2018 Chevrolet Tahoe and Suburban Fuel tank size
Depends on your version. Choose yours, or compare them here.
- Short Wheelbase 26.0 gal
- Long Wheelbase 31.5 gal
26.0gal
Short Wheelbase
31.5gal
Long Wheelbase
2018 Chevrolet Tahoe and Suburban Owner's Manual, PDF page 403
26.0 galOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Fuel tank size · Short Wheelbase · PDF page 403
26.0 gal
Fuel tank size · Long Wheelbase · PDF page 403
31.5 gal
2018 Chevrolet Tahoe and Suburban Owner's Manual, PDF page 403
26.0 galOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Fuel tank size · Short Wheelbase · PDF page 403
26.0 gal
2018 Chevrolet Tahoe and Suburban Owner's Manual, PDF page 403
31.5 galOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Fuel tank size · Long Wheelbase · PDF page 403
31.5 gal
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| Short Wheelbase | 26.0 gal | “26.0 gal” | PDF page 403 ↗ |
| Long Wheelbase | 31.5 gal | “31.5 gal” | PDF page 403 ↗ |
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