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How big is a 2013 Honda Odyssey gas tank?

The gasoline tank capacity of the 2013 Honda Odyssey is 21.7 gallons (82.1 liters).


Overview of the tank size and its implications


Understanding the tank size helps with trip planning, refueling intervals, and estimating range between fills. For the 2013 Odyssey, this sizeable tank is paired with the model’s 3.5-liter V6 engine to balance family-hauler practicality with reasonable driving range.


Before diving into the specifics, here are the key numbers you’ll want to know when planning storage, fuel stops, or long trips with a 2013 Odyssey.



  • Fuel tank capacity: 21.7 gallons (82.1 liters).

  • Estimated driving range (rough figure): About 470–500 miles (approximately 750–805 kilometers) on a full tank, depending on driving conditions and EPA-era mileage estimates around the low-to-mid 20s mpg combined.

  • Fuel type and refueling notes: Regular unleaded gasoline (87 octane) is typically recommended; always confirm with the owner’s manual for your specific trim or regional specification.


In practice, real-world range varies based on driving style, payload, climate, and terrain. The listed tank size is consistent across the model year and trims, making it a reliable figure for planning and maintenance.


Additional considerations for owners


Fuel economy expectations and practical range


EPA estimates from the era place the Odyssey’s combined mileage in the low 20s mpg, which translates to a practical range of roughly 450–500 miles on a full tank under typical mixed driving. Your personal range may differ if you spend more time in city traffic, haul heavy loads, or drive in extreme heat or cold.


For those tracking fuel usage or planning extended trips, it’s useful to keep a regular maintenance schedule—air filters, tires, and engine oil in good condition can impact efficiency and overall range. Also, remember to consult the owner’s manual for any trim-specific nuances or regional fuel recommendations.


Summary: The 2013 Honda Odyssey carries a 21.7-gallon (82.1-liter) gas tank, a figure that supports a practical, mid-range driving radius when combined with the vehicle’s efficiency. With careful driving, anticipated MPG, and standard maintenance, owners can plan refueling stops with confidence.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.