For Acura’s 2026 U.S. SUV lineup, the ADX is the shortest and least expensive, followed by the RDX, then the three-row MDX. This ranking uses official exterior length as the measure of size; cargo capacity, seating, and towing tell a fuller story than length alone.
2026 Acura SUVs ranked by exterior length
Acura’s current U.S. comparison lists three 2026 SUVs: ADX, RDX, and MDX. Their lengths and starting prices rise in the same order, though that does not mean the relationship holds across every trim or drivetrain. Figures below are Acura specifications and listed base starting prices, not independent measurements or transaction-price averages. Acura’s SUV comparison
| Size rank | Model | Exterior length | 2026 base starting price | Seats / rows | Maximum cargo volume | Towing |
|---|---|---|---|---|---|---|
| 1 — shortest | ADX | 185.8 in | $35,000 | 5 / 2 | 55.1 cu ft | Not listed in Acura’s lineup comparison |
| 2 | RDX | 187.4 in | $45,100 | 5 / 2 | 79.8 cu ft | 1,500 lb |
| 3 — longest | MDX | 198.4 in | $51,800 | 7 / 3 | 95.0 cu ft | Up to 5,000 lb with SH-AWD |
By listed base starting price, the order is also ADX, RDX, MDX. The prices are not out-the-door totals: Acura says displayed suggested retail prices exclude taxes, title, license, destination, handling, registration, and documentary fees, and dealer prices can vary. Acura build-and-price information
What the size ranking means in practice
ADX: smallest footprint and lowest entry price
At 185.8 inches long, the 2026 ADX is the shortest Acura SUV in this lineup. Acura lists a $35,000 base starting price and 55.1 cubic feet of maximum cargo volume. It is a two-row, five-seat premium compact SUV. Acura’s specifications list a 1.5-liter turbocharged four-cylinder with 190 hp; FWD and AWD prices are shown separately on its specifications page. 2026 Acura ADX specifications
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RDX: nearly ADX length, substantially more cargo space
The 187.4-inch RDX is only 1.6 inches longer than the ADX, but its listed base starting price is $10,100 higher. Acura lists 79.8 cubic feet of maximum cargo volume, compared with 55.1 cubic feet for the ADX. The RDX has two rows and five seats; its 2026 specifications list a 2.0-liter turbocharged engine with 272 hp and SH-AWD. 2026 Acura RDX specifications
MDX: longest, with a third row
The 198.4-inch MDX is the largest Acura SUV by exterior length and the only three-row model in this comparison. It seats up to seven and has a listed maximum cargo volume of 95.0 cubic feet. Acura lists the standard 3.5-liter V-6 at 290 hp; the MDX Type S Advance uses a 3.0-liter turbocharged six-cylinder listed at 355 hp. The 5,000-pound maximum towing figure applies to MDX with SH-AWD. 2026 Acura MDX specifications
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How to choose among the ADX, RDX, and MDX
- Choose by footprint: The ADX is shortest; the RDX is just 1.6 inches longer; the MDX is 11.0 inches longer than the RDX.
- Choose by listed cargo capacity: Acura lists 55.1 cubic feet for ADX, 79.8 for RDX, and 95.0 for MDX at maximum. These figures do not by themselves describe cargo space behind every seating row.
- Choose by passenger capacity: ADX and RDX seat five in two rows; MDX seats up to seven in three.
- Choose by towing need: Acura lists 1,500 pounds for RDX and up to 5,000 pounds for MDX with SH-AWD. Its comparison does not list an ADX towing figure.
- Compare exact configurations before buying: Starting prices are for base models. Acura displays different prices by configuration, including ADX drivetrain, so compare the trim and drivetrain you intend to purchase.
Which Acura SUV models are included?
This ranking is limited to the three vehicles Acura names in its current 2026 U.S. SUV comparison: ADX, RDX, and MDX. Although an Acura ZDX page remains accessible, ZDX is not included in that comparison; the available pages do not establish a formal discontinuation date, so it is not ranked here. Acura ZDX page
Specifications and prices are those displayed on Acura’s official pages as accessed October 8, 2026. Acura notes that specifications are accurate at time of posting and that some packages or color combinations may be unavailable; model availability, prices, trim structures, and dealer inventory can change.
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Rank #3
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
