2025 Cadillac XT4 vs 2026 Mercedes-Benz GLA
Comparison Overview
The most significant measurable difference lies in fuel efficiency, where the 2026 Mercedes-Benz GLA achieves a combined 29 MPG compared to the 2025 Cadillac XT4’s 26 MPG. The GLA also offers superior highway efficiency at 34 MPG versus the XT4’s 29 MPG. Conversely, the XT4 commands a slight power advantage with 235 hp, exceeding the GLA's 221 hp, although both models share identical torque output at 258 lb-ft. Pricing is similar, with the XT4 starting at $40,795 and the GLA at $41,500. However, the XT4 offers substantially more utility, boasting a cargo capacity of 22.5 cubic feet against the GLA's 15.4 cubic feet. Dimensionally, the XT4 is longer by 6.5 inches (180.1 vs. 173.6 inches), providing a physically larger presence, though both utilize FWD and premium fuel requirements.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2026 Mercedes-Benz GLA
The Mercedes-Benz GLA is the superior commuter choice due to its 3 MPG advantage in combined fuel economy (29 MPG vs. 26 MPG).
2025 Cadillac XT4
The Cadillac XT4 wins for families because it offers 7.1 cubic feet more maximum cargo capacity (22.5 cu ft vs. 15.4 cu ft).
2025 Cadillac XT4
The Cadillac XT4 appeals more to driving enthusiasts by delivering 14 more horsepower (235 hp vs. 221 hp).
2025 Cadillac XT4
The Cadillac XT4 provides better utility and more power for a slightly lower entry MSRP of $40,795 compared to the GLA's $41,500.
Choose the Cadillac XT4 if...
- You prioritize usable storage space, as the XT4 offers 22.5 cu ft versus 15.4 cu ft for the GLA.
- You prefer a marginally more powerful engine, achieving 235 hp compared to the GLA's 221 hp.
- You desire a longer vehicle footprint, with the XT4 measuring 180.1 inches in length against 173.6 inches.
Choose the Mercedes-Benz GLA if...
- Maximizing fuel efficiency is critical, as the GLA achieves 29 combined MPG (26/34 city/highway).
- You require the lowest possible upfront cost, with the GLA starting at $41,500 and the XT4 at $40,795 (Note: This refers to the lower base MSRP for Car 2 in this specific, though close, comparison).
- You prefer an 8-speed automated manual transmission over the XT4's 9-speed shiftable automatic.
Key Dimensions
| Dimension | Cadillac XT4 | Mercedes-Benz GLA |
|---|---|---|
| Length | 180.1" | 173.6" |
| Width | 76.7" | 72.2" |
| Height | 64.1" | 63.5" |
| Wheelbase | 109.0" | 107.4" |
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 | — | ✓ |
| 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 | 26/34 MPG |
| EPA Fuel Economy (Combined) | 26 MPG | 29 MPG |
| EPA Driving Range (City/Highway) | 381.6/461.1 mi. | 351.0/459.0 mi. |
| Fuel Tank Capacity | 15.9 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 | ✓ | ✓ |
| 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 | — | ✓ |
| 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 | ✓ | ✓ |
| Remote Keyless Entry | — | ✓ |
Frontseats
| Feature | Cadillac | Mercedes-Benz |
|---|---|---|
| Front Head Room | 39.4 in. | 39.0 in. |
| Front Leg Room | 44.1 in. | 41.0 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 |
Rearseats
| Feature | Cadillac | Mercedes-Benz |
|---|---|---|
| Rear Head Room | 38.3 in. | 38.1 in. |
| Rear Leg Room | 39.5 in. | 38.0 in. |
| Rear Shoulder Room | 55.1 in. | 54.8 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. | — |
| Hybrid Component Warranty | — | 6 yr./ 62000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Cadillac XT4 and 2026 Mercedes-Benz GLA.
Which crossover has a better driving dynamic based on specifications?
The 2025 Cadillac XT4 offers 235 horsepower, giving it a measurable advantage over the 2026 Mercedes-Benz GLA’s 221 horsepower. However, both share the same 258 lb-ft of torque and use a Front Wheel Drive (FWD) layout.
How significant is the difference in cargo volume between the two models?
The difference is substantial; the Cadillac XT4 provides 22.5 cubic feet of cargo space, while the Mercedes-Benz GLA is significantly smaller internally with only 15.4 cubic feet.
Are there differences in fuel requirements for these luxury crossovers?
Yes, the 2025 Cadillac XT4 recommends premium unleaded fuel, while the 2026 Mercedes-Benz GLA requires premium unleaded fuel, which may impact long-term operational costs.
Which vehicle is more cost-effective for commuting based on MPG?
The GLA holds the edge for commuters, achieving 29 combined MPG (26 city/34 highway), outperforming the XT4’s 26 combined MPG (24 city/29 highway).
What is the price difference between the base models?
The Cadillac XT4 has a slightly lower base MSRP at $40,795 compared to the Mercedes-Benz GLA’s $41,500.
Do these crossovers use similar transmission types?
No, the XT4 utilizes a 9-speed shiftable automatic transmission, whereas the GLA employs an 8-speed automated manual transmission.
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