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Which is bigger, the Acura MDX or RDX?

The Acura MDX is bigger.


As a family‑oriented three‑row SUV, the MDX offers more interior space and cargo capacity, while the RDX is a compact luxury SUV that prioritizes agility and urban practicality. Here’s how the two models compare in size and space for the latest versions.


Size and dimensions


Before listing the specific dimensional differences, this section outlines the basic footprint of each model.



  • Overall footprint: The MDX is noticeably larger in overall length and silhouette than the RDX, giving it a more substantial road presence.

  • Wheelbase: The MDX has a longer wheelbase, which typically translates to more interior legroom and a smoother ride.

  • Height and width: The MDX is generally taller and wider than the RDX, contributing to a roomier interior and a larger exterior footprint.

  • Seating implications: MDX offers three-row seating (up to seven passengers in many configurations), while the RDX is a five‑passenger compact SUV.


In short, the MDX’s bigger footprint directly supports its three‑row layout and greater interior capacity.


Interior space and practicality


Before the second list, this paragraph explains how seating arrangements and cargo space differ in practical terms.



  • Seating capacity: MDX can accommodate up to seven passengers with a third row, whereas RDX seats five with two rows of seating.

  • Cargo behind the second/third row: MDX provides more cargo space behind the third row and with all seats folded, compared with the RDX.

  • Flexibility: The MDX’s third row and larger overall interior enable more versatile passenger/cargo configurations, at the expense of maneuverability and fuel efficiency relative to the RDX.

  • Urban and daily use: The RDX’s smaller size generally makes it easier to maneuver and park in city environments.


Overall, the MDX offers more seating and cargo flexibility, reflecting its role as a family‑oriented, larger SUV.


Summary


Bottom line: The Acura MDX is bigger than the Acura RDX in length, wheelbase, exterior footprint, seating capacity, and cargo space. The MDX’s three‑row design and larger interior make it the more spacious choice, while the RDX remains the better option for buyers prioritizing a compact footprint, sportier handling, and urban versatility.

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.