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Specifications Comparison: 2003 GMC Sierra 1500 vs 2021 GMC Sierra 1500

Researched By The AutoPadre Staff

Height

2003 GMC Sierra 1500

Height

Trim Eng. Drive train Height (in) Height (ft) Height (cm) Height (m)
1500 Extended CabV6RWD71.25.93180.81.81
1500 Extended CabV8RWD71.25.93180.81.81
1500 Extended Cab SLEV8RWD71.25.93180.81.81
1500 Extended Cab SLEV84WD73.96.16187.71.88
1500 Extended Cab SLTV8RWD71.25.93180.81.81
1500 Extended Cab SLTV84WD73.96.16187.71.88
1500 Regular CabV6RWD71.25.93180.81.81
1500 Regular CabV84WD73.86.15187.51.88
1500 Regular Cab SLEV8RWD71.25.93180.81.81
1500 Regular Cab SLEV84WD73.86.15187.51.88
HD 1500 Crew Cab SLEV8RWD776.42195.61.96
HD 1500 Crew Cab SLEV84WD77.36.44196.31.96
HD 1500 Crew Cab SLTV8RWD776.42195.61.96
HD 1500 Crew Cab SLTV84WD77.36.44196.31.96
Extended Cab DenaliV8AWD73.96.16187.71.88

2021 GMC Sierra 1500

Height

Trim Eng. Drive train Height (in) Height (ft) Height (cm) Height (m)
Crew Cab4.3L V6RWD756.251901.91
Crew Cab5.3L V8RWD756.251901.91
Crew Cab2.7LRWD756.251901.91
Crew Cab4.3L V64WD756.251901.91
Crew Cab5.3L V84WD756.251901.91
Crew Cab2.7L4WD756.251901.91
Crew Cab AT45.3L V84WD786.51981.98
Crew Cab AT43.0L I64WD786.51981.98
Crew Cab AT46.2L V84WD786.51981.98
Crew Cab Denali5.3L V8RWD756.251901.91
Crew Cab Denali3.0L I6RWD756.251901.91
Crew Cab Denali5.3L V84WD756.251901.91
Crew Cab Denali3.0L I64WD756.251901.91
Crew Cab Denali6.2L V84WD756.251901.91
Crew Cab Elevation2.7LRWD756.251901.91
Crew Cab Elevation5.3L V8RWD756.251901.91
Crew Cab Elevation3.0L I6RWD756.251901.91
Crew Cab Elevation 3VL2.7L4WD756.251901.91
Crew Cab Elevation2.7L4WD756.251901.91
Crew Cab Elevation5.3L V84WD756.251901.91
Crew Cab Elevation3.0L I64WD756.251901.91
Crew Cab SLE2.7LRWD756.251901.91
Crew Cab SLE5.3L V8RWD756.251901.91
Crew Cab SLE3.0L I6RWD756.251901.91
Crew Cab SLE2.7L4WD756.251901.91
Crew Cab SLE5.3L V84WD756.251901.91
Crew Cab SLE3.0L I64WD756.251901.91
Crew Cab SLT5.3L V8RWD756.251901.91
Crew Cab SLT3.0L I6RWD756.251901.91
Crew Cab SLT5.3L V84WD756.251901.91
Crew Cab SLT5.3L I64WD756.251901.91
Crew Cab SLT3.0L V84WD756.251901.91
Extended Cab4.3L V6RWD756.251901.91
Extended Cab5.3L V8RWD756.251901.91
Extended Cab2.7LRWD756.251901.91
Extended Cab4.3L V64WD756.251901.91
Extended Cab5.3L V84WD756.251901.91
Extended Cab2.7L4WD756.251901.91
Extended Cab Elevation2.7LRWD756.251901.91
Extended Cab Elevation5.3L V8RWD756.251901.91
Extended Cab Elevation3.0L I6RWD756.251901.91
Extended Cab Elevation 3VL2.7L4WD756.251901.91
Extended Cab Elevation2.7L4WD756.251901.91
Extended Cab Elevation5.3L V84WD756.251901.91
Extended Cab Elevation3.0L I64WD756.251901.91
Extended Cab SLE2.7LRWD756.251901.91
Extended Cab SLE5.3L V8RWD756.251901.91
Extended Cab SLE3.0L I6RWD756.251901.91
Extended Cab SLE2.7L4WD756.251901.91
Extended Cab SLE5.3L V84WD756.251901.91
Extended Cab SLE3.0L I64WD756.251901.91
Regular Cab4.3L V6RWD756.251901.91
Regular Cab5.3L V8RWD756.251901.91
Regular Cab4.3L V64WD756.251901.91
Regular Cab5.3L V84WD756.251901.91

