2025 GMC Terrain vs 2026 Mercedes-Benz GLC

$30,000 · Crossover

$49,550 · Crossover

Comparison Overview

The 2025 GMC Terrain enters the ring boasting aggressive utility and an accessible entry price starting at just $30,000, making its 27 combined MPG remarkably practical for the masses. Contrast this with the sophisticated 2026 Mercedes-Benz GLC, a machine defined by exhilarating performance, delivering a stout 255 horsepower and 295 lb-ft of torque, albeit commanding a significant $49,550 MSRP. The GLC pulls ahead dynamically with its 9-speed automatic transmission and required premium unleaded fuel optimizing its superior power output, compared to the Terrain's 175 hp and FWD setup. While the Terrain offers a slightly larger 29.8 cu ft of cargo space versus the GLC’s 21.9 cu ft, the power deficit is substantial; the Benz offers 80 more horsepower, hinting at a vastly different driving demeanor on the open road, despite both achieving an identical 27 combined MPG rating.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 GMC Terrain

The 2025 GMC Terrain is the sensible choice for commuting due to its lower initial cost of $30,000 and its use of less expensive regular unleaded fuel.

👨‍👩‍👧‍👦 Best for Families

2025 GMC Terrain

Families prioritizing space will appreciate the Terrain's superior 29.8 cu ft of cargo capacity compared to the GLC's 21.9 cu ft.

🏎️ Best for Enthusiasts

2026 Mercedes-Benz GLC

The 2026 Mercedes-Benz GLC provides a thrilling experience with its 255 horsepower and engaging 9-speed shiftable automatic transmission.

💰 Best Value

2025 GMC Terrain

With a massive $19,550 lower MSRP, the GMC Terrain offers far better immediate financial value than the premium-priced Mercedes-Benz.

Choose the GMC Terrain if...

Your budget is firmly under $35,000, as the Terrain starts at only $30,000.
You need maximum utility, benefiting from 29.8 cu ft of cargo capacity.
You prioritize lower running costs by sticking to regular unleaded fuel.

Choose the Mercedes-Benz GLC if...

You demand immediate acceleration provided by 255 horsepower and 295 lb-ft of torque.
You prefer the handling characteristics of a Rear Wheel Drive vehicle.
You value the refinement and capability of a 9-speed shiftable automatic transmission.

Key Dimensions

Dimension	GMC Terrain	Mercedes-Benz GLC
Length	181.0"	185.7"
Width	74.5"	74.4"
Height	66.2"	64.6"
Wheelbase	107.5"	113.1"

Features Comparison

Safety

Feature	GMC	Mercedes-Benz
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	—
Lane Keeping Assist System	✓	—
Front Cross Traffic Alert	✓	—
Rear Cross Traffic Alert	✓	✓
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Front Head Airbags	✓	✓
Rear 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 Solid Disc Brakes	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	—
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Rear Ventilated Disc Brakes	—	✓
Brake Preparation System	—	✓
Adaptive Headlights	—	✓
Integrated Turn Signal Mirrors	—	✓
Front Power Adjustable Headrests	—	✓

Engine

Feature	GMC	Mercedes-Benz
Base Engine Displacement	1.5 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	gas	mild hybrid
Horsepower	175 hp @ 5800 rpm	255 hp @ 5800 rpm
Torque	203 lb-ft @ 2000 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	continuously variable-speed automatic	9-speed shiftable automatic
Drivetrain Type	front wheel drive	rear wheel drive
Hill Descent Control	✓	—

Fuel

Feature	GMC	Mercedes-Benz
Fuel Type	regular unleaded	premium unleaded (required)
EPA Fuel Economy (City/Highway)	26/28 MPG	24/32 MPG
EPA Fuel Economy (Combined)	27 MPG	27 MPG
EPA Driving Range (City/Highway)	384.8/414.4 mi.	417.6/556.8 mi.
Fuel Tank Capacity	14.8 gal.	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	✓	✓
Adaptive Cruise Control	✓	—
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Single Zone Climate Control	✓	—
Rear Ventilation Ducts	✓	✓
Interior Air Filtration	✓	✓
Dual Vanity Mirrors	✓	✓
Power Tilt and Telescopic Steering Wheel	—	✓
Transmission Controls on Steering Wheel	—	✓
Front Parking Sensors	—	✓
Automatic Parking Assist	—	✓
Wireless Charging Pad	—	✓
Cruise Control	—	✓
Universal Remote Transmitter	—	✓
Overhead Console with Storage	—	✓
Leather Steering Wheel	—	✓
Dual Zone Climate Control	—	✓
Auto-Dimming Rearview Mirror	—	✓
Turn Signal Indicators in Mirrors	—	✓

