2018 Toyota Sienna Fuel Tank Size
2018 Toyota Sienna fuel tank size: 20.9 gal. From the owner's manual, PDF page 584.
20.9gal
2018 Toyota Sienna Owner's Manual, PDF page 584
20.9 gal. (79 L, 17.4 Imp.gal.)Open the manual at this page ↗Added Oct 24, 2026 · Updated
See where it's printed
Fuel tank size · All versions · PDF page 584
20.9 gal. (79 L, 17.4 Imp.gal.)
See every quote (1 value)
As printed in the manual
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| All versions | 20.9 gal | “20.9 gal. (79 L, 17.4 Imp.gal.)” | PDF page 584 ↗ |
Scroll the table to see the quote and page →
Confirm with your own manual, dipstick or door-jamb label.
Report a problem with this page →