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Specifications Comparison: 2018 GMC Sierra 2500 vs 2021 GMC Sierra 2500

Researched By The AutoPadre Staff

Height

2018 GMC Sierra 2500

Height

Trim Eng. Drive train Height (in) Height (ft) Height (cm) Height (m)
HD 2500 Crew Cab6.0L V8RWD78.36.52198.91.99
HD 2500 Crew Cab6.0L V84WD78.26.52198.61.99
HD 2500 Crew Cab Denali6.0L V8RWD78.36.52198.91.99
HD 2500 Crew Cab Denali6.0L V84WD78.26.52198.61.99
HD 2500 Crew Cab SLE6.0L V8RWD78.36.52198.91.99
HD 2500 Crew Cab SLE6.0L V84WD78.26.52198.61.99
HD 2500 Crew Cab SLT6.0L V8RWD78.36.52198.91.99
HD 2500 Crew Cab SLT6.0L V84WD78.26.52198.61.99
HD 2500 Extended Cab6.0L V8RWD78.16.51198.41.98
HD 2500 Extended Cab6.0L V84WD78.16.51198.41.98
HD 2500 Extended Cab SLE6.0L V8RWD78.16.51198.41.98
HD 2500 Extended Cab SLE6.0L V84WD78.16.51198.41.98
HD 2500 Extended Cab SLT6.0L V8RWD78.16.51198.41.98
HD 2500 Extended Cab SLT6.0L V84WD78.16.51198.41.98
HD 2500 Regular Cab6.0L V8RWD77.86.48197.61.98
HD 2500 Regular Cab6.0L V84WD77.86.48197.61.98
HD 2500 Regular Cab SLE6.0L V8RWD77.86.48197.61.98
HD 2500 Regular Cab SLE6.0L V84WD77.86.48197.61.98

2021 GMC Sierra 2500

Height

Trim Eng. Drive train Height (in) Height (ft) Height (cm) Height (m)
HD Crew Cab6.6L V8RWD796.582002.01
HD Crew Cab6.6L V8RWD796.582002.01
HD Crew Cab6.6L V84WD796.582002.01
HD Crew Cab6.6L V84WD796.582002.01
HD Crew Cab AT46.6L V84WD796.582002.01
HD Crew Cab AT46.6L V84WD796.582002.01
HD Crew Cab Denali6.6L V84WD796.582002.01
HD Crew Cab Denali6.6L V84WD796.582002.01
HD Crew Cab SLE6.6L V8RWD796.582002.01
HD Crew Cab SLE6.6L V8RWD796.582002.01
HD Crew Cab SLE6.6L V84WD796.582002.01
HD Crew Cab SLE6.6L V84WD796.582002.01
HD Crew Cab SLT6.6L V8RWD796.582002.01
HD Crew Cab SLT6.6L V8RWD796.582002.01
HD Crew Cab SLT6.6L V84WD796.582002.01
HD Crew Cab SLT6.6L V84WD796.582002.01
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 Extended Cab SLT6.6L V8RWD806.672032.03
HD Extended Cab SLT6.6L V8RWD806.672032.03
HD Extended Cab SLT6.6L V84WD806.672032.03
HD Extended Cab SLT6.6L V84WD806.672032.03
HD Regular Cab6.6L V8RWD796.582002.01
HD Regular Cab6.6L V8RWD796.582002.01
HD Regular Cab6.6L V84WD796.582002.01
HD Regular Cab6.6L V84WD796.582002.01
HD Regular Cab SLE6.6L V8RWD796.582002.01
HD Regular Cab SLE6.6L V8RWD796.582002.01
HD Regular Cab SLE6.6L V84WD796.582002.01
HD Regular Cab SLE6.6L V84WD796.582002.01

Length

2018 GMC Sierra 2500

Length

Trim Eng. Drive train Length (in) Length (ft) Length (cm) Length (m)
HD 2500 Crew Cab6.0L V8RWD239.519.96608.36.08
HD 2500 Crew Cab6.0L V84WD239.519.96608.36.08
HD 2500 Crew Cab Denali6.0L V8RWD239.519.96608.36.08
HD 2500 Crew Cab Denali6.0L V84WD239.519.96608.36.08
HD 2500 Crew Cab SLE6.0L V8RWD239.519.96608.36.08
HD 2500 Crew Cab SLE6.0L V84WD239.519.96608.36.08
HD 2500 Crew Cab SLT6.0L V8RWD239.519.96608.36.08
HD 2500 Crew Cab SLT6.0L V84WD239.519.96608.36.08
HD 2500 Extended Cab6.0L V8RWD23019.17584.25.84
HD 2500 Extended Cab6.0L V84WD23019.17584.25.84
HD 2500 Extended Cab SLE6.0L V8RWD23019.17584.25.84
HD 2500 Extended Cab SLE6.0L V84WD23019.17584.25.84
HD 2500 Extended Cab SLT6.0L V8RWD23019.17584.25.84
HD 2500 Extended Cab SLT6.0L V84WD23019.17584.25.84
HD 2500 Regular Cab6.0L V8RWD224.418.75705.7
HD 2500 Regular Cab6.0L V84WD224.418.75705.7
HD 2500 Regular Cab SLE6.0L V8RWD224.418.75705.7
HD 2500 Regular Cab SLE6.0L V84WD224.418.75705.7

