2026 Lexus RX vs 2026 Acura MDX

The 2026 Lexus RX and the 2026 Acura MDX both wear the luxury midsize SUV label, but they are built around different priorities. The RX is a two-row, five-passenger SUV designed around comfort, efficiency, and a hybrid lineup. The MDX is a three-row SUV built to seat up to seven.

This page breaks down where the RX and MDX actually differ: seating, power, fuel economy, cargo room, safety tech, and starting price. Some categories favor the RX. Others favor the MDX. You will see both laid out plainly, with specifics that matter for a commute across the Monroe Street Bridge or a weekend drive toward Coeur d'Alene.

Current RX Inventory

A Quick Look

How the 2026 RX and 2026 MDX Compare

A hybrid lineup the MDX does not offer. The RX 350h returns an estimated 36 mpg combined, and the RX 450h+ plug-in hybrid adds up to an estimated 38 miles of electric-only range. Acura does not build a hybrid or plug-in MDX.
The MDX seats up to seven across three rows. The RX seats five across two rows, a real tradeoff for buyers who regularly carpool or haul a full house of kids.
More cargo room right behind the front seats. The RX's 29.6 cubic feet behind its rear seats beats the MDX's 16.3 to 18.1 cubic feet behind its third row, though the MDX's third row folds away for more overall volume.
The RX 500h F SPORT Performance hybrid tops out at an estimated 366 net horsepower. The MDX Type S Advance's turbocharged V6 makes 355 horsepower, its strongest available output.
Both SUVs carry the same 48-month/50,000-mile basic warranty and 72-month/70,000-mile powertrain warranty. Neither brand has an edge on coverage length.
Towing edges toward the MDX in SH-AWD trim. Its 5,000-pound max beats the RX's 3,500-pound rating, a detail worth knowing if you tow a boat or small trailer around Lake Coeur d'Alene.

How They Drive

The base 2026 Acura MDX makes more horsepower from its standard engine than the base RX, 290 hp from its 3.5-liter V6 against 275 hp from the RX 350's turbocharged four-cylinder. Step up to the MDX Type S Advance and its turbocharged V6 reaches 355 horsepower, Acura's strongest MDX output.

The RX answers with the hybrid it drives the MDX doesn't build. The RX 500h F SPORT Performance combines its turbo engine with an electric motor for an estimated 366 net horsepower, ahead of even the Type S Advance, and Lexus rates its 0 to 60 mph time at 5.9 seconds.

Towing tells a different story. The MDX's SH-AWD system pushes max towing to 5,000 pounds, well past the RX's 3,500-pound ceiling, a real consideration for anyone hauling a boat toward Lake Coeur d'Alene or Priest Lake.

Tech & Specs

Luxury SUV Spec Comparison

Specification	2026 Lexus RX	2026 Acura MDX
Starting MSRP (base trim)	$51,175 (RX 350 FWD, incl. DPH)	$51,800 (MDX FWD, excl. destination)
Seating Capacity	5 passengers, 2 rows	Up to 7 passengers, 3 rows
Base Engine Output	275 hp (2.4L turbo I4)	290 hp (3.5L V6)
Max Available Horsepower	366 hp (RX 500h F SPORT Performance hybrid)	355 hp (Type S Advance, turbo V6)
Hybrid or Plug-In Option	RX 350h (est. 36 mpg combined); RX 450h+ (est. 38-mi EV range)	Not offered
Fuel Economy, Combined (base trim, est.)	25 mpg (RX 350 FWD)	22 mpg (MDX FWD)
Cargo Space (behind rear-most row)	29.6 cu ft	16.3 to 18.1 cu ft
Max Cargo (seats folded)	46.2 cu ft	Up to 95.0 cu ft (behind first row)
Overall Length / Wheelbase	192.5 in / 112.2 in	198.4 in / 113.8 in
Towing Capacity	3,500 lbs	3,500 lbs (FWD) / 5,000 lbs (SH-AWD)
Standard Safety Suite	Lexus Safety System+ 3.0	AcuraWatch
Basic / Powertrain Warranty	48-mo/50,000-mi / 72-mo/70,000-mi	48-mo/50,000-mi / 72-mo/70,000-mi

Starting MSRP figures are manufacturer reference points and can change without notice. The Lexus RX figure includes the Delivery, Processing and Handling (DPH) fee; the Acura MDX figure excludes destination and handling, which historically adds close to $1,300. Neither figure includes taxes, title, license, or dealer fees. Fuel economy estimates are EPA figures for comparison only and will vary with options, driving conditions, and maintenance. Contact Findlay Lexus of Spokane to confirm current RX pricing and availability.

Two rows versus three

Seating & Space

This is the difference that matters most before you compare a single spec sheet number. The MDX seats up to seven passengers across three rows, while the RX seats five across two rows. Lexus moved its three-row SUV duties to the separate TX model, so the RX is built specifically as a two-row vehicle.

Behind the seats you use daily, the RX actually offers more room: 29.6 cubic feet compared to the MDX's 16.3 to 18.1 cubic feet behind its third row. Fold the MDX's rear seats flat, though, and total cargo volume climbs to nearly 95 cubic feet, more than the RX's 46.2-cubic-foot maximum.

Families who need a third row for carpools or grandparents lean toward the MDX. Couples, small families, or empty nesters who want more usable trunk space day to day often prefer the RX.

