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Specifications Comparison: 2003 GMC Sierra 2500 vs 2021 GMC Sierra 2500

Researched By The AutoPadre Staff

Gas Tank Size

2003 GMC Sierra 2500

Fuel Tank Size

Trim Eng. Drive train Fuel Tank Size (Gal) Fuel Tank Size (L)
2500 Extended CabV84WD26.098.4
2500 Extended Cab SLEV84WD26.098.4
2500 Extended Cab SLTV84WD26.098.4
2500 Regular CabV8RWD34.0128.7
2500 Regular Cab SLEV8RWD34.0128.7
HD 2500 Crew CabV8RWD26.098.4
HD 2500 Crew CabV84WD26.098.4
HD 2500 Crew Cab SLEV8RWD26.098.4
HD 2500 Crew Cab SLEV84WD26.098.4
HD 2500 Crew Cab SLTV8RWD26.098.4
HD 2500 Crew Cab SLTV84WD26.098.4
HD 2500 Extended CabV8RWD26.098.4
HD 2500 Extended CabV84WD26.098.4
HD 2500 Extended Cab SLEV8RWD26.098.4
HD 2500 Extended Cab SLEV84WD26.098.4
HD 2500 Extended Cab SLTV8RWD26.098.4
HD 2500 Extended Cab SLTV84WD26.098.4
HD 2500 Regular CabV8RWD34.0128.7
HD 2500 Regular CabV84WD34.0128.7
HD 2500 Regular Cab SLEV8RWD34.0128.7
HD 2500 Regular Cab SLEV84WD34.0128.7

2021 GMC Sierra 2500

Fuel Tank Size

Trim Eng. Drive train Fuel Tank Size (Gal) Fuel Tank Size (L)
HD Crew Cab6.6L V8RWD36.0136.3
HD Crew Cab6.6L V8RWD36.0136.3
HD Crew Cab6.6L V84WD36.0136.3
HD Crew Cab6.6L V84WD36.0136.3
HD Crew Cab AT46.6L V84WD36.0136.3
HD Crew Cab AT46.6L V84WD36.0136.3
HD Crew Cab Denali6.6L V84WD36.0136.3
HD Crew Cab Denali6.6L V84WD36.0136.3
HD Crew Cab SLE6.6L V8RWD36.0136.3
HD Crew Cab SLE6.6L V8RWD36.0136.3
HD Crew Cab SLE6.6L V84WD36.0136.3
HD Crew Cab SLE6.6L V84WD36.0136.3
HD Crew Cab SLT6.6L V8RWD36.0136.3
HD Crew Cab SLT6.6L V8RWD36.0136.3
HD Crew Cab SLT6.6L V84WD36.0136.3
HD Crew Cab SLT6.6L V84WD36.0136.3
HD Extended Cab6.6L V8RWD36.0136.3
HD Extended Cab6.6L V8RWD36.0136.3
HD Extended Cab6.6L V84WD36.0136.3
HD Extended Cab6.6L V84WD36.0136.3
HD Extended Cab SLE6.6L V8RWD36.0136.3
HD Extended Cab SLE6.6L V8RWD36.0136.3
HD Extended Cab SLE6.6L V84WD36.0136.3
HD Extended Cab SLE6.6L V84WD36.0136.3
HD Extended Cab SLT6.6L V8RWD36.0136.3
HD Extended Cab SLT6.6L V8RWD36.0136.3
HD Extended Cab SLT6.6L V84WD36.0136.3
HD Extended Cab SLT6.6L V84WD36.0136.3
HD Regular Cab6.6L V8RWD36.0136.3
HD Regular Cab6.6L V8RWD36.0136.3
HD Regular Cab6.6L V84WD36.0136.3
HD Regular Cab6.6L V84WD36.0136.3
HD Regular Cab SLE6.6L V8RWD36.0136.3
HD Regular Cab SLE6.6L V8RWD36.0136.3
HD Regular Cab SLE6.6L V84WD36.0136.3
HD Regular Cab SLE6.6L V84WD36.0136.3

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