Vehicle Comparisons:
Acura RDX vs Acura MDX

There’s no shortage of luxury crossover SUVs on the road these days, and drivers near Pittsburgh, Wexford, and Butler can take comfort in the incredible number of choices they have. Two popular options are the midsize 2018 Acura MDX and the compact 2018 Acura RDX.

Which will meet your needs as a driver? Baierl Automotive is here to help you decide, with our Acura RDX vs. MDX car comparison. Learn more about the features and specs you’ll find in each ride!

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2018 RDX vs MDX Interior Specifications

Across the front- and second-row seats, the 2018 RDX and 2018 MDX are similarly comfortable for riders. The RDX gets 42 inches of front legroom and 38.3 inches of rear legroom, while the MDX gets 41.4 inches and 38.5 inches, respectively. Adults should find the space they need to stay comfortable in the first two rows of either vehicle.

As a midsize crossover, the MDX adds a third row of seats to make room for six or seven riders (the number depends on whether you choose the second-row captain’s chairs). It has 28.1 inches of legroom, perfect for kids. If you plan on having a lot of riders, the MDX has the capacity for them; if not, the five-passenger RDX may have all the space you need.

Acura RDX vs. MDX Performance Specs

When it comes to acceleration, the Acura MDX has a slight advantage. With a 3.5L V6 engine paired with a 9-speed automatic transmission, it delivers 290 horsepower and 267 lb-ft of torque, great for merging onto highways or zipping around town. The Acura RDX, meanwhile, gets 279 horsepower and 252 lb-ft from its 3.5L V6, equipped with a 6-speed automatic.

The situation reverses with fuel economy, giving the RDX a slight advantage. It gets an EPA-estimated fuel efficiency rating of 20 city and 28 highway MPG, while the MDX scores just a bit lower, with 19 city and 27 highway MPG.1 Choose the MDX for more power and the RDX for fewer stops at the pump.

Safety & Security

The 2018 RDX and 2018 MDX succeed in more ways than one when it comes to safety. Each car performed well on the NHTSA’s battery of crash tests, earning a 5-Star Overall Safety Rating.2 They both have all kinds of driver-assist features.

The RDX and MDX have a standard rearview camera that offers multiple viewpoints, helping confirm your own line of sight when you need to back up. The AcuraWatch™ suite of active safety features is standard on the MDX and available on the RDX, adding features like Lane Keeping Assist and Adaptive Cruise Control to the mix.

Acura MDX vs RDX

In a 2018 Acura RDX vs. 2018 Acura MDX head-to-head, each car has its advantages for drivers near Butler, Wexford, and Pittsburgh. The RDX is ideal if you’re expecting fewer riders and want more efficiency, while the MDX is perfect for more power and passenger room.

You may already have an idea of which you prefer, but browsing our inventory online might help put things into better perspective. Contact our team at Baierl Automotive for more infromation on either SUV today!


1 Based on 2018 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 models only) and other factors.

2 Government 5-Star Safety Ratings are part of the National Highway Traffic Safety Administration’s (NHTSA’s) New Car Assessment Program. For additional information on the 5-Star Safety Ratings program, please visit