2025 GMC Acadia vs 2026 Mercedes-Benz GLC

$42,900 · Crossover

$49,550 · Crossover

Comparison Overview

The 2025 GMC Acadia bursts onto the scene with sheer capability, offering a robust 328 hp and 326 lb-ft of torque from its standard engine, promising muscle for the family hauler segment. Conversely, the 2026 Mercedes-Benz GLC prioritizes refined efficiency, delivering a spirited but leaner 255 hp while boasting a superior 27 MPG combined economy. The size disparity is striking: the Acadia stretches 204.0 inches long, dwarfing the GLC's 185.7-inch frame, yet the GMC lags significantly in efficiency with only 20/27 MPG city/highway compared to the Mercedes' 24/32 MPG. Furthermore, the GLC demands premium fuel while the Acadia runs on regular unleaded. Priced at $42,900, the Acadia significantly undercuts the GLC's $49,550 MSRP, presenting a fascinating trade-off between American brute force and German efficiency.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Mercedes-Benz GLC

The 2026 Mercedes-Benz GLC wins for commuters due to its superior combined MPG of 27 and standard Rear Wheel Drive dynamics.

👨‍👩‍👧‍👦 Best for Families

2025 GMC Acadia

The 2025 GMC Acadia offers more substantial passenger space indicated by its 204.0-inch length and larger overall presence.

🏎️ Best for Enthusiasts

2025 GMC Acadia

The Acadia delivers a significant performance edge with 328 hp and 326 lb-ft of torque, dramatically outpacing the GLC's output.

💰 Best Value

2025 GMC Acadia

The 2025 GMC Acadia starts at $42,900, creating a substantial $6,650 savings over the Mercedes-Benz GLC.

Choose the GMC Acadia if...

You prioritize raw power and seek 328 horsepower for robust towing or passing maneuvers.
You need the lower running cost associated with using regular unleaded fuel.
Budget is a primary concern, as the $42,900 MSRP is significantly lower than the competition.

Choose the Mercedes-Benz GLC if...

Fuel economy is paramount, given the GLC achieves 32 MPG on the highway.
You prefer the handling characteristics traditionally associated with a rear-wheel-drive setup.
You desire the prestige and compact maneuverability of a smaller crossover measuring only 185.7 inches in length.

Key Dimensions

Dimension	GMC Acadia	Mercedes-Benz GLC
Length	204.0"	185.7"
Width	79.6"	74.4"
Height	70.1"	64.6"
Wheelbase	120.9"	113.1"

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	—	✓
Brake Preparation System	—	✓
Adaptive Headlights	—	✓
Front Power Adjustable Headrests	—	✓
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	255 hp @ 5800 rpm
Torque	326 lb-ft @ 3500 rpm	295 lb-ft @ 2000 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	9-speed shiftable automatic
Drivetrain Type	front wheel drive	rear wheel drive

Fuel

Feature	GMC	Mercedes-Benz
Fuel Type	regular unleaded	premium unleaded (required)
EPA Fuel Economy (City/Highway)	20/27 MPG	24/32 MPG
EPA Fuel Economy (Combined)	23 MPG	27 MPG
EPA Driving Range (City/Highway)	0/0 mi.	417.6/556.8 mi.
Fuel Tank Capacity	—	17.4 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	✓	✓
Power Tilt and Telescopic Steering Wheel	—	✓
Transmission Controls on Steering Wheel	—	✓
Front Parking Sensors	—	✓
Automatic 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	11.9 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Bose	—
Speaker System	12	5
Subwoofer Count	1	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	✓	✓
Moonroof Type	—	1st Row Power Glass

Frontseats

Feature	GMC	Mercedes-Benz
Front Head Room	42.6 in.	41.3 in.
Front Leg Room	44.3 in.	40.7 in.
Front Shoulder Room	62.0 in.	57.3 in.
Front Hip Room	59.2 in.	—
Seat Material: Leatherette	✓	✓
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	10-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Passenger Seat Power Adjustments	6-way	10-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.	39.7 in.
Rear Leg Room	41.5 in.	37.4 in.
Rear Shoulder Room	62.0 in.	56.6 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 8.0 in
Tire Type	All Season	All Season
Tire Size	255/65R18	235/60R18
Spare Tire Type	Temporary	Temporary
Spare Tire Location	Underbody Mounted	Inside Mounted
Wheel Material	—	Alloy

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.	—
Hybrid Component Warranty	—	6 yr./ 62000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 GMC Acadia and 2026 Mercedes-Benz GLC.

Is the required premium fuel for the GLC worth the higher operating cost?

The 2026 GLC requires premium fuel, which will certainly increase the cost per gallon compared to the Acadia's regular unleaded. However, the GLC compensates slightly by offering 4 MPG better combined efficiency, totaling 27 MPG.

How much more performance does the 2025 Acadia offer?

The Acadia brings a commanding 328 horsepower and 326 lb-ft of torque, which is a massive 73 hp advantage over the GLC's 255 hp output, making it the clear performance choice.

Which vehicle is physically larger for family hauling?

The 2025 GMC Acadia is substantially larger, measuring 204.0 inches long compared to the GLC's 185.7 inches, likely translating to more cabin and cargo flexibility despite the small listed cargo capacities.

Is the price difference significant enough to overlook the MPG gap?

Yes, the $6,650 MSRP difference between the base models is substantial. Buyers must calculate if the GLC's superior 4 MPG efficiency offset that initial large outlay over the ownership period.

Does the drive type matter between these two crossovers?

The Acadia defaults to Front Wheel Drive, prioritizing traction in slippery conditions, while the smaller GLC utilizes Rear Wheel Drive, which generally offers a sportier feel and better balance in dry driving.

Do both vehicles use similar automatic transmissions?

Both utilize shiftable automatic transmissions, but the GLC gains an extra gear with its 9-speed unit compared to the Acadia's 8-speed transmission, potentially aiding in its highway cruising efficiency.