The Honda Odyssey, known for its reliability and family-friendly design, has varying gas tank sizes depending on the model year and variation.
From 2020 to 2024, all trim levels of the Honda Odyssey have had a gas tank size of 19.5 gallons.
Understanding these differences is crucial for drivers regarding fuel budgeting, trip planning, and overall vehicle maintenance.
Gas Tank Capacity by Model Year
2020-2024
- 2020-2023 Models: These recent models of the Odyssey typically feature a fuel tank capacity of about 19.5 gallons. This capacity is consistent across various trim levels, including LX, EX, EX-L, Touring, and Elite.
2015-2019
- 2015-2019 Models: During these years, the Odyssey maintained a standard fuel tank size of approximately 21 gallons across all models.
2010-2014
- 2010-2014 Models: These models saw a slight variation in tank sizes, generally holding around 20-21 gallons.
Fuel Tank Size by Year
| Year | Models | Tank Capacity (gallons) |
|---|---|---|
| 2024 | LX, EX, EX-L, Touring, Elite | 19.5 |
| 2023 | LX, EX, EX-L, Touring, Elite | 19.5 |
| 2022 | LX, EX, EX-L, Touring, Elite | 19.5 |
| 2021 | LX, EX, EX-L, Touring, Elite | 19.5 |
| 2020 | LX, EX, EX-L, Touring, Elite | 19.5 |
| 2019 | All Models | 21 |
| 2018 | All Models | 21 |
| 2017 | All Models | 21 |
| 2016 | All Models | 21 |
| 2015 | All Models | 21 |
| 2014 | All Models | 20-21 |
| 2013 | All Models | 20-21 |
| 2012 | All Models | 20-21 |
| 2011 | All Models | 20-21 |
| 2010 | All Models | 20-21 |
Fuel Efficiency and Range
- 2020-2024 Models: These models average about 19-28 mpg, translating to a range of approximately 370 to 546 miles per tank.
- 2015-2019 Models: With an average fuel efficiency of 18-27 mpg, these models can achieve a range of roughly 378 to 567 miles per tank.
- 2010-2014 Models: These Odyssey models offer 17-25 mpg, equating to a range of 340 to 525 miles per tank.
Impact on Driving and Planning
Larger tanks, as seen in the 2015-2019 models, provide longer driving ranges, reducing the frequency of fuel stops on long trips. However, they may also result in higher refueling costs per trip.
Smaller tanks, like the 19.5-gallon tanks in the 2020-2023 models, may require more frequent stops but can be more economical for city driving and shorter commutes.
Driving with a Roof Box
Adding a roof box to an Odyssey can have a noticeable impact on the vehicle’s fuel efficiency. This effect is mainly due to the aerodynamic changes caused by the addition of the roof box, which can increase wind resistance.
Aerodynamic Effects
- Increased Drag: A roof box disrupts the aerodynamic shape of the Honda Odyssey, increasing air resistance or drag. This requires the vehicle to use more energy, thus more fuel, to maintain the same speed.
- Model-Specific Impact: While all Odyssey models will experience increased drag due to a roof box, the impact might be slightly more noticeable in models with lower base fuel efficiency, such as the 2010-2014 models.
Fuel Efficiency Reduction
- Estimated Efficiency Drop: On average, adding a roof box can reduce fuel efficiency by about 2-8%. This means that a model averaging 25 mpg could see its efficiency drop to around 23-24 mpg.
- Impact on Range: This decrease in fuel efficiency also reduces the overall range of the vehicle per tank. For instance, a 2020 Odyssey with a 19.5-gallon tank and an average of 28 mpg on the highway could see its maximum range decrease from about 546 miles to 530 miles or less.
Practical Considerations
- Driving Conditions: The impact on fuel efficiency is more pronounced at higher speeds, as wind resistance increases exponentially. Therefore, highway driving with a roof box will typically result in a more significant reduction in mpg compared to city driving.
- Roof Box Design: Aerodynamically designed roof boxes that are sleek and narrow tend to have a lesser impact on fuel efficiency compared to larger, boxier designs.
While a roof box adds practicality by increasing cargo space for the Honda Odyssey, it does come with the trade-off of reduced fuel efficiency due to increased drag.
Gas Tank Sizes Older Models
Here’s a table showing the gas tank sizes for Honda Odyssey models between 2000 and 2009:
| Year | Model Variations | Tank Capacity (gallons) |
|---|---|---|
| 2009 | LX, EX, EX-L, Touring | 21 |
| 2008 | LX, EX, EX-L, Touring | 21 |
| 2007 | LX, EX, EX-L, Touring | 21 |
| 2006 | LX, EX, EX-L, Touring | 21 |
| 2005 | LX, EX, EX-L, Touring | 20 |
| 2004 | LX, EX, EX-L | 20 |
| 2003 | LX, EX | 20 |
| 2002 | LX, EX | 20 |
| 2001 | LX, EX | 19.5 |
| 2000 | LX, EX | 19.5 |
It’s notable that from 2005 onward, the tank size was consistently around 21 gallons, providing a substantial range for family trips and daily commutes.
Pre-2000
During these years, the Odyssey was new to the market, and all models featured a fuel tank capacity of 17.2 gallons. This size reflects the vehicle’s initial design focus, offering a balance between size and efficiency suitable for family and personal use.
| Year | Model Variations | Tank Capacity (gallons) |
|---|---|---|
| 1999 | All Models | 17.2 |
| 1998 | All Models | 17.2 |
| 1997 | All Models | 17.2 |
| 1996 | All Models | 17.2 |
| 1995 | All Models | 17.2 |
Frequently Asked Questions
What is the average fuel efficiency of a 2020 Honda Odyssey?
The 2020 Odyssey averages around 19 mpg in the city and 28 mpg on the highway.
Is there a significant difference in fuel capacity between the LX and Elite models?
No, from 2020 to 2023, all Odyssey models, including LX and Elite, share the same 19.5-gallon tank size.
Were there any major changes in the gas tank size of the Odyssey over the years?
The most notable change occurred in 2020 when the tank size was slightly reduced from 21 gallons to 19.5 gallons.
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