2020 Toyota Sienna Gas Tank Size & Fuel Capacity

Van 19 trims listed 1 fuel-system recall ← 2019 2021 →

Fuel tank capacity

20.0gal · 76 L

The 2020 Toyota Sienna has a fuel tank capacity of 20.0 gallons (76 liters) on every trim.

A full tank is good for roughly 480–520 highway miles or 360–380 miles around town, going by the EPA ratings.

20.0 gal · Bigger than 68% of 2020 models we list.

Highway range
480–520 mi
City range
360–380 mi
Fuel
Regular unleaded
EPA combined
20–21 MPG
EPA size class
Minivan

2020 Toyota Sienna fuel tank capacity by trim

What changes the tank sizeTap an option to filter the table

Drive
no difference

All 19 trims

MPG and range are city / highway.

TrimEngineDrive Tank MPG city / hwy Range city / hwy
CE Fleet Cargo Van 4dr Minivan 3.5L 6cyl 8A · FWD MPG 19 / 26Range 380 / 520 mi 3.5L 6cyl 8A FWD 20.0 gal76 L 19 / 26 380 / 520 mi
L 7-Passenger 4dr Minivan 3.5L 6cyl 8A · FWD MPG 19 / 26Range 380 / 520 mi 3.5L 6cyl 8A FWD 20.0 gal76 L 19 / 26 380 / 520 mi
LE 7-Passenger 4dr Minivan AWD 3.5L 6cyl 8A · AWD MPG 18 / 24Range 360 / 480 mi 3.5L 6cyl 8A AWD 20.0 gal76 L 18 / 24 360 / 480 mi
LE 7-Passenger Mobility 4dr Minivan 3.5L 6cyl 8A · FWD MPG 19 / 26Range 380 / 520 mi 3.5L 6cyl 8A FWD 20.0 gal76 L 19 / 26 380 / 520 mi
LE 7-Passenger Mobility Auto Access 4dr Minivan 3.5L 6cyl 8A · FWD MPG 19 / 26Range 380 / 520 mi 3.5L 6cyl 8A FWD 20.0 gal76 L 19 / 26 380 / 520 mi
LE 8-Passenger 4dr Minivan 3.5L 6cyl 8A · FWD MPG 19 / 26Range 380 / 520 mi 3.5L 6cyl 8A FWD 20.0 gal76 L 19 / 26 380 / 520 mi
Limited 7-Passenger 4dr Minivan 3.5L 6cyl 8A · FWD MPG 19 / 26Range 380 / 520 mi 3.5L 6cyl 8A FWD 20.0 gal76 L 19 / 26 380 / 520 mi
Limited 7-Passenger 4dr Minivan AWD 3.5L 6cyl 8A · AWD MPG 18 / 24Range 360 / 480 mi 3.5L 6cyl 8A AWD 20.0 gal76 L 18 / 24 360 / 480 mi
Limited Premium 7-Passenger 4dr Minivan 3.5L 6cyl 8A · FWD MPG 19 / 26Range 380 / 520 mi 3.5L 6cyl 8A FWD 20.0 gal76 L 19 / 26 380 / 520 mi
Limited Premium 7-Passenger 4dr Minivan AWD 3.5L 6cyl 8A · AWD MPG 18 / 24Range 360 / 480 mi 3.5L 6cyl 8A AWD 20.0 gal76 L 18 / 24 360 / 480 mi
SE 7-Passenger 4dr Minivan AWD 3.5L 6cyl 8A · AWD MPG 18 / 24Range 360 / 480 mi 3.5L 6cyl 8A AWD 20.0 gal76 L 18 / 24 360 / 480 mi
SE 8-Passenger 4dr Minivan 3.5L 6cyl 8A · FWD MPG 19 / 26Range 380 / 520 mi 3.5L 6cyl 8A FWD 20.0 gal76 L 19 / 26 380 / 520 mi
SE Premium 7-Passenger 4dr Minivan AWD 3.5L 6cyl 8A · AWD MPG 18 / 24Range 360 / 480 mi 3.5L 6cyl 8A AWD 20.0 gal76 L 18 / 24 360 / 480 mi
SE Premium 8-Passenger 4dr Minivan 3.5L 6cyl 8A · FWD MPG 19 / 26Range 380 / 520 mi 3.5L 6cyl 8A FWD 20.0 gal76 L 19 / 26 380 / 520 mi
XLE 7-Passenger 4dr Minivan AWD 3.5L 6cyl 8A · AWD MPG 18 / 24Range 360 / 480 mi 3.5L 6cyl 8A AWD 20.0 gal76 L 18 / 24 360 / 480 mi
XLE 7-Passenger Mobility Auto Access 4dr Minivan 3.5L 6cyl 8A · FWD MPG 19 / 26Range 380 / 520 mi 3.5L 6cyl 8A FWD 20.0 gal76 L 19 / 26 380 / 520 mi
XLE 8-Passenger 4dr Minivan 3.5L 6cyl 8A · FWD MPG 19 / 26Range 380 / 520 mi 3.5L 6cyl 8A FWD 20.0 gal76 L 19 / 26 380 / 520 mi
XLE Premium 7-Passenger 4dr Minivan AWD 3.5L 6cyl 8A · AWD MPG 18 / 24Range 360 / 480 mi 3.5L 6cyl 8A AWD 20.0 gal76 L 18 / 24 360 / 480 mi
XLE Premium 8-Passenger 4dr Minivan 3.5L 6cyl 8A · FWD MPG 19 / 26Range 380 / 520 mi 3.5L 6cyl 8A FWD 20.0 gal76 L 19 / 26 380 / 520 mi

