2025 Buick Enclave vs 2026 Mercedes-Benz GLB
Comparison Overview
The most significant numerical divergence between the 2025 Buick Enclave and the 2026 Mercedes-Benz GLB is performance, with the Enclave producing 328 hp compared to the GLB's 221 hp, a difference of 107 horsepower. Conversely, the GLB offers superior fuel economy, achieving 28 combined MPG versus the Enclave's 23 combined MPG. Dimensionally, the Enclave is substantially larger, measuring 207.6 inches in length compared to the GLB's 182.4 inches. Despite the power deficit, the GLB is $1,300 cheaper at an MSRP of $43,800 versus the Enclave's $45,100. The Enclave provides marginally more cargo space at 22.9 cu ft, whereas the GLB requires premium unleaded fuel while the Enclave runs on regular unleaded, influencing long-term operational costs.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2026 Mercedes-Benz GLB
The 2026 Mercedes-Benz GLB is the winner for commuters due to its superior 28 combined MPG and slightly lower starting MSRP of $43,800.
2025 Buick Enclave
The 2025 Buick Enclave is better suited for families, offering a larger footprint with a length of 207.6 inches and 22.9 cu ft of cargo capacity.
2025 Buick Enclave
The 2025 Buick Enclave dominates in power metrics, delivering 328 hp and 326 lb-ft of torque compared to the GLB's outputs.
2026 Mercedes-Benz GLB
The 2026 Mercedes-Benz GLB offers better economic value by achieving 5 more MPG and having a lower initial cost of $43,800.
Choose the Buick Enclave if...
- You prioritize maximum horsepower, as the Enclave offers 328 hp versus the GLB's 221 hp.
- You require the largest exterior dimensions, exemplified by the Enclave's 207.6-inch length.
- You wish to use regular unleaded fuel instead of premium fuel required by Car 2.
Choose the Mercedes-Benz GLB if...
- Fuel economy is paramount, as the GLB achieves 28 combined MPG (5 MPG better than Car 1).
- A lower initial purchase price is necessary, with the GLB starting at $43,800.
- A more compact vehicle size (182.4 inches long) is preferred for urban maneuverability.
Key Dimensions
| Dimension | Buick Enclave | Mercedes-Benz GLB |
|---|---|---|
| Length | 207.6" | 182.4" |
| Width | 79.6" | 72.2" |
| Height | 71.0" | 66.7" |
| Wheelbase | 120.9" | 111.4" |
Features Comparison
Safety
| Feature | Buick | 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 | ✓ | ✓ |
| Third Row 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 | ✓ | ✓ |
| Integrated Turn Signal Mirrors | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Height Adjustable Headrests | ✓ | ✓ |
| Rear Headrests | 2 | 3 |
| Rear Folding Headrests | ✓ | — |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Driver Attention Alert | — | ✓ |
| Brake Drying | — | ✓ |
| Rear Solid Disc Brakes | — | ✓ |
| Front Fog Lights | — | ✓ |
| Rear Height Adjustable Headrests | — | ✓ |
| Rear Center 3-Point Seatbelt | — | ✓ |
Engine
| Feature | Buick | Mercedes-Benz |
|---|---|---|
| Base Engine Displacement | 2.5 L | 2.0 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | gas | mild hybrid |
| Horsepower | 328 hp @ 5500 rpm | 221 hp @ 5500 rpm |
| Torque | 326 lb-ft @ 3500 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 | ✓ | ✓ |
Drive Train
| Feature | Buick | Mercedes-Benz |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 8-speed automated manual |
| Drivetrain Type | front wheel drive | front wheel drive |
Fuel
| Feature | Buick | Mercedes-Benz |
|---|---|---|
| Fuel Type | regular unleaded | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 20/27 MPG | 25/33 MPG |
| EPA Fuel Economy (Combined) | 23 MPG | 28 MPG |
| EPA Driving Range (City/Highway) | 388.0/523.8 mi. | 397.5/524.7 mi. |
| Fuel Tank Capacity | 19.4 gal. | 15.9 gal. |
Comfort & Convenience
| Feature | Buick | Mercedes-Benz |
|---|---|---|
| Push Button Start | ✓ | ✓ |
| Tilt and Telescopic Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Cruise Control on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Front View Camera | ✓ | — |
| Side View Camera | ✓ | — |
| Rear View Camera | ✓ | ✓ |
| Rear Parking Sensors | ✓ | ✓ |
| Wireless Charging Pad | ✓ | — |
| Adaptive Cruise Control | ✓ | — |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | ✓ |
| 3rd Row Cupholders | ✓ | — |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | ✓ |
| Front Seatback Storage | ✓ | ✓ |
| Manual Rear Seat Easy Entry | ✓ | — |
| Leatherette Steering Wheel | ✓ | — |
