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2025 GMC Sierra 3500HD CC Dimensions

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Dimensions

Find 2025 GMC Sierra 3500HD CC 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.

4x2 Pro 2dr Regular Cab SWB Chassis

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear -
Hip Room Front 60.9 in
Hip Room Rear -
Shoulder Room Front 66.1 in
Shoulder Room Rear -
Leg Room Front 44.5 in
Leg Room Rear -
Interior Volume -
Passenger Volume -
Passenger Volume Third Row -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 239.8 in
Length w/o Bumpers -
Width 89.1 in
Width w/o Mirrors 89.1 in
Height 80.1 in
Wheel Base 146.3 in
Ground Clearance 8.1 in
Front Track 68.1 in
Rear Track 75.0 in

Cargo Dimensions

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

4x2 Pro 2dr Regular Cab LWB Chassis

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear -
Hip Room Front 60.9 in
Hip Room Rear -
Shoulder Room Front 66.1 in
Shoulder Room Rear -
Leg Room Front 44.5 in
Leg Room Rear -
Interior Volume -
Passenger Volume -
Passenger Volume Third Row -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 264.3 in
Length w/o Bumpers -
Width 89.1 in
Width w/o Mirrors 89.1 in
Height 80.1 in
Wheel Base 170.8 in
Ground Clearance 8.1 in
Front Track 68.1 in
Rear Track 75.0 in

Cargo Dimensions

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

4x2 SLE 2dr Regular Cab SWB Chassis

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear -
Hip Room Front 60.9 in
Hip Room Rear -
Shoulder Room Front 66.1 in
Shoulder Room Rear -
Leg Room Front 44.5 in
Leg Room Rear -
Interior Volume -
Passenger Volume -
Passenger Volume Third Row -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 239.8 in
Length w/o Bumpers -
Width 89.1 in
Width w/o Mirrors 89.1 in
Height 80.1 in
Wheel Base 146.3 in
Ground Clearance 8.1 in
Front Track 68.1 in
Rear Track 75.0 in

Cargo Dimensions

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

4x2 SLE 2dr Regular Cab LWB Chassis

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear -
Hip Room Front 60.9 in
Hip Room Rear -
Shoulder Room Front 66.1 in
Shoulder Room Rear -
Leg Room Front 44.5 in
Leg Room Rear -
Interior Volume -
Passenger Volume -
Passenger Volume Third Row -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 264.3 in
Length w/o Bumpers -
Width 89.1 in
Width w/o Mirrors 89.1 in
Height 80.1 in
Wheel Base 170.8 in
Ground Clearance 8.1 in
Front Track 68.1 in
Rear Track 75.0 in

Cargo Dimensions

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

4x4 Pro 2dr Regular Cab SWB Chassis

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear -
Hip Room Front 60.9 in
Hip Room Rear -
Shoulder Room Front 66.1 in
Shoulder Room Rear -
Leg Room Front 44.5 in
Leg Room Rear -
Interior Volume -
Passenger Volume -
Passenger Volume Third Row -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 239.8 in
Length w/o Bumpers -
Width 89.1 in
Width w/o Mirrors 89.1 in
Height 80.1 in
Wheel Base 146.3 in
Ground Clearance 8.1 in
Front Track 68.1 in
Rear Track 75.0 in

Cargo Dimensions

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

4x4 Pro 2dr Regular Cab LWB Chassis

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear -
Hip Room Front 60.9 in
Hip Room Rear -
Shoulder Room Front 66.1 in
Shoulder Room Rear -
Leg Room Front 44.5 in
Leg Room Rear -
Interior Volume -
Passenger Volume -
Passenger Volume Third Row -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 264.3 in
Length w/o Bumpers -
Width 89.1 in
Width w/o Mirrors 89.1 in
Height 80.1 in
Wheel Base 170.8 in
Ground Clearance 8.1 in
Front Track 68.1 in
Rear Track 75.0 in

