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2026 GMC Sierra 2500HD Dimensions

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Dimensions

Find 2026 GMC Sierra 2500HD interior, exterior and cargo dimensions for the trims and styles available. Choose the desired trim / style from the dropdown list to see the corresponding dimensions.

4x4 AT4 4dr Crew Cab SB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 250.6999969482422 in
Width 81.9000015258789 in
Height 79.80000305175781 in
Wheel Base 158.89999389648438 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 AT4 4dr Crew Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 266.79998779296875 in
Width 81.9000015258789 in
Height 79.5999984741211 in
Wheel Base 172.0 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 AT4X 4dr Crew Cab SB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 250.6999969482422 in
Width 81.9000015258789 in
Height 82.69999694824219 in
Wheel Base 158.89999389648438 in
Ground Clearance 11.600000381469727 in
Front Track 69.30000305175781 in
Rear Track 70.0 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 Denali 4dr Crew Cab SB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 250.6999969482422 in
Width 81.9000015258789 in
Height 79.80000305175781 in
Wheel Base 158.89999389648438 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 Denali 4dr Crew Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 266.79998779296875 in
Width 81.9000015258789 in
Height 79.5999984741211 in
Wheel Base 172.0 in
Ground Clearance 10.300000190734863 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 Denali Ultimate 4dr Crew Cab SB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 250.6999969482422 in
Width 81.9000015258789 in
Height 79.80000305175781 in
Wheel Base 158.89999389648438 in
Ground Clearance 10.300000190734863 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 Denali Ultimate 4dr Crew Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 266.79998779296875 in
Width 81.9000015258789 in
Height 79.5999984741211 in
Wheel Base 172.0 in
Ground Clearance 10.300000190734863 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x2 Pro 4dr Crew Cab SB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 250.6999969482422 in
Width 81.9000015258789 in
Height 79.80000305175781 in
Wheel Base 158.89999389648438 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 Pro 4dr Crew Cab SB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 250.6999969482422 in
Width 81.9000015258789 in
Height 79.80000305175781 in
Wheel Base 158.89999389648438 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x2 Pro 4dr Crew Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 266.79998779296875 in
Width 81.9000015258789 in
Height 79.5999984741211 in
Wheel Base 172.0 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 Pro 4dr Crew Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 266.79998779296875 in
Width 81.9000015258789 in
Height 79.5999984741211 in
Wheel Base 172.0 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x2 Pro 4dr Double Cab SB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 39.900001525878906 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 64.9000015258789 in
Leg Room Front 44.5 in
Leg Room Rear 35.20000076293945 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 241.1999969482422 in
Width 81.9000015258789 in
Height 80.0 in
Wheel Base 149.39999389648438 in
Ground Clearance 10.199999809265137 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 Pro 4dr Double Cab SB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 39.900001525878906 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 64.9000015258789 in
Leg Room Front 44.5 in
Leg Room Rear 35.20000076293945 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 241.1999969482422 in
Width 81.9000015258789 in
Height 80.0 in
Wheel Base 149.39999389648438 in
Ground Clearance 10.199999809265137 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x2 Pro 4dr Double Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 39.900001525878906 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 64.9000015258789 in
Leg Room Front 44.5 in
Leg Room Rear 35.20000076293945 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 257.20001220703125 in
Width 81.9000015258789 in
Height 79.80000305175781 in
Wheel Base 162.5 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 Pro 4dr Double Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 39.900001525878906 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 64.9000015258789 in
Leg Room Front 44.5 in
Leg Room Rear 35.20000076293945 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 257.20001220703125 in
Width 81.9000015258789 in
Height 79.80000305175781 in
Wheel Base 162.5 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x2 Pro 2dr Regular Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.099998474121094 in
Head Room Rear -
Hip Room Front 60.900001525878906 in
Hip Room Rear -
Shoulder Room Front 66.0999984741211 in
Shoulder Room Rear -
Leg Room Front 44.5 in
Leg Room Rear -
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 236.3000030517578 in
Width 81.69999694824219 in
Height 79.9000015258789 in
Wheel Base 141.60000610351562 in
Ground Clearance 10.199999809265137 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 Pro 2dr Regular Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.099998474121094 in
Head Room Rear -
Hip Room Front 60.900001525878906 in
Hip Room Rear -
Shoulder Room Front 66.0999984741211 in
Shoulder Room Rear -
Leg Room Front 44.5 in
Leg Room Rear -
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 236.3000030517578 in
Width 81.69999694824219 in
Height 79.9000015258789 in
Wheel Base 141.60000610351562 in
Ground Clearance 10.199999809265137 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 SLE 4dr Crew Cab SB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 250.6999969482422 in
Width 81.9000015258789 in
Height 79.80000305175781 in
Wheel Base 158.89999389648438 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 SLE 4dr Crew Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 266.79998779296875 in
Width 81.9000015258789 in
Height 79.5999984741211 in
Wheel Base 172.0 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 SLE 4dr Double Cab SB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 39.900001525878906 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 64.9000015258789 in
Leg Room Front 44.5 in
Leg Room Rear 35.20000076293945 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 241.1999969482422 in
Width 81.9000015258789 in
Height 80.0 in
Wheel Base 149.39999389648438 in
Ground Clearance 10.199999809265137 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 SLE 4dr Double Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 39.900001525878906 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 64.9000015258789 in
Leg Room Front 44.5 in
Leg Room Rear 35.20000076293945 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 257.20001220703125 in
Width 81.9000015258789 in
Height 79.80000305175781 in
Wheel Base 162.5 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 SLE 2dr Regular Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.099998474121094 in
Head Room Rear -
Hip Room Front 60.900001525878906 in
Hip Room Rear -
Shoulder Room Front 66.0999984741211 in
Shoulder Room Rear -
Leg Room Front 44.5 in
Leg Room Rear -
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 236.3000030517578 in
Width 81.69999694824219 in
Height 79.9000015258789 in
Wheel Base 141.60000610351562 in
Ground Clearance 10.199999809265137 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 SLT 4dr Crew Cab SB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 250.6999969482422 in
Width 81.9000015258789 in
Height 79.80000305175781 in
Wheel Base 158.89999389648438 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -

4x4 SLT 4dr Crew Cab LB

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.099998474121094 in
Hip Room Front 61.20000076293945 in
Hip Room Rear 60.20000076293945 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.30000305175781 in
Leg Room Front 44.5 in
Leg Room Rear 43.400001525878906 in
Interior Volume -
Passenger Volume -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 266.79998779296875 in
Width 81.9000015258789 in
Height 79.5999984741211 in
Wheel Base 172.0 in
Ground Clearance 10.100000381469727 in
Front Track 68.0999984741211 in
Rear Track 68.30000305175781 in

Cargo Dimensions

Cargo Volume Rear Seats Down -
Cargo Volume 3rd Row Down -