2008 GMC Yukon Denali Fuel Tank Size
2008 GMC Yukon Denali fuel tank size: 26.0 gal (Regular (Yukon Denali)) or 31.5 gal (Extended (Yukon XL Denali)). From the owner's manual, PDF page 452.
Depends on your version. Choose yours, or compare them here.
- Regular (Yukon Denali) 26.0 gal
- Extended (Yukon XL Denali) 31.5 gal
26.0gal
Regular (Yukon Denali)
31.5gal
Extended (Yukon XL Denali)
2008 GMC Yukon Denali Owner's Manual, PDF page 452
Regular 26.0 galOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Fuel tank size · Regular (Yukon Denali) · PDF page 452
Regular 26.0 gal
Fuel tank size · Extended (Yukon XL Denali) · PDF page 452
Extended 31.5 gal
2008 GMC Yukon Denali Owner's Manual, PDF page 452
Regular 26.0 galOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Fuel tank size · Regular (Yukon Denali) · PDF page 452
Regular 26.0 gal
2008 GMC Yukon Denali Owner's Manual, PDF page 452
Extended 31.5 galOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Fuel tank size · Extended (Yukon XL Denali) · PDF page 452
Extended 31.5 gal
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| Regular (Yukon Denali) | 26.0 gal | “Regular 26.0 gal” | PDF page 452 ↗ |
| Extended (Yukon XL Denali) | 31.5 gal | “Extended 31.5 gal” | PDF page 452 ↗ |
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