regular Cab 8 ft. box 133 in. WB	3	—	—
Work Truck 4x2 Regular Cab 8 ft. box 133 in. WB	3	—	—
Base 4x2 Extended Cab 6.5 ft. box 143.5 in. WB	6	33.7 in	38.4 in
SLE 4x2 Extended Cab 6.5 ft. box 143.5 in. WB	6	33.7 in	38.4 in
SLT 4x2 Extended Cab 6.5 ft. box 143.5 in. WB	6	33.7 in	38.4 in
Work Truck 4x2 Extended Cab 6.5 ft. box 143.5 in. WB	6	33.7 in	38.4 in
Base 4x2 Extended Cab 8 ft. box 157.5 in. WB	6	33.7 in	38.4 in
SLE 4x2 Extended Cab 8 ft. box 157.5 in. WB	6	33.7 in	38.4 in
SLT 4x2 Extended Cab 8 ft. box 157.5 in. WB	6	33.7 in	38.4 in

Compare two configurations

No luggage/cargo volume is stored on these configuration rows. Passenger room figures are shown where present. Exterior width is not usable cargo width.