| Heated Steering Wheel | ✓ | — |
| Three 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 | ✓ | ✓ |
| Transmission Controls on Steering Wheel | — | ✓ |
| Front Parking Sensors | — | ✓ |
| Driver Assisted Parking Assist | — | ✓ |
| Cruise Control | — | ✓ |
| Overhead Console with Storage | — | ✓ |
| Leather Steering Wheel | — | ✓ |
| Dual Zone Climate Control | — | ✓ |
| Rear Ventilation Ducts | — | ✓ |
In Car Entertainment
| Feature | Buick | Mercedes-Benz |
|---|---|---|
| Infotainment Display | 30.0 in | 10.25 in |
| AM/FM Stereo | ✓ | ✓ |
| Premium Speaker Brand | Bose | — |
| Speaker System | 12 | — |
| Subwoofer Count | 1 | — |
| 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 | Buick | Mercedes-Benz |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Keyless Entry | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Remote Keyless Entry | — | ✓ |
Frontseats
| Feature | Buick | Mercedes-Benz |
|---|---|---|
| Front Head Room | 42.6 in. | 40.7 in. |
| Front Leg Room | 44.3 in. | 41.1 in. |
| Front Shoulder Room | 62.2 in. | 55.9 in. |
| Front Hip Room | 58.7 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 | Power |
| Passenger Seat Power Adjustments | 6-way | 8-way |
| Passenger Seat Manual Adjustments | 2-way | — |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | Power |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Driver Seat Thigh Extension | — | ✓ |
| Driver Seat Memory Settings | — | 3 |
| Passenger Seat Thigh Extension | — | ✓ |
| Passenger Seat Memory Settings | — | 3 |
Rearseats
| Feature | Buick | Mercedes-Benz |
|---|---|---|
| Rear Head Room | 40.0 in. | 39.3 in. |
| Rear Leg Room | 41.5 in. | 38.1 in. |
| Rear Shoulder Room | 62.1 in. | 54.9 in. |
| Rear Hip Room | 58.5 in. | — |
| Folding Rear Seatback | ✓ | — |
| Reclining Rear Seats | ✓ | ✓ |
| Folding Center Armrest | ✓ | ✓ |
| Manual Folding Third Row Seat | ✓ | — |
| Split-Folding Rear Seatback | — | ✓ |
Tires and Wheels
| Feature | Buick | Mercedes-Benz |
|---|---|---|
| Wheel Finish | Painted Alloy | — |
| Wheel Diameter | 20 in. | — |
| Tire Type | All Season | — |
| Tire Size | P255/55R20 | 235/55R18 |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Underbody Mounted | — |
| Wheel Material | — | Alloy |
| Wheel Size | — | 18 x 7.5 in |
| Run Flat Tires | — | ✓ |
Suspension
| Feature | Buick | Mercedes-Benz |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Buick | 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 Buick Enclave and 2026 Mercedes-Benz GLB.
What is the primary fuel cost consideration when choosing between these two crossovers?
The 2026 Mercedes-Benz GLB requires premium unleaded fuel, which generally results in higher per-gallon costs than the regular unleaded fuel used by the 2025 Buick Enclave. However, the GLB's 28 combined MPG partially offsets this through better efficiency.
How significant is the power difference for acceleration and driving dynamics?
The Buick Enclave possesses a significant advantage with 328 hp and 326 lb-ft of torque, granting it substantial performance over the GLB's 221 hp and 258 lb-ft of torque. This 107 hp gap will translate to notably quicker acceleration for the Enclave.
Which vehicle offers more usable space for larger cargo loads?
The 2025 Buick Enclave offers marginally more maximum storage volume at 22.9 cubic feet compared to the 2026 Mercedes-Benz GLB's 22 cubic feet. More importantly, the Enclave's larger overall exterior dimensions (207.6 inches long) suggest superior interior volume for passengers.
Is the lower MSRP of the GLB maintained after accounting for fuel requirements?
The GLB has a lower MSRP at $43,800 versus the Enclave's $45,100, a $1,300 difference. Buyers must calculate the higher operational cost of premium fuel in the GLB against this initial savings to determine true long-term value.
Do these crossovers share the same basic drivetrain configuration?
Both vehicles utilize a front-wheel-drive configuration and an 8-speed transmission. However, the Enclave uses a traditional shiftable automatic, while the GLB employs an automated manual transmission.
How much larger is the Buick Enclave physically than the Mercedes-Benz GLB?
The Buick Enclave is notably larger across all dimensions; it is 25.2 inches longer (207.6 in vs 182.4 in), 7.4 inches wider, and 4.3 inches taller than the Mercedes-Benz GLB.
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