
2023 Acura MDX Vs. 2023 Acura RDX: Features, Performance, & Dimensions
When deciding between the 2023 Acura MDX vs. 2023 Acura RDX SUVs for sale, it's hard to go wrong. These new Acura SUVs offer sleek styling, sporty performance, practicality, and feature-filled luxurious interiors. While similar, the Acura MDX and Acura RDX boast differences in size, performance, and tech. After you read our model review and comparison, we invite you to our dealership for a side-by-side comparison and test drive to find your perfect fit.
Acura MDX vs. RDX Performance Specs
The 2023 Acura RDX premium sport crossover packs a punch with a turbocharged VTEC 2.0-liter four-cylinder, making 272 horsepower, but the 2023 Acura MDX is more powerful. Under the hood is a 3.5-liter V-6 engine with 290 horsepower that offers ample acceleration and capability. If you're looking for even more performance, the 2023 Acura MDX Type S adds a turbocharger for a greater dose of sportiness and an increase of output to 355 horsepower.
In a 2023 Acura MDX vs. RDX comparison, both complement the power with available SH-AWD for enhanced capabilities and agile handling. While the performance-imbued driving is excellent, the Acura RDX and MDX both look the part of a performance machine as well. Sleek curves, sporty aerodynamic elements, and modern touches make these Acura SUVs look as good as they drive.


Acura RDX vs. MDX Tech Features
Neither the MDX nor the RDX will disappoint in their tech and premium features. Stepping into the Acura MDX interior, you're greeted with a luxurious cabin outfitted with premium materials; the same goes for the premium Acura RDX interior. Beyond luxury, the 2023 Acura MDX offers tech like a 12.3-inch HD Center Display with Alexa built-in, an available Wi-Fi hotspot, wireless charging for compatible devices, a head-up display, and much more.
With the Acura RDX, you get a 10.2-inch HD dual-content center display, a 7-inch Multi-Information display, an available Wi-Fi hotspot, and Acura/ELS Studio 3D Premium Audio System, among other competitive features. Both vehicles offer AcuraLink to keep you connected to your car, giving you a remote start, Find My Car, gas tank and tire pressure readouts, and more from your phone. Previous model years still offer great tech and features, so check out our used Acura RDX inventory to find savings on this luxurious crossover today.
Acura MDX or RDX: Which Is More Practical?
Of course, when considering a new Acura for sale, practicality will be a deciding factor. An Acura RDX vs. MDX size comparison will show that both vehicles meet the needs of many drivers. While the RDX is smaller than the MDX, the RDX holds its own with seating for five and a 79.8 cubic feet max cargo volume behind the first row of seats. The larger MDX can seat seven and has a larger 95.0 cubic feet of cargo space behind the first row.
When comparing the 2023 Acura MDX vs. 2023 Acura RDX fuel economy, both vehicles offer impressive figures. The 2023 Acura RDX delivers an EPA-estimated 22/28/24 MPG1 (City/Highway/Combined).
The FWD Acura MDX delivers an EPA-estimated 19/26/22 MPG1 (City/Highway/Combined) for the 2023 model year. While the RDX gets slightly better fuel economy than the MDX, the difference is negligible when considering the MDX's bigger and more powerful engine.

Acura RDX vs. MDX Size Comparison
The MDX or RDX will let you carry all your gear and tackle that road trip with outstanding efficiency. But how big are they? Naturally, as we mentioned, the Acura RDX is a smaller crossover with five seats, while the Acura MDX is a larger three-row SUV with seven seats. We put together a comparison chart to help you see the 2023 Acura RDX vs. MDX differences in size.
2023 Acura RDX | 2023 Acura MDX | |
Total Length | 187.4 in | 198.4 in |
Wheelbase | 108.3 in | 113.8 in |
Width (incl. mirrors) | 74.8 in | 78.4 in |
Height | 65.7 in | 67.1 in |
Ground Clearance | 8.2 in | 7.3 in |
Seating Capacity | 5 | 7 |
Cargo Volume | 79.8 cu ft | 95.0 cu ft |
Passenger Volume | 104 cu ft | 139.1 cu ft |
When it comes to 2023 Acura MDX vs. 2023 Acura RDX dimensions, the three-row Acura MDX with seven seats has more cargo area and passenger room. The MDX provides 38.5 inches of headroom and 41.6 inches of legroom in the front row. Second-row passengers are also comfortable with 38.1 inches of headroom and 38.5 inches of legroom.
The smaller RDX delivers more headroom, with 40 inches in the first row and 38 inches in the rear. There's also more room to stretch out, with 42 inches of legroom up front and 38 inches in the second row. So if you're a taller driver and don't need the extra row of seating, an Acura RDX may suit you better. To find out, climb into our new Acura specials and see which vehicle fits you best.
Our Acura SUV Dealership
Phil Smith Acura is proud to offer competitive pricing and friendly service at our Acura dealership in Pompano Beach, FL. Whether you're looking at leasing a new Acura or one of our used Acura MDX financing specials, we offer a range of options. We hope you'll discover the experience we offer at our nearby Acura dealership today.
Frequently Asked Questions
Which is better, Acura MDX or RDX?
A 2023 Acura MDX vs. RDX comparison will show similarities and differences in size, performance, and passenger room. Finding the best new Acura SUV depends on your needs and preferences. If you need a three-row, seven-seater, then the Acura MDX is the better SUV. If you need a two-row SUV to boost your versatility, then the Acura RDX beats the MDX in your garage.
Is the RDX bigger than the MDX?
No, the new Acura MDX SUV is bigger than the new Acura RDX for sale. The Acura MDX is a three-row SUV with seven seats. The Acura MDX is longer, wider, and taller than the Acura RDX. The MDX also sits on a bigger wheelbase and offers more passenger room and cargo space. However, the Acura RDX has slightly more headroom and legroom.
What is the difference between the Acura MDX and RDX SUVs?
If you're looking for the differences between the Acura MDX and RDX SUVs, the Acura MDX is bigger, has more rows of seating, and boasts a bigger engine than the Acura RDX. The Acura MDX is designed for families with more than two child safety seats and drivers who need ample cargo room and towing capabilities. The Acura RDX is a premium crossover with a sporty drive.
Continue Your Acura Research:
Acura MDX Towing Guide | 2023 Acura MDX Release Guide |
Acura RDX Release Guide | Acura Integra Release Guide |
Want To Test Drive Our 2023 Acura RDX or MDX? Contact Us!
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1Based on 2023 EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid only) and other factors.