2021Chevrolet Tahoe and Suburban Fuel tank size
Depends on your version. Choose yours, or compare them here.
- Short Wheelbase 24.0 gal
- Long Wheelbase 28.0 gal
24.0gal
Short Wheelbase
28.0gal
Long Wheelbase
Owner's manual · PDF page 414 ↗Added Oct 15, 2026
See where it's printed
Fuel tank size · Short Wheelbase · PDF page 414
Short Wheelbase 90.8 L 24.0 gal
Fuel tank size · Long Wheelbase · PDF page 414
Long Wheelbase 106.0 L 28.0 gal
Owner's manual · PDF page 414 ↗Added Oct 15, 2026
See where it's printed
Fuel tank size · Short Wheelbase · PDF page 414
Short Wheelbase 90.8 L 24.0 gal
Owner's manual · PDF page 414 ↗Added Oct 15, 2026
See where it's printed
Fuel tank size · Long Wheelbase · PDF page 414
Long Wheelbase 106.0 L 28.0 gal
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| Short Wheelbase | 24.0 gal | “Short Wheelbase 90.8 L 24.0 gal” | PDF page 414 ↗ |
| Long Wheelbase | 28.0 gal | “Long Wheelbase 106.0 L 28.0 gal” | PDF page 414 ↗ |
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