2006 GMC Sierra 1500 Fuel Tank Size
2006 GMC Sierra 1500 fuel tank size: 26.0 gal (Short Bed and 2500 LD) or 34.0 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) 34.0 gal
- Chassis Cab 3500 and 3500HD — front tank 27.0 gal·23.0 gal
- Chassis Cab 3500 and 3500HD — rear tank 27.0 gal·23.0 gal
26.0gal
Short Bed and 2500 LD
34.0gal
Long Bed and Chassis Cab (Pickup Box Delete)
27.0gal
23.0gal
27.0gal
23.0gal
2006 GMC Sierra 1500 Owner's Manual, PDF page 546
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 546
26.0 gal
Fuel tank size · Long Bed and Chassis Cab (Pickup Box Delete) · PDF page 546
34.0 gal
Fuel tank size · Chassis Cab 3500 and 3500HD — front tank · PDF page 546
27.0 gal
Fuel tank size · Chassis Cab 3500 and 3500HD — rear tank · PDF page 546
23.0 gal
Fuel tank size · Chassis Cab 3500 and 3500HD — front tank · PDF page 546
27.0 gal
Fuel tank size · Chassis Cab 3500 and 3500HD — rear tank · PDF page 546
23.0 gal
2006 GMC Sierra 1500 Owner's Manual, PDF page 546
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 546
26.0 gal
2006 GMC Sierra 1500 Owner's Manual, PDF page 546
34.0 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 546
34.0 gal
2006 GMC Sierra 1500 Owner's Manual, PDF page 546
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 tank · PDF page 546
27.0 gal
Fuel tank size · Chassis Cab 3500 and 3500HD — rear tank · PDF page 546
23.0 gal
2006 GMC Sierra 1500 Owner's Manual, PDF page 546
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 tank · PDF page 546
27.0 gal
Fuel tank size · Chassis Cab 3500 and 3500HD — rear tank · PDF page 546
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 546 ↗ |
| Long Bed and Chassis Cab (Pickup Box Delete) | 34.0 gal | “34.0 gal” | PDF page 546 ↗ |
| Chassis Cab 3500 and 3500HD — front tank | 27.0 gal | “27.0 gal” | PDF page 546 ↗ |
| Chassis Cab 3500 and 3500HD — rear tank | 23.0 gal | “23.0 gal” | PDF page 546 ↗ |
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