2021 Toyota Tundra Fuel Tank Size

2021 Toyota Tundra fuel tank size: 26.4 gal (Standard fuel tank) or 38.0 gal (Large fuel tank). From the owner's manual, PDF page 612.

Depends on your version. Choose yours, or compare them here.

  • Standard fuel tank 26.4 gal
  • Large fuel tank 38.0 gal

2021 Toyota Tundra Owner's Manual, PDF page 612

26.4 gal. (100.0 L, 22.0 Imp.gal.)Open the manual at this page ↗Added Oct 24, 2026 · Updated
See where it's printed

Fuel tank size · Standard fuel tank · PDF page 612

26.4 gal. (100.0 L, 22.0 Imp.gal.)

Fuel tank size · Large fuel tank · PDF page 612

38.0 gal. (144.0 L, 31.7 Imp.gal.)

See every quote (2 values)

All versions

2 values
Applies toValueManual saysPage
Standard fuel tank 26.4 gal “26.4 gal. (100.0 L, 22.0 Imp.gal.)” PDF page 612 ↗
Large fuel tank 38.0 gal “38.0 gal. (144.0 L, 31.7 Imp.gal.)” PDF page 612 ↗

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