Where the RX pulls ahead

Fuel Economy

The RX 350 FWD rates at an estimated 25 mpg combined, already ahead of the MDX FWD's estimated 22 mpg combined. That gap widens once hybrid power enters the picture.

The RX 350h returns an estimated 36 mpg combined, and the RX 450h+ plug-in hybrid adds up to an estimated 38 miles of electric-only range before its gas engine engages. Acura does not currently offer a hybrid or plug-in MDX, so drivers chasing lower fuel costs have no equivalent option in the MDX lineup.

For a Spokane commute that stretches across town or down to Coeur d'Alene for work, that difference adds up at the pump over a year of ownership.

Safety Features

Both automakers standardize their full driver-assist suites across every 2026 trim, so neither brand charges more for the basics.

Lexus Safety System+ 3.0 comes standard on every RX grade: a Pre-Collision System with Pedestrian Detection, adaptive cruise control, lane departure alert, lane tracing assist, road sign assist, and automatic high beams. AcuraWatch comes standard on every MDX trim: Collision Mitigation Braking System, adaptive cruise control, lane-keeping assist, and a Road Departure Mitigation system.

Neither suite has a clear edge in scope. Both give every buyer a well-equipped base trim without an options-list upcharge.

Compare the Numbers

Pricing & Value

Starting prices land close together. The RX 350 FWD starts at $51,175, including the DPH fee, against the MDX FWD's $51,800, which does not include Acura's destination charge. Once that charge is added, the two SUVs start within a few hundred dollars of each other.

Where the RX pulls ahead on value is the range of powertrains available without leaving the lineup. A shopper can move from the efficient RX 350 to the hybrid RX 350h to the 366-horsepower RX 500h F SPORT Performance, all under one nameplate.

Findlay Lexus of Spokane stocks new 2026 RX inventory at 1030 W. 3rd Avenue in downtown Spokane. Our team can walk you through current RX inventory and financing options before you ever set foot on the lot.

Which SUV Fits Your Driveway?

Choose the 2026 Lexus RX if you:

Want a hybrid or plug-in hybrid option without cross-shopping a different nameplate
Value more cargo room behind the seats you use every day
Do not need a third row and would rather have a lower running cost instead
Want the strongest available horsepower in this comparison, from the RX 500h

Choose the 2026 Acura MDX if you:

Need to seat six or seven passengers across three rows on a regular basis
Plan to tow a boat or trailer and want the SH-AWD model's 5,000-pound rating
Want maximum cargo volume with the rear seats folded flat

Both are backed by identical warranty coverage, so the decision comes down to how many seats you need and how you want to power the drive. That is easiest to feel from behind the wheel.

Questions Spokane Shoppers Ask Before Deciding

FAQ: RX vs MDX

Choosing between a five-seat hybrid-capable SUV and a three-row V6 usually comes down to a short list of real questions. Here is what Spokane-area shoppers ask most before picking between the 2026 RX and 2026 MDX.

What's the biggest difference between the 2026 Lexus RX and the 2026 Acura MDX?

The RX seats five across two rows and offers hybrid and plug-in hybrid powertrains. The MDX seats up to seven across three rows but is not available as a hybrid. That single difference usually decides the comparison before any other spec matters.

Does the Lexus RX or Acura MDX offer more standard technology?

Both come well equipped at their base trims with standard driver-assist safety suites and touchscreen infotainment. Trim-for-trim technology varies, so a side-by-side test drive at Findlay Lexus of Spokane shows the real differences fastest.

Do the RX and MDX come with the same warranty coverage?

Yes. Both carry a 48-month/50,000-mile basic warranty and a 72-month/70,000-mile powertrain warranty from the factory, so neither brand has an edge on coverage length or mileage.

Which SUV fits a Spokane family better, the RX or the Acura MDX?

Families who need to seat six or seven people regularly will likely prefer the MDX's third row. Smaller families or couples who want more usable cargo room and a hybrid option often find the RX fits daily life better.

Can I test drive the 2026 RX at Findlay Lexus of Spokane?

Findlay Lexus of Spokane, at 1030 W. 3rd Avenue in downtown Spokane, keeps new 2026 RX inventory on site for test drives. Ask your sales consultant about a side-by-side comparison to feel the difference in seating and power firsthand.

Is the RX or the MDX the smarter buy for the money?

The two start within a few hundred dollars of each other once Acura's destination charge is added in. The RX offers a hybrid path to lower running costs, while the MDX offers a third row the RX does not have.

How do I decide between the 2026 RX and 2026 MDX?

Start with seating. If you need a third row regularly, the MDX covers that need. If two rows are enough and you want a hybrid or plug-in option, the RX is the stronger fit. A test drive at Findlay Lexus of Spokane usually settles it fast.

At Findlay Lexus of Spokane

Explore the 2026 Lexus RX

We have walked through the specs, but the easiest way to choose between the 2026 RX and 2026 MDX is to sit in the RX yourself. Findlay Lexus of Spokane is located at 1030 W. 3rd Avenue in downtown Spokane, WA, serving Eastern Washington, the Tri-Cities area, and the Inland Northwest.

Browse our current 2026 RX inventory across gas, hybrid, and plug-in hybrid trims, or schedule a test drive and feel the difference for yourself.

Browse 2026 RX Inventory Schedule a Test Drive