How big is the gas tank on a Toyota Sienna 2024 hybrid?
The 2024 Toyota Sienna Hybrid uses an 18.0-gallon fuel tank (about 68 liters).
Context: The Sienna Hybrid is Toyota’s hybrid-only minivan for 2024, designed around a 2.5-liter hybrid powertrain. The fuel-tank size is a fixed specification that impacts driving range and refueling frequency across all trims and drive configurations.
Fuel tank size at a glance
Before listing the key facts, here is a concise breakdown of the tank’s capacity and related notes.
- Fuel tank capacity: 18.0 gallons (68 liters) for the 2024 Sienna Hybrid, with no trim-level differences announced for the hybrid model (FWD and AWD share the same capacity).
- Fuel type: Regular unleaded gasoline.
- Placement and design: Standard underbody tank typical of modern minivans, designed to optimize interior space.
In official specs, Toyota lists the 18.0-gallon capacity as the standard for the 2024 Sienna Hybrid across configurations, reinforcing a uniform tank size for consumers.
Estimated range based on EPA mpg
Before listing estimated ranges, note that real-world performance varies with driving conditions, speed, and climate control use. The following figures reflect typical EPA-based estimates for the 2024 Sienna Hybrid.
- Estimated fuel economy (FWD): about 36 miles per gallon combined.
- Estimated fuel economy (AWD): about 35 miles per gallon combined.
- Estimated range (FWD): approximately 648 miles on a full tank (18 gallons × 36 mpg).
- Estimated range (AWD): approximately 630 miles on a full tank (18 gallons × 35 mpg).
These range estimates illustrate how the 18-gallon tank works with the hybrid’s efficiency to provide long driving distances between fills, particularly for family trips and everyday commuting.
Additional considerations
Drivers should remember that real-world range depends on factors such as highway versus city driving, payload, weather, and the use of climate control. The Sienna’s tank design aims to balance capacity with interior space and weight, a key consideration for a family-focused minivan.
What drivers should know
For prospective buyers, the main takeaway is that the 2024 Sienna Hybrid provides a sizable 18.0-gallon tank that pairs well with its hybrid efficiency, offering fewer trips to the pump without sacrificing cargo or passenger space.
Summary: The 2024 Toyota Sienna Hybrid features an 18.0-gallon gas tank (approximately 68 liters). Paired with EPA-rated efficiency in the mid-30s mpg range, this yields roughly 630–648 miles of expected driving range per tank, depending on drivetrain configuration (AWD vs FWD) and real-world conditions. This setup supports the Sienna’s mission as a practical, fuel-conscious family vehicle.
What is the difference between the 2024 and 2025 Toyota Sienna hybrid?
While the 2024 Sienna already featured ample storage, an innovative center console design, and 18 cupholders, the 2025 model brings even more practicality with additional USB-C ports and an improved wireless charging pad.
What is the range of the Toyota Sienna hybrid full tank?
648 miles
When you match the hybrid fuel economy estimates with the roughly 18-gallon tank, the 2026 Toyota Sienna delivers an impressive projected range. On a full tank, FWD models can reach an estimated 648 miles, while AWD configurations can achieve about 630 miles, using available mpg and capacity data as a guide.
Which lasts longer, Toyota Sienna or Honda Odyssey?
Which lasts longer, the Toyota Sienna or Honda Odyssey? While both minivans are designed to last for a long time, the Honda Odyssey currently has a higher J.D. Power reliability rating than the latest Toyota Sienna to be rated,3, 4 which suggests that it may be able to last for longer.
How big is the gas tank on a 2024 Toyota Sienna hybrid?
18.0 gal
Fuel & MPG
630.0/648.0 mi. 18.0 gal.
