The 2021 Tundra with a 5.7 L V8 requires about 7.9 quarts of engine oil for a full change when a new filter is installed.
This article explains that capacity, how it’s defined, and what to keep in mind when performing an oil change on this pickup.
Official oil capacity for the 5.7 L V8
For a standard oil change on the 2021 Tundra, the reference capacity is 7.9 quarts (7.5 liters) with the oil filter installed. This is the amount technicians use as the baseline when replacing the oil during maintenance.
- 7.9 quarts (7.5 L) of engine oil with a new filter installed
In practice, if the oil is drained and the filter is not replaced, the amount needed to reach the proper level may vary slightly. Always fill to the dipstick’s full mark after the change and verify the level with the dipstick while using the oil grade and viscosity recommended in the owner's manual.
Practical notes on maintenance
When performing an oil change on the 5.7 L V8, install a new filter and add 7.9 quarts of oil, then run the engine and recheck the level. If you drain and fill without a new filter, you may need a slightly different amount to reach the correct level, so rely on the dipstick as your final guide.
Summary
Bottom line: The official oil capacity for the 2021 Toyota Tundra’s 5.7 L V8 is 7.9 quarts with a new filter. Always confirm the level with the dipstick after filling and consult the owner's manual for the exact oil grade and viscosity recommended for your climate and usage.