Is Acura RDX or MDX better?

The Acura RDX is typically the better pick for buyers who want a sportier, more affordable two-row crossover with strong fuel efficiency. The MDX is the stronger choice for families who need more seating, extra cargo space, and a broader range of powerful drivetrains, including performance-oriented options.

This article compares the two models across key factors like price, performance, interior space, technology, safety, and overall value. By outlining strengths and trade-offs, you can decide which Acura SUV aligns with your priorities and budget.

Performance and Powertrains

Both models offer modern turbocharged powertrains, with the MDX expanding into hybrid and high-performance variants. This section explains what you get in everyday driving and on longer journeys.

• The RDX uses a turbocharged 2.0-liter four-cylinder engine producing about 272 horsepower, paired with a 10-speed automatic transmission. All-wheel drive is available, and the RDX emphasizes quick acceleration and nimble handling for a compact luxury feel.


• The MDX starts with a 3.5-liter V6 around 290 horsepower, also with a 10-speed automatic and available SH-AWD. It delivers smoother, more refined workhorse power suitable for larger families and longer trips.


• For buyers seeking efficiency, the MDX offers a Sport Hybrid version that combines the V6 with electric motors for enhanced fuel economy and steady performance, especially in city driving.


• There is a performance-focused MDX Type S that packs a turbocharged V6 with substantially more horsepower, delivering a notably stronger punch for enthusiasts who want sportier dynamics from a three-row SUV.

In practice, the RDX feels quicker and more bullish at city speeds, while the MDX (especially in non-hybrid form) prioritizes smooth power delivery and highway refinement. If you value outright pace in a compact package, the RDX is appealing; if you need three rows and more power availability, the MDX wins on that front.

Interior, Space, and Comfort

Interior layout and seating capacity are major differentiators. This section outlines who benefits from each model’s design and space philosophy.

• The RDX is a five-passenger, two-row SUV with a premium, feature-rich cabin and a sporty cockpit, focusing on driver engagement and convenient daily use.


• The MDX seats six or seven people depending on seating configuration (captain’s chairs or a bench in the second row) and offers significantly more cargo space with or without the third row folded. This makes it more suitable for larger families or frequent multi-passenger trips.


• Material quality, comfort, and rear-seat space are strong in both models, but the MDX tends to feel roomier overall due to its size and three-row versatility, while the RDX emphasizes a sportier, more compact premium experience.


• Front-seat ergonomics and HVAC controls are designed for ease of use in both, with intuitive infotainment layouts and available leather/trim upgrades to elevate the sense of luxury.

Overall, if you regularly ferry more than four passengers or require flexible cargo configurations, the MDX offers the better layout. If you mostly drive solo or with one other passenger and prize a sporty, maneuverable compact SUV, the RDX shines.

Technology, Features, and Safety

Safe, connected driving experiences are central to both models. This section covers the tech and safety features you’ll likely encounter on each SUV.

• Both vehicles come standard with AcuraWatch or equivalent advanced safety suites, including collision mitigation braking, adaptive cruise control, and lane-keeping assistance. Optional or higher trims add more driver-assist features and camera systems.


• Infotainment in both uses modern displays with smartphone integration (Apple CarPlay and Android Auto). The system’s responsiveness and usability are comparable, with premium audio options and navigation available on higher trims.


• The MDX’s larger cabin sometimes offers more in-dash real estate and additional dashboard storage, while the RDX emphasizes a clean, cockpit-like interface with easy access to controls and settings.


• Technology packages across both SUVs add features such as wireless charging, larger displays, upgraded audio, and advanced driver assistance. Availability varies by trim level.

In short, both SUVs deliver competitive tech and safety packages. The MDX’s extra space and optional tech upgrades can tilt the scale for families prioritizing convenience and high-end comfort, while the RDX offers a strong tech suite paired with a more engaging, driver-focused feel.

Value, Ownership Costs, and Practicality

Costs of ownership, warranty coverage, and long-term value are key considerations. This section compares expected expenses and practical advantages.

• The RDX generally carries a lower starting price and lower total cost of ownership over typical ownership periods, making it an attractive entry point into luxury SUVs.


• The MDX commands a higher starting price but offers greater interior space, seating flexibility, and a wider range of powertrains, including a hybrid option and a high-performance variant for buyers who want more capability.


• Both vehicles come with Acura’s warranty coverage (broad bumper-to-bumper and powertrain terms) and a proven reliability track. Maintenance costs align with other luxury brands in the segment, with differences largely tied to trim selection and drivetrain.


• Resale value for Acura SUVs tends to be solid in the luxury segment, aided by features, brand perception, and long-term durability, though depreciation can be steeper for higher-end MDX trims and Type S models.

For buyers prioritizing value and efficiency, the RDX offers compelling economics. If space, versatility, and broader drivetrain options matter more, the MDX’s higher initial investment can be justified by its practical advantages and performance range.

Bottom Line: Which should you choose?

If you mainly need a nimble, well-equipped luxury crossover for everyday driving and occasional family use, the RDX is an excellent choice with lower running costs. If your needs include three-row seating, more cargo capacity, and a wider array of powertrains (including hybrid and performance variants), the MDX provides greater flexibility and capability.

To decide, think about how you’ll use the vehicle: daily commuting versus weekend family trips, passenger count, and how much you value sportiness versus space. Test drives of both models in your typical configuration can reveal which one feels right in terms of ride comfort, visibility, and overall driving experience.