2021 GMC Sierra 2500

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 V84WD25020.836356.35
HD Crew Cab6.6L V84WD25020.836356.35
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 V8RWD24020.06096.1
HD Extended Cab6.6L V8RWD24020.06096.1
HD Extended Cab6.6L V84WD24020.06096.1
HD Extended Cab6.6L V84WD24020.06096.1
HD Extended Cab SLE6.6L V8RWD24020.06096.1
HD Extended Cab SLE6.6L V8RWD24020.06096.1
HD Extended Cab SLE6.6L V84WD24020.06096.1
HD Extended Cab SLE6.6L V84WD24020.06096.1
HD Extended Cab SLT6.6L V8RWD24020.06096.1
HD Extended Cab SLT6.6L V8RWD24020.06096.1
HD Extended Cab SLT6.6L V84WD24020.06096.1
HD Extended Cab SLT6.6L V84WD24020.06096.1
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

Width Without Mirrors

2018 GMC Sierra 2500

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 2500 Crew Cab6.0L V8RWD80.56.71204.52.04
HD 2500 Crew Cab6.0L V84WD80.56.71204.52.04
HD 2500 Crew Cab Denali6.0L V8RWD80.56.71204.52.04
HD 2500 Crew Cab Denali6.0L V84WD80.56.71204.52.04
HD 2500 Crew Cab SLE6.0L V8RWD80.56.71204.52.04
HD 2500 Crew Cab SLE6.0L V84WD80.56.71204.52.04
HD 2500 Crew Cab SLT6.0L V8RWD80.56.71204.52.04
HD 2500 Crew Cab SLT6.0L V84WD80.56.71204.52.04
HD 2500 Extended Cab6.0L V8RWD80.56.71204.52.04
HD 2500 Extended Cab6.0L V84WD80.56.71204.52.04
HD 2500 Extended Cab SLE6.0L V8RWD80.56.71204.52.04
HD 2500 Extended Cab SLE6.0L V84WD80.56.71204.52.04
HD 2500 Extended Cab SLT6.0L V8RWD80.56.71204.52.04
HD 2500 Extended Cab SLT6.0L V84WD80.56.71204.52.04
HD 2500 Regular Cab6.0L V8RWD80.16.67203.52.04
HD 2500 Regular Cab6.0L V84WD80.16.67203.52.04
HD 2500 Regular Cab SLE6.0L V8RWD80.16.67203.52.04
HD 2500 Regular Cab SLE6.0L V84WD80.16.67203.52.04

2021 GMC Sierra 2500

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 Extended Cab SLT6.6L V8RWD81.86.822072.08
HD Extended Cab SLT6.6L V8RWD81.86.822072.08
HD Extended Cab SLT6.6L V84WD81.86.822072.08
HD Extended Cab SLT6.6L 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

Wheelbase

2018 GMC Sierra 2500

Wheelbase

Trim Eng. Drive train Wheelbase (in) Wheelbase (ft) Wheelbase (cm) Wheelbase (m)
HD 2500 Crew Cab6.0L V8RWD153.712.81390.43.9
HD 2500 Crew Cab6.0L V84WD153.712.81390.43.9
HD 2500 Crew Cab Denali6.0L V8RWD153.712.81390.43.9
HD 2500 Crew Cab Denali6.0L V84WD153.712.81390.43.9
HD 2500 Crew Cab SLE6.0L V8RWD153.712.81390.43.9
HD 2500 Crew Cab SLE6.0L V84WD153.712.81390.43.9
HD 2500 Crew Cab SLT6.0L V8RWD153.712.81390.43.9
HD 2500 Crew Cab SLT6.0L V84WD153.712.81390.43.9
HD 2500 Extended Cab6.0L V8RWD144.212.02366.33.66
HD 2500 Extended Cab6.0L V84WD144.212.02366.33.66
HD 2500 Extended Cab SLE6.0L V8RWD144.212.02366.33.66
HD 2500 Extended Cab SLE6.0L V84WD144.212.02366.33.66
HD 2500 Extended Cab SLT6.0L V8RWD144.212.02366.33.66
HD 2500 Extended Cab SLT6.0L V84WD144.212.02366.33.66
HD 2500 Regular Cab6.0L V8RWD133.611.13339.33.39
HD 2500 Regular Cab6.0L V84WD133.611.13339.33.39
HD 2500 Regular Cab SLE6.0L V8RWD133.611.13339.33.39
HD 2500 Regular Cab SLE6.0L V84WD133.611.13339.33.39

2021 GMC Sierra 2500

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 V84WD15813.174014.01
HD Crew Cab6.6L V84WD15813.174014.01
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 V8RWD14912.423783.78
HD Extended Cab6.6L V8RWD14912.423783.78
HD Extended Cab6.6L V84WD14912.423783.78
HD Extended Cab6.6L V84WD14912.423783.78
HD Extended Cab SLE6.6L V8RWD14912.423783.78
HD Extended Cab SLE6.6L V8RWD14912.423783.78
HD Extended Cab SLE6.6L V84WD14912.423783.78
HD Extended Cab SLE6.6L V84WD14912.423783.78
HD Extended Cab SLT6.6L V8RWD14912.423783.78
HD Extended Cab SLT6.6L V8RWD14912.423783.78
HD Extended Cab SLT6.6L V84WD14912.423783.78
HD Extended Cab SLT6.6L V84WD14912.423783.78
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

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