2025 Mercedes-Benz GLA-Class vs 2026 Cadillac XT5
Comparison Overview
The battle between the sprightly 2025 Mercedes-Benz GLA-Class and the substantial 2026 Cadillac XT5 pits agile efficiency against spacious American presence. The GLA delights drivers with its punchy 221 hp from a compact footprint (173.6 inches long) and a class-leading 29 combined MPG, making its premium fuel requirement easier to swallow. Conversely, the larger XT5 boasts a more robust 235 hp and doubles the cargo volume, offering 30 cu ft versus the GLA's 15.4 cu ft, though its efficiency dips to 24 combined MPG. While the GLA uses an 8-speed automated manual, the XT5 offers a slightly smoother 9-speed shiftable automatic. Priced closely at $43,000 for the GLA and $44,300 for the Cadillac, the choice boils down to prioritizing ultimate fuel savings and European polish versus sheer interior utility and a fraction more muscle.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Mercedes-Benz GLA-Class
The 2025 GLA-Class wins due to its superior fuel economy, achieving 29 combined MPG compared to the XT5's 24 MPG.
2026 Cadillac XT5
The 2026 XT5 is the clear family choice, offering substantially more utility with 30 cu ft of cargo space compared to the GLA's 15.4 cu ft.
2026 Cadillac XT5
The 2026 XT5 delivers more raw power with 235 hp, edging out the GLA's 221 hp output.
2025 Mercedes-Benz GLA-Class
The Mercedes-Benz GLA-Class offers better operational value through its significantly higher fuel efficiency, despite being slightly cheaper upfront.
Choose the Mercedes-Benz GLA-Class if...
- You prioritize fuel efficiency, as the GLA delivers 34 highway MPG versus the XT5's 29 highway MPG.
- You prefer a smaller, more maneuverable urban package, evident in its 173.6-inch length.
- You want the lower base MSRP of $43,000 for entry into the luxury crossover segment.
Choose the Cadillac XT5 if...
- You require maximum storage capacity, benefiting from the XT5’s 30 cu ft of cargo room.
- You value a slight performance edge provided by 235 horsepower.
- You prefer the refinement of a 9-speed shiftable automatic transmission over an 8-speed automated manual.
Key Dimensions
| Dimension | Mercedes-Benz GLA-Class | Cadillac XT5 |
|---|---|---|
| Length | 173.6" | 189.6" |
| Width | 72.2" | 74.9" |
| Height | 63.5" | 66.1" |
| Wheelbase | 107.4" | 112.0" |
Features Comparison
Safety
| Feature | Mercedes-Benz | Cadillac |
|---|---|---|
| Blind Spot Monitor | ✓ | — |
| Driver Attention Alert | ✓ | — |
| 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 Preparation System | ✓ | ✓ |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| Headlight Delay-Off | ✓ | ✓ |
| LED Headlights | ✓ | ✓ |
| Daytime Running Lights | ✓ | ✓ |
| Front Fog Lights | ✓ | — |
| Integrated Turn Signal Mirrors | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Height Adjustable Headrests | ✓ | ✓ |
| Rear Headrests | 3 | 2 |
| Rear Height Adjustable Headrests | ✓ | — |
| Rear Center 3-Point Seatbelt | ✓ | ✓ |
| Anti-Theft Alarm System (Remote) | ✓ | — |
| Engine Immobilizer | ✓ | ✓ |
| Lane Departure Warning | — | ✓ |
| Lane Keeping Assist System | — | ✓ |
| Pre-Collision Safety System | — | ✓ |
| Cornering Lights | — | ✓ |
Engine
| Feature | Mercedes-Benz | Cadillac |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.0 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | mild hybrid | gas |
| Horsepower | 221 hp @ 5500 rpm | 235 hp @ 5000 rpm |
| Torque | 258 lb-ft @ 1800 rpm | 258 lb-ft @ 1500 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 | Mercedes-Benz | Cadillac |
|---|---|---|
| Transmission Type | 8-speed automated manual | 9-speed shiftable automatic |
| Drivetrain Type | front wheel drive | front wheel drive |
Fuel
| Feature | Mercedes-Benz | Cadillac |
|---|---|---|
| Fuel Type | premium unleaded (required) | premium unleaded (recommended) |
| EPA Fuel Economy (City/Highway) | 26/34 MPG | 22/29 MPG |
| EPA Fuel Economy (Combined) | 29 MPG | 24 MPG |
| EPA Driving Range (City/Highway) | 351.0/459.0 mi. | 418.0/551.0 mi. |
| Fuel Tank Capacity | 13.5 gal. | 19.0 gal. |
Comfort & Convenience
| Feature | Mercedes-Benz | Cadillac |
|---|---|---|
| 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 | ✓ | ✓ |
| Driver Assisted Parking Assist | ✓ | — |
| Wireless Charging Pad | ✓ | — |
| Cruise Control | ✓ | ✓ |
| Universal Remote Transmitter | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | ✓ |
