How big is the gas tank on a 2015 Honda Odyssey?
The 2015 Honda Odyssey uses a 19.5-gallon fuel tank (about 73.9 liters).
For context, the tank size influences how far you can travel between fills and affects planning for long trips. This article breaks down the official capacity, how it translates into driving range using EPA estimates, and practical fueling considerations for owners and shoppers.
Official fuel-tank capacity
Before listing the capacity, here is the official figure in both gallons and liters:
- Fuel tank capacity: 19.5 US gallons (73.9 liters).
Conclusion: The 2015 Odyssey uses a 19.5-gallon tank across most trims, giving a solid balance between range and cargo space.
Estimated driving range on a full tank
To translate the tank size into real-world driving, we apply the EPA mileage figures for the 2015 Odyssey: 19 mpg city, 28 mpg highway, and 22 mpg combined. The ranges below assume a full tank.
- City range: about 370 miles (19.5 gal × 19 mpg).
- Highway range: about 546 miles (19.5 gal × 28 mpg).
- Combined range: about 429 miles (19.5 gal × 22 mpg).
Note: Real-world range varies with driving conditions, cargo load, and climate control use.
Practical fueling notes
Owners and shoppers should consider how often they typically drive and the availability of gas stations on routes. The tank size supports long highway trips with fewer refuels, but city driving with frequent stops will consume more fuel per mile.
Summary
The 2015 Honda Odyssey is equipped with a 19.5-gallon (73.9-liter) fuel tank, yielding an estimated range of roughly 370 miles in city driving, 546 miles on highways, and about 429 miles on a mixed cycle on a full tank, depending on driving conditions and vehicle load. This capacity helps buyers gauge refueling frequency and trip planning.
