2006 GMC Envoy and Envoy XL and Envoy Denali and Envoy Denali XL Fuel Tank Size
2006 GMC Envoy and Envoy XL and Envoy Denali and Envoy Denali XL fuel tank size: 22.0 gal (Regular Wheelbase) or 25.5 gal (Extended Wheelbase).
Depends on your version. Choose yours, or compare them here.
- Regular Wheelbase 22.0 gal
- Extended Wheelbase 25.5 gal
22.0gal
Regular Wheelbase
25.5gal
Extended Wheelbase
2006 GMC Envoy and Envoy XL and Envoy Denali and Envoy Denali XL Owner's Manual, PDF page 475
22.0 galOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Fuel tank size · Regular Wheelbase · PDF page 475
22.0 gal
Fuel tank size · Extended Wheelbase · PDF page 475
25.5 gal
2006 GMC Envoy and Envoy XL and Envoy Denali and Envoy Denali XL Owner's Manual, PDF page 475
22.0 galOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Fuel tank size · Regular Wheelbase · PDF page 475
22.0 gal
2006 GMC Envoy and Envoy XL and Envoy Denali and Envoy Denali XL Owner's Manual, PDF page 475
25.5 galOpen the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Fuel tank size · Extended Wheelbase · PDF page 475
25.5 gal
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| Regular Wheelbase | 22.0 gal | “22.0 gal” | PDF page 475 ↗ |
| Extended Wheelbase | 25.5 gal | “25.5 gal” | PDF page 475 ↗ |
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Confirm with your own manual, dipstick or door-jamb label.
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