Summary

The Acura RDX excels as a sporty, efficient two-row SUV with strong value and an engaging drive. The MDX stands out as a practical, spacious three-row SUV with more powertrain variety and higher-end options. Your choice should align with your capacity needs, budget, and how much you value performance versus practicality.

Which is better, Acura MDX or RDX?

The choice between the Acura MDX and RDX depends on your priorities: the MDX is better for families needing more space, as it is a larger, three-row SUV with a more powerful engine and higher towing capacity. The RDX is better for those prioritizing a more compact size, fuel efficiency, and a sportier feel, making it ideal for city driving or smaller households.
 
You can watch this video to see a direct comparison of the Acura MDX and RDX: 55sCar ConfectionsYouTube · Mar 2, 2025
Acura MDX

• Best for: Larger families, carpooling, and those who need to tow. 
• Pros:
  • Spacious interior: Has three rows of seating for up to seven passengers and significantly more cargo space. 
  • More power: Features a standard 290-horsepower V6 engine and an available 355-horsepower turbocharged V6 in the Type S model. 
  • Higher towing capacity: Can tow up to 5,000 pounds when properly equipped. 
• Cons:
  • Lower fuel economy: Gets slightly lower MPG compared to the RDX. 
  • Higher price point: Generally more expensive than the RDX. 

Acura RDX

• Best for: Singles, couples, and small families who prioritize a more nimble vehicle and fuel efficiency. 
• Pros:
  • More fuel-efficient: Offers better gas mileage than the MDX. 
  • More compact and agile: Easier to maneuver and park, making it well-suited for city driving. 
  • Lower starting price: More affordable than the MDX. 
• Cons:
  • Less passenger and cargo space: A two-row, five-passenger vehicle with less overall cargo volume. 
  • Lower towing capacity: Can only tow up to 1,500 pounds. 

This video provides an in-depth review and comparison of the two SUVs: 50sNapolean Hill's SeminarYouTube · Nov 28, 2024

What is the best Acura SUV to buy?

The "best" Acura SUV depends on your needs: choose the Acura MDX for three-row seating and more power, while the Acura RDX is ideal for a smaller, more agile, and fuel-efficient option. The MDX is often ranked highest for its family-friendly features and premium feel, while the RDX is celebrated for its performance and value in the compact luxury segment.
 
For families and larger groups: Acura MDX

• Seating: Offers three rows of seating, accommodating up to seven passengers. 
• Performance: Comes standard with a powerful 290-horsepower V6 engine, with an available 355-horsepower twin-turbo V6. 
• Features: Includes a large 12.3-inch touchscreen, wireless Apple CarPlay/Android Auto, and available premium sound systems. 
• Best for: Those who need maximum passenger capacity, more cargo space, and a more premium, powerful ride. 

For individuals or smaller families: Acura RDX

• Size: A more compact and agile option, making it easier to maneuver in cities. 
• Performance: Features a 2.0-liter turbocharged four-cylinder engine that balances efficiency and power. 
• Features: Comes with standard SH-AWD® across the range. 
• Best for: Drivers prioritizing fuel economy, a smaller footprint, and lower price point, while still wanting luxury and performance. 

How much bigger is an Acura MDX than RDX?

The Acura MDX is larger than the RDX in most dimensions, with the MDX being about 11 inches longer and 4 inches wider. The MDX is a mid-size, three-row SUV with a seating capacity of seven, while the RDX is a compact, two-row SUV with seating for five. This size difference translates to more passenger and cargo space in the MDX, though the RDX is slightly more compact and easier to maneuver.
 

Feature	Acura MDX	Acura RDX
Seating Capacity	7	5
Length	198.4 inches	187.4 inches
Width	78.7 inches	74.8 inches
Height	67.9 inches	65.7 inches
Max Cargo Volume	95 cubic feet	79.8 cubic feet
Wheelbase	113.8 inches	108.3 inches

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What year of Acura RDX to stay away from?

The Acura RDX years to avoid are generally the 2015, 2019, and 2021 models due to significant issues. The 2019 is often cited as the worst, especially the first model year of the third generation, with problems like engine stalling and power loss. Other years with notable problems include the 2013, 2014, and 2018. 
This video discusses common problems with the Acura RDX, including potential engine, transmission, and electrical issues: 59sHey, ask your dadYouTube · May 24, 2025
Years to be cautious about

• 2013-2015: These years can have transmission issues like rough shifting and slipping, and some models may have engine oil leaks. 
• 2015: In addition to transmission problems, this model year had issues with airbags and the soy-based wiring insulation attracted animals. 
• 2018: Reported transmission problems and potential engine issues like head gasket or timing chain problems have been noted. 
• 2019: This is widely considered the least reliable model year, particularly because it was the first year of a new generation. Owners have reported engine stalling, power loss, and issues with the rear glass shattering. 
• 2021: This year experienced issues with the transmission, brakes, and engine stalling due to a potential intercooler design flaw that could let moisture into the engine. 

What to do if buying used

• Thoroughly inspect any used model for the specific issues mentioned above. 
• If considering one of these years, have a trusted mechanic perform a pre-purchase inspection. 
• Check for service records and recall history. 

This video demonstrates how to inspect an Acura RDX for potential issues, including engine oil leaks and suspension problems: 58sBCauto_YouTube · Aug 21, 2024