| Front Seatback Storage | ✓ | ✓ |
| Leather Steering Wheel | ✓ | — |
| Dual Zone Climate Control | ✓ | ✓ |
| Rear Ventilation Ducts | ✓ | ✓ |
| Interior Air Filtration | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | — |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Leatherette Steering Wheel | — | ✓ |
| Sun Sensor | — | ✓ |
In Car Entertainment
| Feature | Mercedes-Benz | Cadillac |
|---|---|---|
| Infotainment Display | 10.25 in | 8.0 in |
| AM/FM Stereo | ✓ | ✓ |
| Android Auto (Wireless) | ✓ | ✓ |
| Apple CarPlay (Wireless) | ✓ | ✓ |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 6 months | 3 months |
| Premium Speaker Brand | — | Bose |
| Speaker System | — | 8 |
| Auxiliary Audio Input | — | ✓ |
| Speed Sensitive Volume Control | — | ✓ |
Power Feature
| Feature | Mercedes-Benz | Cadillac |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Keyless Entry | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | Mercedes-Benz | Cadillac |
|---|---|---|
| Front Head Room | 39.0 in. | 39.7 in. |
| Front Leg Room | 41.0 in. | 41.2 in. |
| Front Shoulder Room | 55.9 in. | 58.3 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 | — |
| Driver Seat Thigh Extension | ✓ | — |
| Driver Seat Memory Settings | 3 | — |
| Passenger Seat Power Adjustments | 8-way | 6-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | — |
| Passenger Seat Thigh Extension | ✓ | — |
| Passenger Seat Memory Settings | 3 | — |
| Front Hip Room | — | 56.1 in. |
| Passenger Seat Manual Adjustments | — | 2-way |
| Driver Seat Heating | — | Multi-level |
| Passenger Seat Heating | — | Multi-level |
Rearseats
| Feature | Mercedes-Benz | Cadillac |
|---|---|---|
| Rear Head Room | 38.1 in. | 38.4 in. |
| Rear Leg Room | 38.0 in. | 39.0 in. |
| Rear Shoulder Room | 54.8 in. | 56.3 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Reclining Rear Seats | ✓ | ✓ |
| Folding Center Armrest | ✓ | ✓ |
| Rear Hip Room | — | 54.8 in. |
Tires and Wheels
| Feature | Mercedes-Benz | Cadillac |
|---|---|---|
| Wheel Material | Alloy | — |
| Wheel Size | 18 x 7.5 in | — |
| Tire Size | 235/55R18 | P235/65R |
| Run Flat Tires | ✓ | — |
| Wheel Finish | — | Painted Alloy |
| Wheel Diameter | — | 18 in |
| Tire Type | — | All Season |
| Spare Tire Type | — | Temporary |
| Spare Tire Location | — | Inside Mounted |
Suspension
| Feature | Mercedes-Benz | Cadillac |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Mercedes-Benz | Cadillac |
|---|---|---|
| Basic Warranty | 4 yr./ 50000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 4 yr./ 50000 mi. | 6 yr./ 70000 mi. |
| Corrosion/Rust Warranty | 4 yr./ 50000 mi. | 4 yr./ 50000 mi. |
| Roadside Assistance | 4 yr./ 50000 mi. | 6 yr./ 70000 mi. |
| Complimentary Scheduled Maintenance | — | 1 yr./ unlimited mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Mercedes-Benz GLA-Class and 2026 Cadillac XT5.
How significant is the fuel economy difference between the 2025 GLA-Class and the 2026 XT5?
The difference is substantial, with the GLA netting 29 combined MPG while the XT5 achieves only 24 combined MPG; this results in an annual fuel cost savings for the Mercedes owner, even though both require premium fuel.
Is the 2026 Cadillac XT5 significantly larger than the Mercedes GLA?
Yes, the Cadillac is notably larger, measuring 189.6 inches in length compared to the GLA's 173.6 inches, which directly translates to its superior storage.
Do both crossovers use premium gasoline?
The 2025 Mercedes-Benz GLA-Class requires premium unleaded fuel, while the 2026 Cadillac XT5 only recommends it, offering slight flexibility in fueling choice.
Which vehicle offers better performance metrics based on the provided specs?
The 2026 Cadillac XT5 has the slight advantage with 235 horsepower, topping the GLA's 221 horsepower, though both vehicles share the same 258 lb-ft of torque.
What is the difference in passenger or cargo flexibility?
The Cadillac XT5 excels in utility, providing 30 cubic feet of cargo space, which is nearly double the 15.4 cubic feet offered by the smaller Mercedes-Benz GLA-Class.
How do the transmissions differ between these two FWD crossovers?
The GLA employs an 8-speed automated manual transmission, whereas the slightly more powerful XT5 uses a 9-speed shiftable automatic transmission, suggesting potentially smoother gear changes in the Cadillac.
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