Length

2003 GMC Sierra 1500

Length

Trim Eng. Drive train Length (in) Length (ft) Length (cm) Length (m)
1500 Extended CabV6RWD227.718.97578.45.78
1500 Extended CabV8RWD227.718.97578.45.78
1500 Extended Cab SLEV8RWD227.718.97578.45.78
1500 Extended Cab SLEV84WD227.718.97578.45.78
1500 Extended Cab SLTV8RWD227.718.97578.45.78
1500 Extended Cab SLTV84WD227.718.97578.45.78
1500 Regular CabV6RWD203.216.93516.15.16
1500 Regular CabV84WD203.216.93516.15.16
1500 Regular Cab SLEV8RWD203.216.93516.15.16
1500 Regular Cab SLEV84WD203.216.93516.15.16
HD 1500 Crew Cab SLEV8RWD237.219.77602.56.03
HD 1500 Crew Cab SLEV84WD237.219.77602.56.03
HD 1500 Crew Cab SLTV8RWD237.219.77602.56.03
HD 1500 Crew Cab SLTV84WD237.219.77602.56.03
Extended Cab DenaliV8AWD227.718.97578.45.78

2021 GMC Sierra 1500

Length

Trim Eng. Drive train Length (in) Length (ft) Length (cm) Length (m)
Crew Cab4.3L V6RWD23119.255865.87
Crew Cab5.3L V8RWD23119.255865.87
Crew Cab2.7LRWD23119.255865.87
Crew Cab4.3L V64WD24120.086126.12
Crew Cab5.3L V84WD24120.086126.12
Crew Cab2.7L4WD24120.086126.12
Crew Cab AT45.3L V84WD23119.255865.87
Crew Cab AT43.0L I64WD23119.255865.87
Crew Cab AT46.2L V84WD23119.255865.87
Crew Cab Denali5.3L V8RWD23119.255865.87
Crew Cab Denali3.0L I6RWD23119.255865.87
Crew Cab Denali5.3L V84WD24120.086126.12
Crew Cab Denali3.0L I64WD24120.086126.12
Crew Cab Denali6.2L V84WD24120.086126.12
Crew Cab Elevation2.7LRWD23119.255865.87
Crew Cab Elevation5.3L V8RWD23119.255865.87
Crew Cab Elevation3.0L I6RWD23119.255865.87
Crew Cab Elevation 3VL2.7L4WD23119.255865.87
Crew Cab Elevation2.7L4WD23119.255865.87
Crew Cab Elevation5.3L V84WD23119.255865.87
Crew Cab Elevation3.0L I64WD23119.255865.87
Crew Cab SLE2.7LRWD23119.255865.87
Crew Cab SLE5.3L V8RWD23119.255865.87
Crew Cab SLE3.0L I6RWD23119.255865.87
Crew Cab SLE2.7L4WD23119.255865.87
Crew Cab SLE5.3L V84WD23119.255865.87
Crew Cab SLE3.0L I64WD23119.255865.87
Crew Cab SLT5.3L V8RWD23119.255865.87
Crew Cab SLT3.0L I6RWD23119.255865.87
Crew Cab SLT5.3L V84WD23119.255865.87
Crew Cab SLT5.3L I64WD23119.255865.87
Crew Cab SLT3.0L V84WD23119.255865.87
Extended Cab4.3L V6RWD23119.255865.87
Extended Cab5.3L V8RWD23119.255865.87
Extended Cab2.7LRWD23119.255865.87
Extended Cab4.3L V64WD23119.255865.87
Extended Cab5.3L V84WD23119.255865.87
Extended Cab2.7L4WD23119.255865.87
Extended Cab Elevation2.7LRWD23119.255865.87
Extended Cab Elevation5.3L V8RWD23119.255865.87
Extended Cab Elevation3.0L I6RWD23119.255865.87
Extended Cab Elevation 3VL2.7L4WD23119.255865.87
Extended Cab Elevation2.7L4WD23119.255865.87
Extended Cab Elevation5.3L V84WD23119.255865.87
Extended Cab Elevation3.0L I64WD23119.255865.87
Extended Cab SLE2.7LRWD23119.255865.87
Extended Cab SLE5.3L V8RWD23119.255865.87
Extended Cab SLE3.0L I6RWD23119.255865.87
Extended Cab SLE2.7L4WD23119.255865.87
Extended Cab SLE5.3L V84WD23119.255865.87
Extended Cab SLE3.0L I64WD23119.255865.87
Regular Cab4.3L V6RWD22919.085815.82
Regular Cab5.3L V8RWD22919.085815.82
Regular Cab4.3L V64WD22919.085815.82
Regular Cab5.3L V84WD22919.085815.82

