2025 GMC Acadia vs 2025 Mercedes-Benz GLB-Class

$42,900 · Crossover

$45,800 · Crossover

Comparison Overview

The most significant numerical disparity between the 2025 GMC Acadia and the 2025 Mercedes-Benz GLB-Class lies in performance, with the Acadia producing 328 hp and 326 lb-ft of torque compared to the GLB-Class's 221 hp and 258 lb-ft of torque, resulting in a substantial 107 hp advantage for the GMC. Conversely, the Mercedes-Benz GLB-Class dominates efficiency, achieving 28 MPG combined versus the Acadia's 23 MPG combined, reflecting a 5 MPG difference. Dimensionally, the Acadia is significantly larger at 204.0 inches in length, offering more presence than the GLB-Class’s 182.4 inches. Although the Acadia has marginally more standard cargo space at 23 cu ft versus 22 cu ft, the difference in MSRP is notable: $42,900 for the Acadia versus $45,800 for the GLB-Class. Potential buyers must weigh the Acadia’s superior power output against the GLB-Class’s fuel savings and smaller footprint.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Mercedes-Benz GLB-Class

The 2025 Mercedes-Benz GLB-Class is superior for commuting due to its 28 MPG combined fuel economy and lower operational costs, despite requiring premium fuel.

👨‍👩‍👧‍👦 Best for Families

2025 GMC Acadia

The 2025 GMC Acadia offers greater interior volume, evidenced by its 204.0-inch length and slightly larger 23 cu ft cargo capacity, better accommodating family needs.

🏎️ Best for Enthusiasts

2025 GMC Acadia

The 2025 GMC Acadia is the clear winner for performance enthusiasts, delivering 328 hp and 326 lb-ft of torque, significantly overpowering the GLB-Class's 221 hp.

💰 Best Value

2025 GMC Acadia

With an MSRP of $42,900, the 2025 GMC Acadia offers significantly more horsepower (328 hp) for a lower starting price than the $45,800 GLB-Class.

Choose the GMC Acadia if...

Maximum straight-line power is the priority, as the Acadia provides 328 horsepower.
A longer wheelbase is required, indicated by the Acadia's 204.0-inch length.
You prefer utilizing regular unleaded gasoline instead of premium-only fuel.

Choose the Mercedes-Benz GLB-Class if...

Fuel efficiency is paramount, with the GLB-Class achieving 33 MPG on the highway.
A more compact exterior footprint is needed for urban parking maneuvers (182.4 inches long).
Budget constraints favor a vehicle requiring a lower initial outlay on premium fuel while offering better MPG (28 combined).

Key Dimensions

Dimension	GMC Acadia	Mercedes-Benz GLB-Class
Length	204.0"	182.4"
Width	79.6"	72.2"
Height	70.1"	66.7"
Wheelbase	120.9"	111.4"

Features Comparison

Safety

Feature	GMC	Mercedes-Benz
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	—
Lane Keeping Assist System	✓	—
Rear Cross Traffic Alert	✓	—
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Third Row Head Airbags	✓	—
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	✓
Rear Headrests	2	3
Rear Fixed Headrests	✓	—
Engine Immobilizer	✓	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Rear Solid Disc Brakes	—	✓
Brake Preparation System	—	✓
Front Fog Lights	—	✓
Rear Height Adjustable Headrests	—	✓
Rear Center 3-Point Seatbelt	—	✓
Anti-Theft Alarm System (Remote)	—	✓

Engine

Feature	GMC	Mercedes-Benz
Base Engine Displacement	2.5 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	gas	mild hybrid
Horsepower	328 hp @ 5500 rpm	221 hp @ 5500 rpm
Torque	326 lb-ft @ 3500 rpm	258 lb-ft @ 1800 rpm
Number of Valves	16	16
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	GMC	Mercedes-Benz
Transmission Type	8-speed shiftable automatic	8-speed automated manual
Drivetrain Type	front wheel drive	front wheel drive

Fuel

Feature	GMC	Mercedes-Benz
Fuel Type	regular unleaded	premium unleaded (required)
EPA Fuel Economy (City/Highway)	20/27 MPG	25/33 MPG
EPA Fuel Economy (Combined)	23 MPG	28 MPG
EPA Driving Range (City/Highway)	0/0 mi.	397.5/524.7 mi.
Fuel Tank Capacity	—	15.9 gal.