Tank figures are the manufacturer's rated capacity, sorted smallest tank first. Range is tank size times EPA city or highway MPG.

How far a 2020 Toyota Sienna goes on a tank

Gallons left and the distance they cover at each mark on the fuel gauge, at EPA city and highway mileage. At the combined rating of 21 MPG, a full 20.0-gallon tank covers about 420 miles.

GaugeGallonsHighway milesCity miles
Full20.0520380
3/415.0390285
1/210.0260190
1/45.013095
1/82.56548

Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 714 gallons, roughly 36 full tanks.

Fuel gauges aren't perfectly linear and the low-fuel light comes on with a few gallons still in the tank, so plan your stop before the last eighth.

EPA combined
20–21 MPG
Tailpipe CO2
417–441 g/mi
EPA greenhouse score
4 of 10
Source
EPA ratings

What it costs to fill up a 2020 Toyota Sienna

$85.40 to fill the 20.0-gallon tank from empty with regular, at this week's US average of $4.27 a gallon.

TankFuelUS avg / galFrom emptyFrom 1/4 tank
20.0 galRegular$4.27$85.40$64.05

By region, 20.0-gallon tank

RegionRegular / galFill from empty
East Coast$4.02$80.40
Midwest$4.27$85.40
Gulf CoastLowest$3.70$74.00
Rocky Mountain$4.46$89.20
West Coast$5.42$108.40
CaliforniaHighest$5.89$117.80

Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.

Your own price

  • 20.0-gallon tank$85.40
  • A year of driving (15,000 mi)$3,050

Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.

Sienna tank size in other years

The 2020 Sienna uses the same 20.0 gal tank as every Sienna since 2004.

Model yearTankLongest highway range
2025 Sienna 18.0 gal 648 mi
2024 Sienna 18.0 gal 648 mi
2023 Sienna 18.0 gal 648 mi
2022 Sienna 18.0 gal 648 mi
2021 Sienna 18.0 gal 648 mi
2020 Sienna 20.0 gal 520 mi
2019 Sienna 20.0 gal 540 mi
2018 Sienna 20.0 gal 540 mi
2017 Sienna 20.0 gal 540 mi
2016 Sienna 20.0 gal 500 mi
2015 Sienna 20.0 gal 500 mi
Toyota Sienna fuel tank by model year

2020 Toyota Sienna vs similar 2020 minivans

At 20.0 gallons, the Sienna's largest tank ranks second of the five 2020 minivans compared here. The Kia Sedona carries the most (21.1 gal) and the Chrysler Pacifica the least (19.0 gal).

