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Acura RDX vs Mercedes-Benz GLB - Differences and prices compared

Compare performance (272 HP vs 302 HP), trunk space and price (44,700 $ vs 45,800 $ ) at a glance. See which model fits your needs and budget better – Acura RDX or Mercedes-Benz GLB?

Acura RDX vs Mercedes-Benz GLB: Key differences

Acura RDX

  • marginally cheaper

Mercedes-Benz GLB

  • only slightly more power
  • a bit more efficient
  • somewhat lighter

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

GLB

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Acura RDX is marginally cheaper – starting at 44,700 $ , while the Mercedes-Benz GLB costs 45,800 $ . That’s a price difference of around 1,100 $.

When it comes to city fuel economy, the Mercedes-Benz GLB performs a bit better – achieving 25 mpg, compared to 21 mpg for the Acura RDX. That’s a difference of about 4 mpg.

GLB

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes-Benz GLB offers only slightly more power – delivering 302 HP compared to 272 HP. That’s roughly 30 HP more horsepower.

There’s also a difference in torque: the Mercedes-Benz GLB delivers very slightly more torque with 295 lb-ft compared to 280 lb-ft. That’s about 15 lb-ft more.

GLB

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes-Benz GLB is somewhat lighter – 3,638 lbs compared to 4,014 lbs. The difference is around 376 lbs.

Who wins the race in the data check?

The Mercedes-Benz GLB leads convincingly 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 $45,800
GLB

Mercedes-Benz GLB

  • Engine Type : Gasoline,
  • Transmission : Automatic
  • Drive Type : Front Wheel, All Wheel
  • Power HP : 221 - 302 HP
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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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Mercedes-Benz GLB

The Mercedes-Benz GLB stands out with its versatile design, making it an ideal option for both family outings and adventurous road trips. Its spacious interior and thoughtful features ensure comfort and practicality, catering to a range of lifestyle needs. Offering an engaging driving experience alongside its robust appearance, the GLB continues to impress those who seek a balanced combination of luxury and functionality in a compact SUV.

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Mercedes-Benz GLB

Costs and Consumption
Price
44,700 - 54,500 $
Price
45,800 - 60,100 $
FuelEconomy City
21 mpg
FuelEconomy City
21 - 25 mpg
FuelEconomy Hwy
26 - 27 MPG
FuelEconomy Hwy
26 - 33 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
17.1 gal
Fuel tank capacity
13.5 - 15.9 gal

Dimensions and Body
Body Type
SH-AWD
Body Type
SUV, 4MATIC
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
4,014 - 4,058 lbs
Curb weight
3,638 - 3,869 lbs
Trunk Volume
-
Trunk Volume
-
Length
187.4 in.
Length
182.4 - 183.1 in.
Width
74.8 in.
Width
72.2 - 72.8 in.
Height
65 in.
Height
65 in.

Engine and Performance
Engine Type
Gasoline
Engine Type
Gasoline,
Transmission
Automatic
Transmission
Automatic
Drive Type
All Wheel
Drive Type
Front Wheel, All Wheel
Power HP
272 HP
Power HP
221 - 302 HP
Torque
280 lb-ft
Torque
258 - 295 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
2 L
Engine Displacement
2 L
Gears
-
Gears
-

General
Model Year
2,025
Model Year
2,025
Brand
Acura
Brand
Mercedes-Benz
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.