2025 Cadillac XT4 vs 2025 Mercedes-Benz GLB-Class

$40,795 · Crossover

$45,800 · Crossover

Comparison Overview

Deciding between two premium compact crossovers, the 2025 Cadillac XT4 and the 2025 Mercedes-Benz GLB-Class, often comes down to prioritizing badge prestige versus outright savings. The XT4 starts $5,005 lower at an MSRP of $40,795, offering 235 hp, slightly more power than the GLB-Class's 221 hp, though both share 258 lb-ft of torque. While the Mercedes edges out the Cadillac in fuel economy with a 28 MPG combined versus the XT4's 26 MPG combined, the Cadillac is physically smaller in width (76.7 inches for the Caddy vs 72.2 inches for the Benz), which might matter for tight city parking. Cargo space is nearly identical, with the XT4 offering 22.5 cubic feet compared to the GLB-Class's 22.0 cubic feet. The choice hinges on whether you value the lower entry price and slightly stronger engine in the XT4 or the superior efficiency and stature of the GLB-Class.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Mercedes-Benz GLB-Class

The Mercedes-Benz GLB-Class wins for daily commuting due to its superior fuel economy, achieving 28 MPG combined versus the XT4's 26 MPG combined.

👨‍👩‍👧‍👦 Best for Families

2025 Cadillac XT4

Although cargo capacities are similar (22.5 cu ft vs 22 cu ft), the Cadillac XT4 offers a lower initial purchase price, making it slightly more accessible for growing families.

🏎️ Best for Enthusiasts

2025 Cadillac XT4

The 2025 Cadillac XT4 is the choice for enthusiasts because it produces more horsepower at 235 hp compared to the GLB-Class's 221 hp.

💰 Best Value

2025 Cadillac XT4

The Cadillac XT4 presents better overall value with an MSRP that is $5,005 less than the GLB-Class.

Choose the Cadillac XT4 if...

You are seeking the most powerful standard engine, as the XT4 offers 235 hp.
You want to save money upfront, with an MSRP starting at $40,795, which is $5,005 less than the competitor.
You prefer using a 9-speed shiftable automatic transmission over an 8-speed automated manual.

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

Fuel efficiency is paramount, as the GLB-Class achieves 33 highway MPG versus the XT4's 29 highway MPG.
You prefer a taller stance, as the GLB-Class stands 66.7 inches high compared to the XT4's 64.1 inches.
You prefer the slightly better highway efficiency, achieving 33 MPG compared to the XT4's 29 MPG.

Key Dimensions

Dimension	Cadillac XT4	Mercedes-Benz GLB-Class
Length	180.1"	182.4"
Width	76.7"	72.2"
Height	64.1"	66.7"
Wheelbase	109.0"	111.4"

Features Comparison

Safety

Feature	Cadillac	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	✓	✓
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
Brake Drying	✓	✓
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 Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Driver Attention Alert	—	✓
Rear Solid Disc Brakes	—	✓
Brake Preparation System	—	✓
Front Fog Lights	—	✓

Engine

Feature	Cadillac	Mercedes-Benz
Base Engine Displacement	2.0 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	gas	mild hybrid
Horsepower	235 hp @ 5000 rpm	221 hp @ 5500 rpm
Torque	258 lb-ft @ 1500 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	✓	✓
Cylinder Deactivation	✓	—

Drive Train

Feature	Cadillac	Mercedes-Benz
Transmission Type	9-speed shiftable automatic	8-speed automated manual
Drivetrain Type	front wheel drive	front wheel drive

Fuel

Feature	Cadillac	Mercedes-Benz
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	24/29 MPG	25/33 MPG
EPA Fuel Economy (Combined)	26 MPG	28 MPG
EPA Driving Range (City/Highway)	381.6/461.1 mi.	397.5/524.7 mi.
Fuel Tank Capacity	15.9 gal.	15.9 gal.

Comfort & Convenience

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

In Car Entertainment

Feature	Cadillac	Mercedes-Benz
Infotainment Display	33.0 in	10.25 in
AM/FM Stereo	✓	✓
Speaker System	7	—
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	—	6 months

Power Feature

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

Frontseats

Feature	Cadillac	Mercedes-Benz
Front Head Room	39.4 in.	40.7 in.
Front Leg Room	44.1 in.	41.1 in.
Front Shoulder Room	57.0 in.	55.9 in.
Front Hip Room	54.5 in.	—
Seat Material: Leather	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Memory Settings	2	3
Passenger Seat Power Adjustments	6-way	8-way
Passenger Seat Manual Adjustments	2-way	—
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Seat Material: Leatherette	—	✓
Driver Seat Thigh Extension	—	✓
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3
Driver Seat Heating	—	Multi-level
Passenger Seat Heating	—	Multi-level

Rearseats

Feature	Cadillac	Mercedes-Benz
Rear Head Room	38.3 in.	39.3 in.
Rear Leg Room	39.5 in.	38.1 in.
Rear Shoulder Room	55.1 in.	54.9 in.
Rear Hip Room	49.8 in.	—
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Reclining Rear Seats	—	✓

Tires and Wheels

Feature	Cadillac	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Diameter	18 in	—
Tire Type	All Season	—
Tire Size	P235/60R18	235/55R18
Wheel Material	—	Alloy
Wheel Size	—	18 x 7.5 in
Run Flat Tires	—	✓

Suspension

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

Warranty

Feature	Cadillac	Mercedes-Benz
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	6 yr./ 70000 mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Roadside Assistance	6 yr./ 70000 mi.	4 yr./ 50000 mi.
Complimentary Scheduled Maintenance	1 yr./ unlimited mi.	—

Frequently Asked Questions

Common questions about comparing the 2025 Cadillac XT4 and 2025 Mercedes-Benz GLB-Class.

Which car is more expensive to purchase initially?

The 2025 Mercedes-Benz GLB-Class carries a higher starting MSRP of $45,800. This is $5,005 more expensive than the 2025 Cadillac XT4, which starts at $40,795.

How do their fuel requirements compare?

Both vehicles require premium unleaded fuel, but the Cadillac XT4 only recommends it, while the Mercedes-Benz GLB-Class requires it for operation. The GLB-Class also offers slightly better mileage at 28 MPG combined versus the XT4's 26 MPG combined.

Does one offer significantly more cargo space for hauling gear?

The cargo capacities are very close; the Cadillac XT4 offers 22.5 cubic feet, while the Mercedes-Benz GLB-Class provides 22.0 cubic feet. This difference is minimal for most everyday needs.

If I drive mostly on the highway, which crossover saves more on gas?

The Mercedes-Benz GLB-Class is better for highway cruising, achieving 33 MPG on the highway compared to the Cadillac XT4’s 29 MPG highway rating.

Which crossover is physically larger overall?

The Mercedes-Benz GLB-Class is slightly longer at 182.4 inches versus the XT4's 180.1 inches, and notably taller at 66.7 inches compared to 64.1 inches for the Cadillac.

How do the transmissions differ between these two FWD crossovers?

The Cadillac XT4 utilizes a traditional 9-speed shiftable automatic transmission, giving it one more gear ratio than the GLB-Class, which employs an 8-speed automated manual.