2020 modelTankLongest highway range
Kia Sedona 21.1 gal 506 mi
Toyota Sienna 20.0 gal 520 mi
Dodge Grand Caravan 20.0 gal 500 mi
Honda Odyssey 19.5 gal 546 mi
Chrysler Pacifica 16.5–19.0 gal 532 mi

Other 2020 minivans of a similar size, one model per brand.

2020 Toyota Sienna fuel system recalls

NHTSA lists 1 fuel-system recall for the 2020 Toyota Sienna, out of 2 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.

Delivery · Fuel pumpNov 4, 2020 · NHTSA 20V682000 · Toyota Motor Engineering & Manufacturing · 1,525,742 vehicles

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 Tacoma, 2019-2020 RAV4, 2019-2020 Sequoia, 2017-2020 Sienna, 2019-2020 Tundra, 2018-2020 Lexus ES350, 2017 Lexus GS200t, 2017-2019 Lexus GS350, 2019 Lexus GS300, 2018-2020 Lexus LC500h, 2019-2020 Lexus LS500, 2018-2019 Lexus GX460, 2017 Lexus IS200t, 2019 Lexus IS300, 2019 Lexus IS350, 2018-2020 Lexus LC500, 2018 Lexus LS500, 2019 Lexus LS500h, 2018-2019 Lexus LX570, 2017 Lexus RC200t, 2019 Lexus RC300, RC350, 2017 and 2019-2020 Lexus RX350, 2018-2020 RX350L, 2019 Lexus UX200, 2018-2019 Lexus NX300 vehicles. The low-pressure fuel pump inside the fuel tank may fail.

Risk and remedy

Risk: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.

Remedy: Toyota will notify owners, and dealers will replace the fuel pump assembly with an improved one, free of charge. Owners of specific models were notified that remedy parts were available starting January 21, 2021. Owners of other models will be notified as remedy parts become available. Remedy parts should be available for all affected vehicles by late March 2021. Owners may contact Toyota customer service at 1-888-270-9371 or Lexus customer service at 1-800-255-3987. Note: This recall is an expansion of recall 20V-012. Toyota's number for this recall is 20TA02. Lexus' number for this recall is 20LA01.

All Toyota fuel recalls Look up your tank by VIN

Frequently asked questions

What is the fuel tank capacity of the 2020 Toyota Sienna?

The 2020 Toyota Sienna holds 20.0 gallons (76 liters) on every trim we list.

How many gallons and liters does the 2020 Toyota Sienna gas tank hold?

The 2020 Toyota Sienna tank holds 76 liters, or 20.0 gallons in US gallons.

Does AWD change the 2020 Toyota Sienna gas tank?

No. FWD and AWD versions of the 2020 Toyota Sienna use the same 20.0 gal tank.

How far can a 2020 Toyota Sienna go on a full tank?

About 480–520 miles on the highway and 360–380 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.

How many miles can a 2020 Toyota Sienna go on a quarter tank?

About 130 highway miles or 95 in town from the 20.0-gallon tank, which has roughly 5.0 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.

What gas does the 2020 Toyota Sienna take?

Regular unleaded. The label inside the fuel door confirms it for your car.

How much does it cost to fill up a 2020 Toyota Sienna?

At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 20.0-gallon tank from empty costs $85.40. It ranges from $74.00 in the Gulf Coast to $117.80 in California.

How much does a full tank of gas weigh in a 2020 Toyota Sienna?

About 124 pounds for the 20.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.

Does the 2020 Toyota Sienna have a bigger gas tank than the Kia Sedona?

No. The 2020 Kia Sedona holds up to 21.1 gallons; the 2020 Toyota Sienna holds up to 20.0.

Has the 2020 Toyota Sienna had a fuel pump or fuel system recall?

Yes. NHTSA lists 1 fuel-system recall for the 2020 Toyota Sienna: 20V682000 (delivery · fuel pump). Check your VIN at nhtsa.gov/recalls to see if your car is affected.

Sources

  • Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
  • MPG and range: EPA ratings (fueleconomy.gov). Range is tank size times EPA MPG.
  • Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).
  • Recalls: NHTSA recall database (Toyota fuel system recalls).

Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.

Other 2020 Toyota models