2005 GMC Sierra 1500 Fuel Tank Size
2005 GMC Sierra 1500 fuel tank size: 26.0 gal (Short Bed and 2500 LD) or 36.0 gal (Long Bed and Chassis Cab (Pickup Box Delete)) or 27.0 gal (Chassis Cab…
Depends on your version. Choose yours, or compare them here.
- Short Bed and 2500 LD 26.0 gal
- Long Bed and Chassis Cab (Pickup Box Delete) 36.0 gal
- Chassis Cab 3500 and 3500HD — front 27.0 gal·23.0 gal
- Chassis Cab 3500 and 3500HD — rear 27.0 gal·23.0 gal
26.0gal
Short Bed and 2500 LD
36.0gal
Long Bed and Chassis Cab (Pickup Box Delete)
27.0gal
23.0gal
27.0gal
23.0gal
2005 GMC Sierra 1500 Owner's Manual, PDF page 526
26.0 galOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Fuel tank size · Short Bed and 2500 LD · PDF page 526
26.0 gal
Fuel tank size · Long Bed and Chassis Cab (Pickup Box Delete) · PDF page 526
36.0 gal
Fuel tank size · Chassis Cab 3500 and 3500HD — front · PDF page 526
27.0 gal
Fuel tank size · Chassis Cab 3500 and 3500HD — rear · PDF page 526
23.0 gal
Fuel tank size · Chassis Cab 3500 and 3500HD — front · PDF page 526
27.0 gal
Fuel tank size · Chassis Cab 3500 and 3500HD — rear · PDF page 526
23.0 gal
2005 GMC Sierra 1500 Owner's Manual, PDF page 526
26.0 galOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Fuel tank size · Short Bed and 2500 LD · PDF page 526
26.0 gal
2005 GMC Sierra 1500 Owner's Manual, PDF page 526
36.0 galOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Fuel tank size · Long Bed and Chassis Cab (Pickup Box Delete) · PDF page 526
36.0 gal
2005 GMC Sierra 1500 Owner's Manual, PDF page 526
27.0 galOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Fuel tank size · Chassis Cab 3500 and 3500HD — front · PDF page 526
27.0 gal
Fuel tank size · Chassis Cab 3500 and 3500HD — rear · PDF page 526
23.0 gal
2005 GMC Sierra 1500 Owner's Manual, PDF page 526
27.0 galOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Fuel tank size · Chassis Cab 3500 and 3500HD — front · PDF page 526
27.0 gal
Fuel tank size · Chassis Cab 3500 and 3500HD — rear · PDF page 526
23.0 gal
See every quote (4 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| Short Bed and 2500 LD | 26.0 gal | “26.0 gal” | PDF page 526 ↗ |
| Long Bed and Chassis Cab (Pickup Box Delete) | 36.0 gal | “36.0 gal” | PDF page 526 ↗ |
| Chassis Cab 3500 and 3500HD — front | 27.0 gal | “27.0 gal” | PDF page 526 ↗ |
| Chassis Cab 3500 and 3500HD — rear | 23.0 gal | “23.0 gal” | PDF page 526 ↗ |
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