Cargo Dimensions

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

4x4 SLE 2dr Regular Cab SWB Chassis

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear -
Hip Room Front 60.9 in
Hip Room Rear -
Shoulder Room Front 66.1 in
Shoulder Room Rear -
Leg Room Front 44.5 in
Leg Room Rear -
Interior Volume -
Passenger Volume -
Passenger Volume Third Row -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 239.8 in
Length w/o Bumpers -
Width 89.1 in
Width w/o Mirrors 89.1 in
Height 80.1 in
Wheel Base 146.3 in
Ground Clearance 8.1 in
Front Track 68.1 in
Rear Track 75.0 in

Cargo Dimensions

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

4x4 SLE 2dr Regular Cab LWB Chassis

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear -
Hip Room Front 60.9 in
Hip Room Rear -
Shoulder Room Front 66.1 in
Shoulder Room Rear -
Leg Room Front 44.5 in
Leg Room Rear -
Interior Volume -
Passenger Volume -
Passenger Volume Third Row -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 264.3 in
Length w/o Bumpers -
Width 89.1 in
Width w/o Mirrors 89.1 in
Height 80.1 in
Wheel Base 170.8 in
Ground Clearance 8.1 in
Front Track 68.1 in
Rear Track 75.0 in

Cargo Dimensions

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

4x2 Pro 4dr Crew Cab Chassis

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.1 in
Hip Room Front 61.2 in
Hip Room Rear 60.2 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.3 in
Leg Room Front 44.5 in
Leg Room Rear 43.4 in
Interior Volume -
Passenger Volume -
Passenger Volume Third Row -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 270.3 in
Length w/o Bumpers -
Width 89.1 in
Width w/o Mirrors 89.1 in
Height 80.1 in
Wheel Base 176.8 in
Ground Clearance 8.1 in
Front Track 68.1 in
Rear Track 75.0 in

Cargo Dimensions

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

4x2 SLE 4dr Crew Cab Chassis

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.1 in
Hip Room Front 61.2 in
Hip Room Rear 60.2 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.3 in
Leg Room Front 44.5 in
Leg Room Rear 43.4 in
Interior Volume -
Passenger Volume -
Passenger Volume Third Row -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 270.3 in
Length w/o Bumpers -
Width 89.1 in
Width w/o Mirrors 89.1 in
Height 80.1 in
Wheel Base 176.8 in
Ground Clearance 8.1 in
Front Track 68.1 in
Rear Track 75.0 in

Cargo Dimensions

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

4x4 Pro 4dr Crew Cab Chassis

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.1 in
Hip Room Front 61.2 in
Hip Room Rear 60.2 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.3 in
Leg Room Front 44.5 in
Leg Room Rear 43.4 in
Interior Volume -
Passenger Volume -
Passenger Volume Third Row -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 270.3 in
Length w/o Bumpers -
Width 89.1 in
Width w/o Mirrors 89.1 in
Height 80.1 in
Wheel Base 176.8 in
Ground Clearance 8.1 in
Front Track 68.1 in
Rear Track 75.0 in

Cargo Dimensions

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

4x4 SLE 4dr Crew Cab Chassis

Interior Dimensions

Cargo Volume -
Head Room Front 43.0 in
Head Room Rear 40.1 in
Hip Room Front 61.2 in
Hip Room Rear 60.2 in
Shoulder Room Front 66.0 in
Shoulder Room Rear 65.3 in
Leg Room Front 44.5 in
Leg Room Rear 43.4 in
Interior Volume -
Passenger Volume -
Passenger Volume Third Row -
Head Room Third Row -
Hip Room Third Row -
Shoulder Room Third Row -
Leg Room Third Row -

Exterior Dimensions

Length 270.3 in
Length w/o Bumpers -
Width 89.1 in
Width w/o Mirrors 89.1 in
Height 80.1 in
Wheel Base 176.8 in
Ground Clearance 8.1 in
Front Track 68.1 in
Rear Track 75.0 in

Cargo Dimensions

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