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Specifications Comparison: 2021 GMC Sierra 3500 vs 2018 GMC Sierra 3500

Researched By The AutoPadre Staff

Height

2021 GMC Sierra 3500

Height

Trim Eng. Drive train Height (in) Height (ft) Height (cm) Height (m)
HD Crew Cab6.6L V8RWD806.672032.03
HD Crew Cab6.6L V8RWD806.672032.03
HD Crew Cab6.6L V84WD806.672032.03
HD Crew Cab6.6L V84WD806.672032.03
HD Crew Cab AT46.6L V84WD806.672032.03
HD Crew Cab AT46.6L V84WD806.672032.03
HD Crew Cab Denali6.6L V84WD806.672032.03
HD Crew Cab Denali6.6L V84WD806.672032.03
HD Crew Cab SLE6.6L V8RWD806.672032.03
HD Crew Cab SLE6.6L V8RWD806.672032.03
HD Crew Cab SLE6.6L V84WD806.672032.03
HD Crew Cab SLE6.6L V84WD806.672032.03
HD Crew Cab SLT6.6L V8RWD806.672032.03
HD Crew Cab SLT6.6L V8RWD806.672032.03
HD Crew Cab SLT6.6L V84WD806.672032.03
HD Crew Cab SLT6.6L V84WD806.672032.03
HD Extended Cab6.6L V8RWD806.672032.03
HD Extended Cab6.6L V8RWD806.672032.03
HD Extended Cab6.6L V84WD806.672032.03
HD Extended Cab6.6L V84WD806.672032.03
HD Extended Cab SLE6.6L V8RWD806.672032.03
HD Extended Cab SLE6.6L V8RWD806.672032.03
HD Extended Cab SLE6.6L V84WD806.672032.03
HD Extended Cab SLE6.6L V84WD806.672032.03
HD Regular Cab6.6L V8RWD806.672032.03
HD Regular Cab6.6L V8RWD806.672032.03
HD Regular Cab6.6L V84WD806.672032.03
HD Regular Cab6.6L V84WD806.672032.03
HD Regular Cab SLE6.6L V8RWD806.672032.03
HD Regular Cab SLE6.6L V8RWD806.672032.03
HD Regular Cab SLE6.6L V84WD806.672032.03
HD Regular Cab SLE6.6L V84WD806.672032.03

2018 GMC Sierra 3500

Height

Trim Eng. Drive train Height (in) Height (ft) Height (cm) Height (m)
HD 3500 Crew Cab6.0L V8RWD78.36.52198.91.99
HD 3500 Crew Cab6.0L V84WD78.26.52198.61.99
HD 3500 Crew Cab Denali6.0L V8RWD78.36.52198.91.99
HD 3500 Crew Cab Denali6.0L V84WD78.26.52198.61.99
HD 3500 Crew Cab SLE6.0L V8RWD78.36.52198.91.99
HD 3500 Crew Cab SLE6.0L V84WD78.26.52198.61.99
HD 3500 Crew Cab SLT6.0L V8RWD78.36.52198.91.99
HD 3500 Crew Cab SLT6.0L V84WD78.26.52198.61.99
HD 3500 Extended Cab6.0L V8RWD786.5198.11.98
HD 3500 Extended Cab6.0L V84WD786.5198.11.98
HD 3500 Extended Cab SLE6.0L V8RWD786.5198.11.98
HD 3500 Extended Cab SLE6.0L V84WD786.5198.11.98
HD 3500 Extended Cab SLT6.0L V8RWD786.5198.11.98
HD 3500 Extended Cab SLT786.5198.11.98
HD 3500 Regular Cab6.0L V8RWD77.86.48197.61.98
HD 3500 Regular Cab6.0L V84WD77.26.43196.11.96
HD 3500 Regular Cab SLE6.0L V8RWD77.86.48197.61.98
HD 3500 Regular Cab SLE6.0L V84WD77.26.43196.11.96