In Car Entertainment

Feature	GMC	Mercedes-Benz
Infotainment Display	15.0 in	11.9 in
AM/FM Stereo	✓	✓
Speaker System	6	5
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	✓	—
Subwoofer Count	—	1

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	40.0 in.	41.3 in.
Front Leg Room	40.6 in.	40.7 in.
Front Shoulder Room	57.7 in.	57.3 in.
Front Hip Room	55.3 in.	—
Seat Material: Premium Cloth	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Manual Adjustments	6-way	—
Driver Seat Height Adjustment	✓	✓
Passenger Seat Manual Adjustments	4-way	—
Driver Seat Heating	Multi-level	Multi-level
Seat Material: Leatherette	—	✓
Driver Seat Power Adjustments	—	10-way
Driver Seat Lumbar Support	—	Power
Driver Seat Thigh Extension	—	✓
Driver Seat Memory Settings	—	3
Passenger Seat Power Adjustments	—	10-way
Passenger Seat Height Adjustment	—	✓
Passenger Seat Lumbar Support	—	Power
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3
Passenger Seat Heating	—	Multi-level

Rearseats

Feature	GMC	Mercedes-Benz
Rear Head Room	39.2 in.	39.7 in.
Rear Leg Room	39.2 in.	37.4 in.
Rear Shoulder Room	55.7 in.	56.6 in.
Rear Hip Room	51.0 in.	—
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓

Tires and Wheels

Feature	GMC	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Size	17 x 7.0 in	18 x 8.0 in
Tire Type	All Season	All Season
Tire Size	235/65R17	235/60R18
Spare Tire Type	Temporary	Temporary
Spare Tire Location	Inside Mounted	Inside Mounted
Wheel Material	—	Alloy

Suspension

Feature	GMC	Mercedes-Benz
Four-Wheel Independent Suspension	✓	✓
Stabilizer Bar	✓	—
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 Terrain and 2026 Mercedes-Benz GLC.

How much more powerful is the Mercedes-Benz GLC than the GMC Terrain?

The 2026 Mercedes-Benz GLC boasts 255 horsepower, creating an 80 horsepower advantage over the 2025 GMC Terrain's 175 horsepower rating. This significant difference translates directly into quicker acceleration and more spirited driving dynamics for the GLC.

Is the price difference worth the performance upgrade between these two crossovers?

There is a substantial $19,550 difference in starting MSRP, with the GLC costing $49,550 against the Terrain's $30,000. Whether it's 'worth it' depends entirely on prioritizing luxury and 80 extra horsepower over budgetary constraints.

Which crossover has better fuel economy for city driving?

Surprisingly, both vehicles report near-identical overall efficiency, achieving 27 combined MPG. However, the Terrain leads slightly in city driving efficiency at 26 MPG compared to the GLC's 24 MPG city rating.

Which vehicle offers more usable storage space?

The 2025 GMC Terrain is the practical winner here, offering 29.8 cubic feet of cargo capacity. The luxury-focused 2026 Mercedes-Benz GLC offers a tighter 21.9 cubic feet behind the rear seats.

Do the drivetrains vary significantly between the Terrain and the GLC?

Yes, they are fundamentally different; the GMC Terrain utilizes front-wheel drive paired with a Continuously Variable Transmission. In contrast, the Mercedes-Benz GLC employs a Rear Wheel Drive layout mated to a conventional 9-speed shiftable automatic.

Does the required fuel type affect long-term running costs?

It can. The Terrain accepts regular unleaded, keeping fuel stops cheaper, whereas the high-output GLC mandates the more expensive premium unleaded fuel, which drivers must factor into their long-term ownership costs.