Comfort & Convenience

Feature	GMC	Mercedes-Benz
Push Button Start	✓	✓
Tilt and Telescopic Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Cruise Control on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Rear View Camera	✓	✓
Rear Parking Sensors	✓	✓
Wireless Charging Pad	✓	✓
Adaptive Cruise Control	✓	—
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
3rd Row Cupholders	✓	—
Front Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Heated Steering Wheel	✓	—
Three Zone Climate Control	✓	—
Rear Ventilation Ducts	✓	✓
Sun Sensor	✓	—
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Transmission Controls on Steering Wheel	—	✓
Front Parking Sensors	—	✓
Driver Assisted Parking Assist	—	✓
Cruise Control	—	✓
Rear Door Pockets	—	✓
Overhead Console with Storage	—	✓
Leather Steering Wheel	—	✓
Dual Zone Climate Control	—	✓
Interior Air Filtration	—	✓

In Car Entertainment

Feature	GMC	Mercedes-Benz
Infotainment Display	15.0 in	10.25 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Bose	—
Speaker System	12	—
Subwoofer Count	1	—
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	6 months
Speed Sensitive Volume Control	✓	—

Power Feature

Feature	GMC	Mercedes-Benz
One-Touch Power Windows	4	4
Keyless Entry	✓	✓
Heated Mirrors	✓	✓

Frontseats

Feature	GMC	Mercedes-Benz
Front Head Room	42.6 in.	40.7 in.
Front Leg Room	44.3 in.	41.1 in.
Front Shoulder Room	62.0 in.	55.9 in.
Front Hip Room	59.2 in.	—
Seat Material: Leatherette	✓	✓
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Passenger Seat Power Adjustments	6-way	8-way
Passenger Seat Height Adjustment	✓	✓
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Driver Seat Thigh Extension	—	✓
Driver Seat Memory Settings	—	3
Passenger Seat Lumbar Support	—	Power
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3

Rearseats

Feature	GMC	Mercedes-Benz
Rear Head Room	40.0 in.	39.3 in.
Rear Leg Room	41.5 in.	38.1 in.
Rear Shoulder Room	62.0 in.	54.9 in.
Rear Hip Room	58.4 in.	—
Split-Folding Rear Seatback	✓	✓
Reclining Rear Seats	✓	✓
Folding Center Armrest	✓	✓
Manual Folding Third Row Seat	✓	—

Tires and Wheels

Feature	GMC	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Size	18 x 7.5 in	18 x 7.5 in
Tire Type	All Season	—
Tire Size	255/65R18	235/55R18
Spare Tire Type	Temporary	—
Spare Tire Location	Underbody Mounted	—
Wheel Material	—	Alloy
Run Flat Tires	—	✓

Suspension

Feature	GMC	Mercedes-Benz
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	GMC	Mercedes-Benz
Basic Warranty	3 yr./ 36000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	5 yr./ 60000 mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	6 yr./ 100000 mi.	4 yr./ 50000 mi.
Roadside Assistance	5 yr./ 60000 mi.	4 yr./ 50000 mi.
Complimentary Scheduled Maintenance	1 yr./ unlimited mi.	—

Frequently Asked Questions

Common questions about comparing the 2025 GMC Acadia and 2025 Mercedes-Benz GLB-Class.

Does the 2025 Acadia or the GLB-Class offer better fuel economy for daily driving?

The 2025 Mercedes-Benz GLB-Class is more economical for daily driving, achieving 28 MPG combined compared to the 2025 GMC Acadia's 23 MPG combined. However, the GLB-Class strictly requires premium unleaded fuel, which impacts the true cost per mile.

How much more powerful is the 2025 GMC Acadia compared to the Mercedes-Benz GLB-Class?

The GMC Acadia is significantly more powerful, boasting 328 horsepower and 326 lb-ft of torque. This output exceeds the GLB-Class's 221 horsepower and 258 lb-ft of torque by a margin of 107 hp.

Which vehicle is physically larger for passengers and cargo?

The 2025 GMC Acadia is the larger vehicle overall, measuring 204.0 inches long compared to the GLB-Class at 182.4 inches. This translates to 23 cu ft of cargo space in the Acadia versus 22 cu ft in the GLB-Class.

What is the primary price and fuel type difference between these two crossovers?

The Acadia has a lower MSRP at $42,900 and uses regular unleaded fuel. The GLB-Class starts higher at $45,800 and mandates the use of premium unleaded fuel for its 221 hp engine.

Are the transmissions significantly different between the two models?

Yes, the 2025 GMC Acadia utilizes a conventional 8-speed shiftable automatic transmission. In contrast, the 2025 Mercedes-Benz GLB-Class uses an 8-speed automated manual transmission, which offers a different shifting characteristic.

Is the superior power of the Acadia worth the loss in highway MPG?

For performance-focused buyers, the Acadia's 328 hp output might justify the trade-off from the GLB-Class's 27 MPG highway rating to the Acadia's 27 MPG highway rating (note: GLB-Class has 33 MPG highway vs Acadia's 27 MPG highway).