Toyota Sienna Gas Tank Size and Capacity by Year
18.0–21.0gal · 68–79 L
Across 29 model years (1998–2026), the Toyota Sienna has used tanks from 18.0–21.0 gallons. The 2026 model holds 18.0 gallons.
Pick your model year
- 2026
- 2025
- 2024
- 2023
- 2022
- 2021
- 2020
- 2019
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
- 2006
- 2005
- 2004
- 2003
- 2002
- 2001
- 2000
- 1999
- 1998
How the tank changed over the years
Toyota Sienna tank size by generation
Model years with the same tank sizes, grouped. A change usually marks a new generation or a redesign.
| Model years | Tank | Liters |
|---|---|---|
| 2021–2026 | 18.0 gallons | 68 L |
| 2004–2020 | 20.0 gallons | 76 L |
| 2001–2003 | 20.9 gallons | 79 L |
| 1998–2000 | 21.0 gallons | 79 L |
Toyota Sienna tank size by year
| Year | Tank | Liters | Best highway range | Trims |
|---|---|---|---|---|
| 2026 Toyota Sienna | 18.0 gallons | 68 L | 648 mi | 11 |
| 2025 Toyota Sienna | 18.0 gallons | 68 L | 648 mi | 12 |
| 2024 Toyota Sienna | 18.0 gallons | 68 L | 648 mi | 12 |
| 2023 Toyota Sienna | 18.0 gallons | 68 L | 648 mi | 14 |
| 2022 Toyota Sienna | 18.0 gallons | 68 L | 648 mi | 12 |
| 2021 Toyota Sienna | 18.0 gallons | 68 L | 648 mi | 11 |
| 2020 Toyota Sienna | 20.0 gallons | 76 L | 520 mi | 19 |
| 2019 Toyota Sienna | 20.0 gallons | 76 L | 540 mi | 19 |
| 2018 Toyota Sienna | 20.0 gallons | 76 L | 540 mi | 17 |
| 2017 Toyota Sienna | 20.0 gallons | 76 L | 540 mi | 17 |
| 2016 Toyota Sienna | 20.0 gallons | 76 L | 500 mi | 17 |
| 2015 Toyota Sienna | 20.0 gallons | 76 L | 500 mi | 17 |
| 2014 Toyota Sienna | 20.0 gallons | 76 L | 500 mi | 12 |
| 2013 Toyota Sienna | 20.0 gallons | 76 L | 500 mi | 12 |
| 2012 Toyota Sienna | 20.0 gallons | 76 L | 500 mi | 12 |
| 2011 Toyota Sienna | 20.0 gallons | 76 L | 480 mi | 12 |
| 2010 Toyota Sienna | 20.0 gallons | 76 L | 460 mi | 9 |
| 2009 Toyota Sienna | 20.0 gallons | 76 L | 460 mi | 9 |
| 2008 Toyota Sienna | 20.0 gallons | 76 L | 460 mi | 9 |
| 2007 Toyota Sienna | 20.0 gallons | 76 L | 480 mi | 9 |
| 2006 Toyota Sienna | 20.0 gallons | 76 L | 480 mi | 9 |
| 2005 Toyota Sienna | 20.0 gallons | 76 L | 480 mi | 9 |
| 2004 Toyota Sienna | 20.0 gallons | 76 L | 500 mi | 9 |
| 2003 Toyota Sienna | 20.9 gallons | 79 L | 481 mi | 3 |
| 2002 Toyota Sienna | 20.9 gallons | 79 L | 481 mi | 3 |
| 2001 Toyota Sienna | 20.9 gallons | 79 L | 481 mi | 3 |
| 2000 Toyota Sienna | 21.0 gallons | 79 L | 462 mi | 3 |
| 1999 Toyota Sienna | 21.0 gallons | 79 L | 462 mi | 3 |
| 1998 Toyota Sienna | 21.0 gallons | 79 L | 483 mi | 3 |
Toyota Sienna fuel system recalls by year
NHTSA lists fuel-system recalls for 6 Toyota Sienna model years. Each year's page has the details, the risk and the free remedy.
Frequently asked questions
What size gas tank does the Toyota Sienna have?
The 2026 Toyota Sienna holds 18.0 gallons. Older years range from 18.0–21.0 gallons; the table has every year.
Has the tank size changed over the years?
Yes. The largest tank changed in 2021, 2004, 2001.