Compare the 2022 Acura MDX vs. 2021 Acura RDX

Acura MDX vs RDX
2022 Acura MDX


2021 Acura RDX
$47,200 MSRP*

Starting Price

$38,400 MSRP*
290 hp, 3.5L V6

Standard Engine

272 hp, 2.0L VTEC Turbo
Sequential SportShift Manually Interactive Automatic Transmission

Standard Transmission

Manually Interactive Automatic Transmission





Searching for a luxury SUV that will provide the capability and performance you require to make the most of your life in Kyle or Buda? We know that in greater Austin, there’s plenty to do to keep busy, from nature to nightlife. If you want a vehicle that will keep you comfortable and safe while also offering the versatility you desire to carry bikes, kayaks, and gear around, not to mention your family, then you’ve likely been considering both the Acura RDX and Acura MDX. But which vehicle truly fits your needs better? Compare them now with Sterling Acura of Austin to find out!

Acura MDX vs. RDX: Starting MSRP

How much will the Acura RDX vs. MDX cost? The former vehicle is a compact SUV, while the latter is a midsize SUV, so as you might expect, the Acura MDX commands a premium:

  • Acura RDX Starting MSRP: $38,400*
  • Acura MDX Starting MSRP: $47,200*

You’ll even have four distinct trim packages to choose from in either SUV lineup, so you can find the model that fits your pricing needs along with all the features you need for your San Marcos commutes.

Acura MDX vs. RDX: Cargo Space and Seating

As we’ve intimated, the Acura MDX is larger than the Acura RDX. Both vehicles, however, offer standard seating for five passengers. Want more space? You’ll need to choose the Acura MDX, which offers packages that seat up to six or seven passengers across three rows of seating. Whichever SUV you chose, you will be treated to fold-flat rear seats to maximize cargo and storage space. In fact, the difference between the Acura MDX and RDX with regard to interior dimensions is as follows:

Acura MDX Dimensions

  • 18.1 cubic feet of cargo space behind the 3rd row
  • 48.4 cubic feet of cargo space behind the 2nd row
  • 95.0 cubic feet of cargo space behind the 1st row

Acura RDX Dimensions

  • 31.14 cubic feet of cargo space behind the 2nd row
  • 79.8 cubic feet of cargo space behind the 1st row

Acura MDX vs. RDX: Engine Power

Looking for better fuel economy? What about improved performance? While both the Acura MDX and RDX strike a delicate balance between the two within their respective segments, you’ll find that the Acura MDX boasts a larger standard engine than the Acura RDX does, while the Acura RDX boasts better standard fuel efficiency.

In either vehicle, you can swap out the standard FWD driveline system for available Acura Super-Handling All-Wheel Drive™ (SH-AWD®). The AcuraWatch™ safety suite is also available in all trim packages. Take a look at the base specs of the Acura RDX vs. MDX below:

Acura MDX Specs

  • 3.5L V6 engine
  • 10-speed automatic transmission
  • 290 horsepower and 267 lb-ft of torque
  • 19 mpg city/26 mpg highway**

Acura RDX Specs

  • 2.0L 4-cylinder turbo engine
  • 10-speed automatic transmission
  • 272 horsepower and 280 lb-ft of torque
  • 22 mpg city/28 mpg highway***

Compare Acura RDX vs. MDX Models in Person at Sterling Acura of Austin!

You’re now armed with information about the major differences between the 2022 Acura MDX and 2021 Acura RDX. Would you like to learn more? See how Acura SUVs compare the other models on the road with a look at the new Acura MDX vs. Audi Q7 or the Acura MDX vs. BMW X5. Contact us online or by phone at (512) 691-3800 to schedule a test drive! Meanwhile, appraise your trade and use our payment calculator to see how much your payments on a new Acura MDX vs. RDX could cost.


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*Prices shown are Acura suggested retail prices only and do not include taxes, license or destination and handling charge. Destination & Handling charge for sedans (excluding PMC Edition) and SUVs (excluding PMC Edition) is $1,045.00. Destination & Handling charge for PMC Edition models and NSX is $1,995.00. Acura vehicle accessory costs, labor and installation vary. Dealers set their own prices. Please consult your selected dealer.

**Based on 2022 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. 

***Based on 2021 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.

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4801 S IH 35 Frontage Rd • Austin, TX 78744

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Sterling Acura of Austin 30.2072295, -97.7556433.