Length

2021 GMC Sierra 3500

Length

Trim Eng. Drive train Length (in) Length (ft) Length (cm) Length (m)
HD Crew Cab6.6L V8RWD26622.176756.76
HD Crew Cab6.6L V8RWD26622.176756.76
HD Crew Cab6.6L V84WD26622.176756.76
HD Crew Cab6.6L V84WD26622.176756.76
HD Crew Cab AT46.6L V84WD25020.836356.35
HD Crew Cab AT46.6L V84WD25020.836356.35
HD Crew Cab Denali6.6L V84WD26622.176756.76
HD Crew Cab Denali6.6L V84WD26622.176756.76
HD Crew Cab SLE6.6L V8RWD25020.836356.35
HD Crew Cab SLE6.6L V8RWD25020.836356.35
HD Crew Cab SLE6.6L V84WD25020.836356.35
HD Crew Cab SLE6.6L V84WD25020.836356.35
HD Crew Cab SLT6.6L V8RWD25020.836356.35
HD Crew Cab SLT6.6L V8RWD25020.836356.35
HD Crew Cab SLT6.6L V84WD25020.836356.35
HD Crew Cab SLT6.6L V84WD25020.836356.35
HD Extended Cab6.6L V8RWD25621.336506.5
HD Extended Cab6.6L V8RWD25621.336506.5
HD Extended Cab6.6L V84WD25621.336506.5
HD Extended Cab6.6L V84WD25621.336506.5
HD Extended Cab SLE6.6L V8RWD25621.336506.5
HD Extended Cab SLE6.6L V8RWD25621.336506.5
HD Extended Cab SLE6.6L V84WD25621.336506.5
HD Extended Cab SLE6.6L V84WD25621.336506.5
HD Regular Cab6.6L V8RWD23519.585965.97
HD Regular Cab6.6L V8RWD23519.585965.97
HD Regular Cab6.6L V84WD23519.585965.97
HD Regular Cab6.6L V84WD23519.585965.97
HD Regular Cab SLE6.6L V8RWD23519.585965.97
HD Regular Cab SLE6.6L V8RWD23519.585965.97
HD Regular Cab SLE6.6L V84WD23519.585965.97
HD Regular Cab SLE6.6L V84WD23519.585965.97

2018 GMC Sierra 3500

Length

Trim Eng. Drive train Length (in) Length (ft) Length (cm) Length (m)
HD 3500 Crew Cab6.0L V8RWD239.519.96608.36.08
HD 3500 Crew Cab6.0L V84WD239.519.96608.36.08
HD 3500 Crew Cab Denali6.0L V8RWD239.519.96608.36.08
HD 3500 Crew Cab Denali6.0L V84WD239.519.96608.36.08
HD 3500 Crew Cab SLE6.0L V8RWD239.519.96608.36.08
HD 3500 Crew Cab SLE6.0L V84WD239.519.96608.36.08
HD 3500 Crew Cab SLT6.0L V8RWD239.519.96608.36.08
HD 3500 Crew Cab SLT6.0L V84WD239.519.96608.36.08
HD 3500 Extended Cab6.0L V8RWD248.920.74632.26.32
HD 3500 Extended Cab6.0L V84WD248.920.74632.26.32
HD 3500 Extended Cab SLE6.0L V8RWD248.920.74632.26.32
HD 3500 Extended Cab SLE6.0L V84WD248.920.74632.26.32
HD 3500 Extended Cab SLT6.0L V8RWD248.920.74632.26.32
HD 3500 Extended Cab SLT248.920.74632.26.32
HD 3500 Regular Cab6.0L V8RWD224.418.75705.7
HD 3500 Regular Cab6.0L V84WD224.418.75705.7
HD 3500 Regular Cab SLE6.0L V8RWD224.418.75705.7
HD 3500 Regular Cab SLE6.0L V84WD224.418.75705.7