Width Without Mirrors

2003 GMC Sierra 1500

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)
1500 Extended CabV6RWD78.56.54199.41.99
1500 Extended CabV8RWD78.56.54199.41.99
1500 Extended Cab SLEV8RWD78.56.54199.41.99
1500 Extended Cab SLEV84WD78.56.54199.41.99
1500 Extended Cab SLTV8RWD78.56.54199.41.99
1500 Extended Cab SLTV84WD78.56.54199.41.99
1500 Regular CabV6RWD78.56.54199.41.99
1500 Regular CabV84WD78.56.54199.41.99
1500 Regular Cab SLEV8RWD78.56.54199.41.99
1500 Regular Cab SLEV84WD78.56.54199.41.99
HD 1500 Crew Cab SLEV8RWD79.76.64202.42.02
HD 1500 Crew Cab SLEV84WD79.16.59200.92.01
HD 1500 Crew Cab SLTV8RWD79.76.64202.42.02
HD 1500 Crew Cab SLTV84WD79.16.59200.92.01
Extended Cab DenaliV8AWD83.56.96212.12.12

2021 GMC Sierra 1500

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)
Crew Cab4.3L V6RWD81.26.772062.06
Crew Cab5.3L V8RWD81.26.772062.06
Crew Cab2.7LRWD81.26.772062.06
Crew Cab4.3L V64WD81.26.772062.06
Crew Cab5.3L V84WD81.26.772062.06
Crew Cab2.7L4WD81.26.772062.06
Crew Cab AT45.3L V84WD81.26.772062.06
Crew Cab AT43.0L I64WD81.26.772062.06
Crew Cab AT46.2L V84WD81.26.772062.06
Crew Cab Denali5.3L V8RWD81.26.772062.06
Crew Cab Denali3.0L I6RWD81.26.772062.06
Crew Cab Denali5.3L V84WD81.26.772062.06
Crew Cab Denali3.0L I64WD81.26.772062.06
Crew Cab Denali6.2L V84WD81.26.772062.06
Crew Cab Elevation2.7LRWD81.26.772062.06
Crew Cab Elevation5.3L V8RWD81.26.772062.06
Crew Cab Elevation3.0L I6RWD81.26.772062.06
Crew Cab Elevation 3VL2.7L4WD81.26.772062.06
Crew Cab Elevation2.7L4WD81.26.772062.06
Crew Cab Elevation5.3L V84WD81.26.772062.06
Crew Cab Elevation3.0L I64WD81.26.772062.06
Crew Cab SLE2.7LRWD81.26.772062.06
Crew Cab SLE5.3L V8RWD81.26.772062.06
Crew Cab SLE3.0L I6RWD81.26.772062.06
Crew Cab SLE2.7L4WD81.26.772062.06
Crew Cab SLE5.3L V84WD81.26.772062.06
Crew Cab SLE3.0L I64WD81.26.772062.06
Crew Cab SLT5.3L V8RWD81.26.772062.06
Crew Cab SLT3.0L I6RWD81.26.772062.06
Crew Cab SLT5.3L V84WD81.26.772062.06
Crew Cab SLT5.3L I64WD81.26.772062.06
Crew Cab SLT3.0L V84WD81.26.772062.06
Extended Cab4.3L V6RWD81.26.772062.06
Extended Cab5.3L V8RWD81.26.772062.06
Extended Cab2.7LRWD81.26.772062.06
Extended Cab4.3L V64WD81.26.772062.06
Extended Cab5.3L V84WD81.26.772062.06
Extended Cab2.7L4WD81.26.772062.06
Extended Cab Elevation2.7LRWD81.26.772062.06
Extended Cab Elevation5.3L V8RWD81.26.772062.06
Extended Cab Elevation3.0L I6RWD81.26.772062.06
Extended Cab Elevation 3VL2.7L4WD81.26.772062.06
Extended Cab Elevation2.7L4WD81.26.772062.06
Extended Cab Elevation5.3L V84WD81.26.772062.06
Extended Cab Elevation3.0L I64WD81.26.772062.06
Extended Cab SLE2.7LRWD81.26.772062.06
Extended Cab SLE5.3L V8RWD81.26.772062.06
Extended Cab SLE3.0L I6RWD81.26.772062.06
Extended Cab SLE2.7L4WD81.26.772062.06
Extended Cab SLE5.3L V84WD81.26.772062.06
Extended Cab SLE3.0L I64WD81.26.772062.06
Regular Cab4.3L V6RWD81.26.772062.06
Regular Cab5.3L V8RWD81.26.772062.06
Regular Cab4.3L V64WD81.26.772062.06
Regular Cab5.3L V84WD81.26.772062.06

