What size gas tank does a 2006 Toyota Sienna have?
The 2006 Toyota Sienna uses a 20-gallon fuel tank (approximately 75.7 liters).
This figure applies to most US-spec models from that year and is useful for estimating range, planning trips, and understanding fuel stops. Regional variations are minor, but always confirm with your owner's manual or a dealer if you need exact tolerances for a particular vehicle.
Tank capacity details
Below are the core figures and notes about the Sienna’s fuel tank to help you understand how it affects driving and maintenance.
Before listing the key numbers, here is the essential information you should know:
- Fuel tank capacity: 20 gallons (75.7 liters)
- Fuel type: Regular unleaded gasoline (87 octane minimum; follow the owner's manual guidance)
- Drivetrain note: Capacity remains approximately 20 gallons across standard FWD and AWD/Sienna trims for the 2006 model year, with only minor manufacturing tolerances.
In practice, the capacity sets the potential driving range, which varies with engine efficiency, driving conditions, and load.
Context for range and efficiency
Fuel economy for the 2006 Sienna typically falls in the low- to mid-teens in city driving and upper 20s to around 30 mpg on highway trips, depending on the exact engine and transmission configuration. With a 20-gallon tank, the real-world range is generally a few hundred miles, contingent on how and where you drive.
Owners should keep the manual handy for any region-specific notes and consider routine maintenance—such as proper tire inflation and engine tune-ups—that can influence overall fuel efficiency.
Practical notes for owners
To maximize range and fuel efficiency, keep tires properly inflated, schedule regular maintenance, and plan refueling stops based on your typical driving patterns rather than relying solely on the gauge.
Summary
The 2006 Toyota Sienna is equipped with a 20-gallon fuel tank (about 75.7 liters), a standard size for its era that supports practical driving ranges. While the tank size is fixed, actual range depends on driving habits, maintenance, and conditions. Always consult the owner’s manual or a Toyota dealer for exact specifications for your vehicle model and region.
What year was bad for Toyota Sienna?
Siennas are generally reliable, and it's difficult to identify the worst years. The 2004 model year—the first of the second generation—has received the most complaints from owners, and the 2017 Toyota Sienna is also one to avoid due to transmission issues—keep an eye out for them during a test drive.
How many miles per gallon does a 2006 Toyota Sienna get?
Is the Toyota Sienna fuel efficient? All trim levels of the 2006 Sienna get 20 MPG, with 17 MPG in the city and 24 MPG on the highway.
Is 2006 a good year for the Toyota Sienna?
If you want luxury in your family hauler, the 2006 Toyota Sienna has your number. With tons of innovative features and even more available options, this Toyota minivan is one of our top recommendations in its segment.
How many gallons does a Toyota Sienna gas tank hold?
18-gallon
Combined with its 18-gallon fuel tank, the new Toyota Sienna is capable of achieving more city and highway miles, ultimately producing an exceptional driving range for the modern Toyota driver.
