VS
At a Glance
Power
272hp @ 6500
221hp @ 5500
Torque
280lb-ft @ 1600
258lb-ft @ 1800
Fuel
24 mpg est.
28 mpg est.
Towing
1500lbs
—
Engine
2.0 L/122ci
2.0 L/121ci
Choosing between the Acura Rdx and the Mercedes-Benz Glb Class is one of the most common decisions car buyers in the United States face. The Acura Rdx delivers 272hp @ 6500 while the Mercedes-Benz Glb Class produces 221hp @ 5500. On fuel, the Rdx returns 24 mpg est. while the Glb Class uses 28 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $50,700 for the Rdx and $43,800 for the Glb Class. Both vehicles have their merits. The right choice depends on your priorities: fuel economy, performance, towing ability, safety features or total cost of ownership. This comparison covers every specification available so you can make an informed decision.
Specification
Acura RdxSH-AWD w/A-Spec Package 2026 - From $50,700
Mercedes-Benz Glb ClassGLB 250 4MATIC SUV 2026 - From $43,800
Performance
Power Output (hp)
272hp @ 6500
221hp @ 5500
Torque (lb-ft)
280lb-ft @ 1600
258lb-ft @ 1800
Engine & Drivetrain
Engine Capacity
2.0 L/122ci
2.0 L/121ci
Cylinders
4
4
Fuel Type
Gasoline
Gasoline
Forced Induction Device
Turbocharged
Turbocharged
Transmission
Automatic
Automatic
Number of Gears
—
8
Drive Wheels
All Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
24 mpg est.
28 mpg est.
Fuel Economy - City (mpg)
21mpg
24mpg
Fuel Economy - Highway (mpg)
26mpg
33mpg
Fuel Tank Capacity (gal)
17.1gal
15.9gal
Dimensions
Length (in)
187.4in
182.4in
Width (in)
74.8in
72.2in
Height (in)
65.7in
65.3in
Wheelbase (in)
108.3in
111.4in
Curb Weight (lbs)
4024lbs
3759lbs
Towing & Payload
Towing Capacity (lbs)
1500lbs
—
Safety
ABS
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
✓ Standard
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
✓ Standard
✓ Standard
Adaptive Cruise Control
✓ Standard
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Backup Camera
✓ Standard
✓ Standard
Rear Parking Aid
✓ Standard
✓ Standard
Sunroof
✓ Standard
✓ Standard
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Trailer Hitch
✓ Standard
—
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Tie
2 / 4 categories
Performance
Rdx
Fuel Economy
Glb Class
Value
Glb Class
Practicality
Rdx
Pros & Cons
Acura Rdx
Well-rounded specification
Higher fuel consumption (24 mpg est.)
Higher starting price
Mercedes-Benz Glb Class
Better fuel economy (28 mpg est.)
Lower starting price ($43,800)
Few notable weaknesses
Frequently Asked Questions
Which is more fuel efficient, the Rdx or Glb Class?
The Rdx gets 24 mpg est. and the Glb Class gets 28 mpg est. on the combined cycle. The Glb Class is the more fuel-efficient choice. In real-world conditions with a mix of highway and urban driving, actual figures will be slightly higher.
Which has more power, the Rdx or Glb Class?
The Rdx produces 272hp @ 6500 and 280lb-ft @ 1600 of torque while the Glb Class delivers 221hp @ 5500 and 258lb-ft @ 1800 of torque. The Rdx is the more powerful option.
What is the price difference between the Rdx and Glb Class?
The Rdx starts from $50,700 and the Glb Class from $43,800. The Glb Class is cheaper by $6,900 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the Rdx or Glb Class?
The Rdx has a braked towing capacity of 1500lbs and the Glb Class can tow not specified. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the Rdx or the Glb Class?
It depends on your priorities. If fuel economy matters most, check the mpg figures above. If you need towing capacity, compare the towing ratings. For day-to-day driving - commutes, school runs and highway trips - consider ground clearance, service network coverage, and total cost of ownership including insurance and maintenance. Use the spec tables above to compare every detail before making your decision.