2026 Cadillac XT5 vs 2026 Mercedes-Benz GLA

$44,300 · Crossover

$41,500 · Crossover

Comparison Overview

The primary measurable divergence between the 2026 Cadillac XT5 and the 2026 Mercedes-Benz GLA is fuel economy, where the GLA achieves a superior 29 MPG combined rating versus the XT5's 24 MPG combined. This 5 MPG advantage translates to lower operational costs for the Mercedes. Pricewise, the GLA starts at a lower MSRP of $41,500 compared to the Cadillac's $44,300. However, the XT5 offers significantly more utility, boasting 30 cu ft of cargo space against the GLA's 15.4 cu ft. Performance metrics are closely aligned; the Cadillac generates 235 hp while the GLA produces 221 hp, though both deliver an identical 258 lb-ft of torque. Dimensionally, the XT5 is substantially larger at 189.6 inches long versus the GLA's 173.6 inches, reflecting its greater interior volume.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Mercedes-Benz GLA

The 2026 Mercedes-Benz GLA wins for commuters due to its superior 29 MPG combined fuel economy versus the XT5's 24 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Cadillac XT5

The 2026 Cadillac XT5 is better suited for families, offering more than double the cargo capacity at 30 cu ft compared to the GLA's 15.4 cu ft.

🏎️ Best for Enthusiasts

2026 Cadillac XT5

The Cadillac XT5 slightly leads in outright power, producing 235 hp compared to the GLA's 221 hp, despite identical torque figures.

💰 Best Value

2026 Mercedes-Benz GLA

The Mercedes-Benz GLA provides better economic value upfront with a $2,800 lower MSRP and significantly better fuel efficiency.

Choose the Cadillac XT5 if...

Maximum cargo utility is essential, as the XT5 provides 30 cu ft versus the GLA's 15.4 cu ft.
You prefer a marginally more powerful engine with 235 hp compared to the GLA's 221 hp.
A larger overall vehicle footprint (189.6 inches long) is desired for perceived road presence or interior space.

Choose the Mercedes-Benz GLA if...

Fuel economy is the top priority, given the GLA's 29 MPG combined rating.
The upfront purchase price is a major constraint, as the GLA starts at $41,500, $2,800 less than the XT5.
A slightly smaller vehicle better suits tight urban parking scenarios, indicated by its 173.6-inch length.

Key Dimensions

Dimension	Cadillac XT5	Mercedes-Benz GLA
Length	189.6"	173.6"
Width	74.9"	72.2"
Height	66.1"	63.5"
Wheelbase	112.0"	107.4"

Features Comparison

Safety

Feature	Cadillac	Mercedes-Benz
Lane Departure Warning	✓	—
Lane Keeping Assist System	✓	—
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 Ventilated Disc Brakes	✓	✓
Brake Preparation System	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Cornering Lights	✓	—
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	✓
Rear Headrests	2	3
Rear Center 3-Point Seatbelt	✓	✓
Engine Immobilizer	✓	✓
Blind Spot Monitor	—	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Front Fog Lights	—	✓
Rear Height Adjustable Headrests	—	✓
Anti-Theft Alarm System (Remote)	—	✓

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)	22/29 MPG	26/34 MPG
EPA Fuel Economy (Combined)	24 MPG	29 MPG
EPA Driving Range (City/Highway)	418.0/551.0 mi.	351.0/459.0 mi.
Fuel Tank Capacity	19.0 gal.	13.5 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	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	✓
Cruise Control	✓	✓
Universal Remote Transmitter	✓	—
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Leatherette Steering Wheel	✓	—
Dual Zone Climate Control	✓	✓
Rear Ventilation Ducts	✓	✓
Interior Air Filtration	✓	✓
Sun Sensor	✓	—
Dual Vanity Mirrors	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Driver Assisted Parking Assist	—	✓
Leather Steering Wheel	—	✓
Auto-Dimming Rearview Mirror	—	✓

In Car Entertainment

Feature	Cadillac	Mercedes-Benz
Infotainment Display	8.0 in	10.25 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Bose	—
Speaker System	8	—
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	Cadillac	Mercedes-Benz
One-Touch Power Windows	4	4
Keyless Entry	✓	—
Heated Mirrors	✓	✓
Remote Keyless Entry	—	✓

Frontseats

Feature	Cadillac	Mercedes-Benz
Front Head Room	39.7 in.	39.0 in.
Front Leg Room	41.2 in.	41.0 in.
Front Shoulder Room	58.3 in.	55.9 in.
Front Hip Room	56.1 in.	—
Seat Material: Leatherette	✓	✓
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	8-way
Driver Seat Height Adjustment	✓	✓
Passenger Seat Power Adjustments	6-way	8-way
Passenger Seat Manual Adjustments	2-way	—
Passenger Seat Height Adjustment	✓	✓
Driver Seat Heating	Multi-level	—
Passenger Seat Heating	Multi-level	—
Driver Seat Lumbar Support	—	Power
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	Cadillac	Mercedes-Benz
Rear Head Room	38.4 in.	38.1 in.
Rear Leg Room	39.0 in.	38.0 in.
Rear Shoulder Room	56.3 in.	54.8 in.
Rear Hip Room	54.8 in.	—
Split-Folding Rear Seatback	✓	✓
Reclining Rear Seats	✓	✓
Folding Center Armrest	✓	✓

Tires and Wheels

Feature	Cadillac	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Diameter	18 in	—
Tire Type	All Season	—
Tire Size	P235/65R	235/55R18
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—
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.	—
Hybrid Component Warranty	—	6 yr./ 62000 mi.

Frequently Asked Questions

Common questions about comparing the 2026 Cadillac XT5 and 2026 Mercedes-Benz GLA.

What is the main difference in ownership cost between the 2026 Cadillac XT5 and the 2026 Mercedes-Benz GLA?

The Mercedes-Benz GLA is likely cheaper to operate due to its higher efficiency, delivering 29 MPG combined versus the Cadillac XT5's 24 MPG combined. Furthermore, the GLA has a lower initial MSRP of $41,500 compared to the XT5's $44,300.

How much more cargo room does the Cadillac XT5 offer over the Mercedes-Benz GLA?

The Cadillac XT5 provides substantially more usable storage space. It boasts 30 cu ft of cargo capacity, which is nearly double the 15.4 cu ft offered by the smaller Mercedes-Benz GLA.

Are the performance differences significant between these two crossovers?

The performance differences are slight, as both vehicles produce an identical 258 lb-ft of torque. The Cadillac pulls ahead slightly in horsepower, generating 235 hp compared to the GLA's 221 hp.

Do both vehicles require premium fuel?

Yes, both the 2026 Cadillac XT5 and the 2026 Mercedes-Benz GLA specify premium unleaded fuel. The Cadillac recommends it, while the GLA technically requires it for peak performance.

Which vehicle is physically smaller?

The Mercedes-Benz GLA is the physically smaller option across all dimensions, measuring 173.6 inches in length compared to the XT5's 189.6 inches. This difference is reflected in the cargo capacity figures.

What is the difference in their standard drivetrains?

Both models come standard with front-wheel drive. However, they use different transmissions; the XT5 features a 9-speed shiftable automatic, while the GLA utilizes an 8-speed automated manual.