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Acura RDX vs Mazda CX-90 - Differences and prices compared

Compare performance (272 HP vs 340 HP), trunk space and price (44,700 $ vs 37,800 $ ) at a glance. See which model fits your needs and budget better – Acura RDX or Mazda CX-90?

Acura RDX vs Mazda CX-90: Key differences

Acura RDX

  • moderately lighter

Mazda CX-90

  • somewhat cheaper
  • somewhat more power
  • a bit more efficient

Here’s where it gets real: The technical differences in detail

CX-90

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mazda CX-90 is somewhat cheaper – starting at 37,800 $ , while the Acura RDX costs 44,700 $ . That’s a price difference of around 6,855 $.

When it comes to city fuel economy, the Mazda CX-90 performs a bit better – achieving 24 mpg, compared to 21 mpg for the Acura RDX. That’s a difference of about 3 mpg.

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mazda CX-90 offers somewhat more power – delivering 340 HP compared to 272 HP. That’s roughly 68 HP more horsepower.

There’s also a difference in torque: the Mazda CX-90 delivers clearly more torque with 369 lb-ft compared to 280 lb-ft. That’s about 89 lb-ft more.

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: Mazda CX-90 offers more seats – 8 vs 5.

In terms of curb weight, Acura RDX is moderately lighter – 4,014 lbs compared to 4,735 lbs. The difference is around 721 lbs.

Who wins the race in the data check?

The Mazda CX-90 is far ahead overall in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from $37,800
CX-90

Mazda CX-90

  • Engine Type :
  • Transmission : Automatic
  • Drive Type : All Wheel
  • Power HP : 280 - 340 HP
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View detailed analysis

Engine and Performance
View detailed analysis

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General
View detailed analysis

Acura RDX

The Acura RDX blends crisp handling with a plush, tech-rich cabin that makes the daily grind feel a bit more first class. It’s not the flashiest in the lineup, but its honest athleticism, generous features, and rock-solid value make it a smart pick for drivers who like their luxury with a practical streak.

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Mazda CX-90

The Mazda CX-90 brings sports-sedan swagger to the family SUV crowd, pairing a poised chassis with a hushed, upscale cabin that feels genuinely premium. It’s roomy, refined, and surprisingly fun to steer, making it a savvy alternative to the usual luxury suspects—just know the ride leans firm in exchange for that grin-inducing composure.

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Mazda CX-90

Costs and Consumption
Price
44,700 - 54,500 $
Price
37,800 - 56,500 $
FuelEconomy City
21 mpg
FuelEconomy City
23 - 24 mpg
FuelEconomy Hwy
26 - 27 MPG
FuelEconomy Hwy
28 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
17.1 gal
Fuel tank capacity
18.5 - 19.6 gal

Dimensions and Body
Body Type
SH-AWD
Body Type
i-ACTIV AWD Sport Utility
Seats
5
Seats
6 - 8
Doors
-
Doors
-
Curb weight
4,014 - 4,058 lbs
Curb weight
4,735 - 4,901 lbs
Trunk Volume
-
Trunk Volume
-
Length
187.4 in.
Length
201.6 in.
Width
74.8 in.
Width
77.6 in.
Height
65 in.
Height
68 in.

Engine and Performance
Engine Type
Gasoline
Engine Type
Transmission
Automatic
Transmission
Automatic
Drive Type
All Wheel
Drive Type
All Wheel
Power HP
272 HP
Power HP
280 - 340 HP
Torque
280 lb-ft
Torque
332 - 369 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
2 L
Engine Displacement
3.3 L
Gears
-
Gears
-

General
Model Year
2,025
Model Year
2,025
Brand
Acura
Brand
Mazda
What is the price of the Acura RDX?

The Acura RDX starts at 44,700 $.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. Prices shown are manufacturer suggested retail prices (MSRP). Taxes, registration fees and dealer charges are not included.