Width Without Mirrors

2021 GMC Sierra 3500

Width W/O Mirrors

Trim Eng. Drive train Width W/O Mirrors (in) Width W/O Mirrors (ft) Width W/O Mirrors (cm) Width W/O Mirrors (m)
HD Crew Cab6.6L V8RWD81.86.822072.08
HD Crew Cab6.6L V8RWD81.86.822072.08
HD Crew Cab6.6L V84WD81.86.822072.08
HD Crew Cab6.6L V84WD81.86.822072.08
HD Crew Cab AT46.6L V84WD81.86.822072.08
HD Crew Cab AT46.6L V84WD81.86.822072.08
HD Crew Cab Denali6.6L V84WD81.86.822072.08
HD Crew Cab Denali6.6L V84WD81.86.822072.08
HD Crew Cab SLE6.6L V8RWD81.86.822072.08
HD Crew Cab SLE6.6L V8RWD81.86.822072.08
HD Crew Cab SLE6.6L V84WD81.86.822072.08
HD Crew Cab SLE6.6L V84WD81.86.822072.08
HD Crew Cab SLT6.6L V8RWD81.86.822072.08
HD Crew Cab SLT6.6L V8RWD81.86.822072.08
HD Crew Cab SLT6.6L V84WD81.86.822072.08
HD Crew Cab SLT6.6L V84WD81.86.822072.08
HD Extended Cab6.6L V8RWD81.86.822072.08
HD Extended Cab6.6L V8RWD81.86.822072.08
HD Extended Cab6.6L V84WD81.86.822072.08
HD Extended Cab6.6L V84WD81.86.822072.08
HD Extended Cab SLE6.6L V8RWD81.86.822072.08
HD Extended Cab SLE6.6L V8RWD81.86.822072.08
HD Extended Cab SLE6.6L V84WD81.86.822072.08
HD Extended Cab SLE6.6L V84WD81.86.822072.08
HD Regular Cab6.6L V8RWD81.86.822072.08
HD Regular Cab6.6L V8RWD81.86.822072.08
HD Regular Cab6.6L V84WD81.86.822072.08
HD Regular Cab6.6L V84WD81.86.822072.08
HD Regular Cab SLE6.6L V8RWD81.86.822072.08
HD Regular Cab SLE6.6L V8RWD81.86.822072.08
HD Regular Cab SLE6.6L V84WD81.86.822072.08
HD Regular Cab SLE6.6L V84WD81.86.822072.08

2018 GMC Sierra 3500

Width W/O Mirrors

Trim Eng. Drive train Width W/O Mirrors (in) Width W/O Mirrors (ft) Width W/O Mirrors (cm) Width W/O Mirrors (m)
HD 3500 Crew Cab6.0L V8RWD80.56.71204.52.04
HD 3500 Crew Cab6.0L V84WD80.56.71204.52.04
HD 3500 Crew Cab Denali6.0L V8RWD80.56.71204.52.04
HD 3500 Crew Cab Denali6.0L V84WD80.56.71204.52.04
HD 3500 Crew Cab SLE6.0L V8RWD80.56.71204.52.04
HD 3500 Crew Cab SLE6.0L V84WD80.56.71204.52.04
HD 3500 Crew Cab SLT6.0L V8RWD80.56.71204.52.04
HD 3500 Crew Cab SLT6.0L V84WD80.56.71204.52.04
HD 3500 Extended Cab6.0L V8RWD80.56.71204.52.04
HD 3500 Extended Cab6.0L V84WD80.56.71204.52.04
HD 3500 Extended Cab SLE6.0L V8RWD80.56.71204.52.04
HD 3500 Extended Cab SLE6.0L V84WD80.56.71204.52.04
HD 3500 Extended Cab SLT6.0L V8RWD80.56.71204.52.04
HD 3500 Extended Cab SLT80.56.71204.52.04
HD 3500 Regular Cab6.0L V8RWD80.16.67203.52.04
HD 3500 Regular Cab6.0L V84WD80.16.67203.52.04
HD 3500 Regular Cab SLE6.0L V8RWD80.16.67203.52.04
HD 3500 Regular Cab SLE6.0L V84WD80.16.67203.52.04