Wheelbase

2003 GMC Sierra 1500

Wheelbase

Trim Eng. Drive train Wheelbase (in) Wheelbase (ft) Wheelbase (cm) Wheelbase (m)
1500 Extended CabV6RWD143.511.96364.53.65
1500 Extended CabV8RWD143.511.96364.53.65
1500 Extended Cab SLEV8RWD143.511.96364.53.65
1500 Extended Cab SLEV84WD143.511.96364.53.65
1500 Extended Cab SLTV8RWD143.511.96364.53.65
1500 Extended Cab SLTV84WD143.511.96364.53.65
1500 Regular CabV6RWD1199.92302.33.02
1500 Regular CabV84WD1199.92302.33.02
1500 Regular Cab SLEV8RWD1199.92302.33.02
1500 Regular Cab SLEV84WD1199.92302.33.02
HD 1500 Crew Cab SLEV8RWD15312.75388.63.89
HD 1500 Crew Cab SLEV84WD15312.75388.63.89
HD 1500 Crew Cab SLTV8RWD15312.75388.63.89
HD 1500 Crew Cab SLTV84WD15312.75388.63.89
Extended Cab DenaliV8AWD143.511.96364.53.65

2021 GMC Sierra 1500

Wheelbase

Trim Eng. Drive train Wheelbase (in) Wheelbase (ft) Wheelbase (cm) Wheelbase (m)
Crew Cab4.3L V6RWD14712.253733.73
Crew Cab5.3L V8RWD14712.253733.73
Crew Cab2.7LRWD14712.253733.73
Crew Cab4.3L V64WD15713.083983.98
Crew Cab5.3L V84WD15713.083983.98
Crew Cab2.7L4WD15713.083983.98
Crew Cab AT45.3L V84WD14712.253733.73
Crew Cab AT43.0L I64WD14712.253733.73
Crew Cab AT46.2L V84WD14712.253733.73
Crew Cab Denali5.3L V8RWD14712.253733.73
Crew Cab Denali3.0L I6RWD14712.253733.73
Crew Cab Denali5.3L V84WD15713.083983.98
Crew Cab Denali3.0L I64WD15713.083983.98
Crew Cab Denali6.2L V84WD15713.083983.98
Crew Cab Elevation2.7LRWD14712.253733.73
Crew Cab Elevation5.3L V8RWD14712.253733.73
Crew Cab Elevation3.0L I6RWD14712.253733.73
Crew Cab Elevation 3VL2.7L4WD14712.253733.73
Crew Cab Elevation2.7L4WD14712.253733.73
Crew Cab Elevation5.3L V84WD14712.253733.73
Crew Cab Elevation3.0L I64WD14712.253733.73
Crew Cab SLE2.7LRWD14712.253733.73
Crew Cab SLE5.3L V8RWD14712.253733.73
Crew Cab SLE3.0L I6RWD14712.253733.73
Crew Cab SLE2.7L4WD14712.253733.73
Crew Cab SLE5.3L V84WD14712.253733.73
Crew Cab SLE3.0L I64WD14712.253733.73
Crew Cab SLT5.3L V8RWD14712.253733.73
Crew Cab SLT3.0L I6RWD14712.253733.73
Crew Cab SLT5.3L V84WD14712.253733.73
Crew Cab SLT5.3L I64WD14712.253733.73
Crew Cab SLT3.0L V84WD14712.253733.73
Extended Cab4.3L V6RWD14712.253733.73
Extended Cab5.3L V8RWD14712.253733.73
Extended Cab2.7LRWD14712.253733.73
Extended Cab4.3L V64WD14712.253733.73
Extended Cab5.3L V84WD14712.253733.73
Extended Cab2.7L4WD14712.253733.73
Extended Cab Elevation2.7LRWD14712.253733.73
Extended Cab Elevation5.3L V8RWD14712.253733.73
Extended Cab Elevation3.0L I6RWD14712.253733.73
Extended Cab Elevation 3VL2.7L4WD14712.253733.73
Extended Cab Elevation2.7L4WD14712.253733.73
Extended Cab Elevation5.3L V84WD14712.253733.73
Extended Cab Elevation3.0L I64WD14712.253733.73
Extended Cab SLE2.7LRWD14712.253733.73
Extended Cab SLE5.3L V8RWD14712.253733.73
Extended Cab SLE3.0L I6RWD14712.253733.73
Extended Cab SLE2.7L4WD14712.253733.73
Extended Cab SLE5.3L V84WD14712.253733.73
Extended Cab SLE3.0L I64WD14712.253733.73
Regular Cab4.3L V6RWD13911.583533.53
Regular Cab5.3L V8RWD13911.583533.53
Regular Cab4.3L V64WD13911.583533.53
Regular Cab5.3L V84WD13911.583533.53

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