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What is the interior volume of a Honda Clarity?

The Honda Clarity lineup provides roughly 99 cubic feet of passenger space and about 13 cubic feet of trunk space behind the rear seats, with only small variations across its Plug-in Hybrid, Electric, and Fuel Cell variants.


What counts as interior space in the Clarity


Interior volume is typically measured in two main categories for a mid-size sedan like the Clarity: passenger room (feet of space for people inside) and cargo space (how much room is in the trunk or rear storage area). The Clarity models share a similar cabin layout, but exact numbers can shift slightly by year and variant.


Passenger volume


Below is a summary of typical passenger-space figures you can expect across Clarity variants.



  • Passenger volume: approximately 97–101 cubic feet

  • Note: These figures can vary slightly by model year and variant, but generally stay near the 100 cu ft mark.


In practical terms, that level of passenger space supports comfortable seating for five adults, with ample room in the second row for longer trips.


Cargo space


Below is a summary of typical cargo-space figures behind the rear seats across Clarity variants.



  • Cargo volume: approximately 13–15 cubic feet

  • Note: The trunk size is adequate for groceries, luggage, and everyday gear, though it is not a large cargo-hauler compared with some larger sedans or SUVs.


For frequent travelers or families, the trunk offers a usable amount of space without sacrificing passenger comfort.


Variant differences and how numbers are measured


Honda has published consistent interior-space figures across the Clarity family, but there are minor year-to-year differences and small variances among the Plug-in Hybrid, Electric, and Fuel Cell models. When comparing specific model years or trims, it’s best to consult the official Honda spec sheet for that year to confirm exact numbers.


What this means for buyers


If interior space is a priority, the Clarity delivers near-100 cubic feet of passenger room and a practical trunk despite its relatively compact exterior footprint. Families and long-distance commuters should find the cabin comfortable for up to five passengers, with sufficient cargo capacity for weekend trips or routine errands.


Summary


The Honda Clarity offers about 99 cubic feet of passenger volume and roughly 13 cubic feet of cargo space behind the rear seats. These figures remain broadly consistent across its three variants, with exact numbers varying slightly by model year. For anyone evaluating space against competing sedans or planning the needs of a full carload, the Clarity’s cabin remains competitive in its class while prioritizing a roomy front-to-back experience over oversized cargo capacity.

What is the load capacity of the Honda Clarity?


906 lbs.
A 2018 Honda Clarity Plug-In Hybrid Touring has a load capacity of 906 lbs.



How does the Clarity compare to Prius Prime?


The Honda Clarity Plug-In Hybrid features a 1.5L In-Line 4-Cylinder engine that boasts 103 horsepower, while the Prius Prime has a 1.8L In-Line 4-Cylinder engine that generates 95 horsepower. Both engines work with their respective electric motors to boast more horsepower and torque while improving fuel efficiency.



How big is the trunk of the Honda Clarity?


The Clarity Plug-In Hybrid has 15.5 cubic feet of cargo space, which is above average for a midsize car. That number drops to 14.3 cubic feet in the all-electric version or 11.8 cubic feet in the Clarity Fuel Cell. Interior storage is impressive, with a generously sized center console bin and sizable door pockets.


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Kevin Bennett

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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.