Wheelbase

2021 GMC Sierra 3500

Wheelbase

Trim Eng. Drive train Wheelbase (in) Wheelbase (ft) Wheelbase (cm) Wheelbase (m)
HD Crew Cab6.6L V8RWD17214.334364.36
HD Crew Cab6.6L V8RWD17214.334364.36
HD Crew Cab6.6L V84WD17214.334364.36
HD Crew Cab6.6L V84WD17214.334364.36
HD Crew Cab AT46.6L V84WD15813.174014.01
HD Crew Cab AT46.6L V84WD15813.174014.01
HD Crew Cab Denali6.6L V84WD17214.334364.36
HD Crew Cab Denali6.6L V84WD17214.334364.36
HD Crew Cab SLE6.6L V8RWD15813.174014.01
HD Crew Cab SLE6.6L V8RWD15813.174014.01
HD Crew Cab SLE6.6L V84WD15813.174014.01
HD Crew Cab SLE6.6L V84WD15813.174014.01
HD Crew Cab SLT6.6L V8RWD15813.174014.01
HD Crew Cab SLT6.6L V8RWD15813.174014.01
HD Crew Cab SLT6.6L V84WD15813.174014.01
HD Crew Cab SLT6.6L V84WD15813.174014.01
HD Extended Cab6.6L V8RWD16213.54114.11
HD Extended Cab6.6L V8RWD16213.54114.11
HD Extended Cab6.6L V84WD16213.54114.11
HD Extended Cab6.6L V84WD16213.54114.11
HD Extended Cab SLE6.6L V8RWD16213.54114.11
HD Extended Cab SLE6.6L V8RWD16213.54114.11
HD Extended Cab SLE6.6L V84WD16213.54114.11
HD Extended Cab SLE6.6L V84WD16213.54114.11
HD Regular Cab6.6L V8RWD14111.753583.58
HD Regular Cab6.6L V8RWD14111.753583.58
HD Regular Cab6.6L V84WD14111.753583.58
HD Regular Cab6.6L V84WD14111.753583.58
HD Regular Cab SLE6.6L V8RWD14111.753583.58
HD Regular Cab SLE6.6L V8RWD14111.753583.58
HD Regular Cab SLE6.6L V84WD14111.753583.58
HD Regular Cab SLE6.6L V84WD14111.753583.58

2018 GMC Sierra 3500

Wheelbase

Trim Eng. Drive train Wheelbase (in) Wheelbase (ft) Wheelbase (cm) Wheelbase (m)
HD 3500 Crew Cab6.0L V8RWD153.712.81390.43.9
HD 3500 Crew Cab6.0L V84WD153.712.81390.43.9
HD 3500 Crew Cab Denali6.0L V8RWD153.712.81390.43.9
HD 3500 Crew Cab Denali6.0L V84WD153.712.81390.43.9
HD 3500 Crew Cab SLE6.0L V8RWD153.712.81390.43.9
HD 3500 Crew Cab SLE6.0L V84WD153.712.81390.43.9
HD 3500 Crew Cab SLT6.0L V8RWD153.712.81390.43.9
HD 3500 Crew Cab SLT6.0L V84WD153.712.81390.43.9
HD 3500 Extended Cab6.0L V8RWD158.113.17401.64.02
HD 3500 Extended Cab6.0L V84WD158.113.17401.64.02
HD 3500 Extended Cab SLE6.0L V8RWD158.113.17401.64.02
HD 3500 Extended Cab SLE6.0L V84WD158.113.17401.64.02
HD 3500 Extended Cab SLT6.0L V8RWD158.113.17401.64.02
HD 3500 Extended Cab SLT158.113.17401.64.02
HD 3500 Regular Cab6.0L V8RWD133.611.13339.33.39
HD 3500 Regular Cab6.0L V84WD133.611.13339.33.39
HD 3500 Regular Cab SLE6.0L V8RWD133.611.13339.33.39
HD 3500 Regular Cab SLE6.0L V84WD133.611.13339.33.39

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