2026 Mercedes-Benz GLB GLB 250 vs 2026 Buick Enclave Preferred
$2,400 less and 6 mpg better vs 107 more hp and 68 more lb-ft torque. That is the real fork. Key numbers: $2,400 price gap, 221 vs 328 hp, 28 vs 22 MPG.
The GLB GLB 250 leads on $2,400 less, 6 MPG better. The Enclave Preferred leads on 107 more hp, 68 more lb-ft torque. The spec table compares 5 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 5 specifications.
Full Specification Comparison
Specifications and pricing reflect available data as of early 2026 and may not match current manufacturer figures. Always confirm details with an authorized dealer before making a purchase decision.
| Spec | 2026 Mercedes-Benz GLB GLB 250 | 2026 Buick Enclave Preferred |
|---|---|---|
| Pricing | ||
| MSRP | $43,800 | $46,200 |
| Powertrain | ||
| Engine | 2.0L I4 mild-hybrid Turbo | 2.5L I4 Turbo |
| Horsepower | 221 hp | 328 hp |
| Torque | 258 lb-ft | 326 lb-ft |
| Transmission | 8-speed automated manual | 8-speed shiftable automatic |
| Drivetrain | FWD | FWD |
| Fuel Economy | ||
| City MPG | 25 | 20 |
| Highway MPG | 33 | 25 |
| Combined MPG | 28 | 22 |
| Fuel Tank | 15.9 gal | 19.4 gal |
| Annual Fuel Cost (EPA) | No published data | $2,000/yr |
| Dimensions | ||
| Curb Weight | No published data | 4,537 lbs |
| Wheelbase | 111.4" | 120.9" |
| Length | 182.4" | 207.6" |
| Width | 72.2" | 79.6" |
| Height | 66.7" | 71.0" |
| Safety | ||
| IIHS Award | No published data | TSP+ |
| Warranty | ||
| Bumper-to-Bumper | 4yr/50k | 3yr/36k |
| Powertrain | 4yr/50k | 5yr/60k |
| Corrosion | 4yr/50k | 6yr/100k |
| Roadside Assistance | 4yr/50k | 5yr/60k |
Frequently Asked Questions
What is the price difference between the 2026 Mercedes-Benz GLB GLB 250 and 2026 Buick Enclave Preferred?
The 2026 Mercedes-Benz GLB GLB 250 starts at $43,800, $2,400 less than the 2026 Buick Enclave Preferred at $46,200. On a 60-month loan that is roughly $43/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 Mercedes-Benz GLB GLB 250?
The 2026 Mercedes-Benz GLB GLB 250 is the stronger pick when you want to keep $2,400 in your pocket and the 2026 Mercedes-Benz GLB GLB 250 covers your needs; lower running costs matter to you, roughly $409/year less on fuel; you prefer a smaller vehicle that is easier to park and maneuver.
Who should choose the 2026 Buick Enclave Preferred?
The 2026 Buick Enclave Preferred is the stronger pick when the extra 107 hp matters for your commute or driving style; you want the larger footprint for passengers or cargo.
Which gets better fuel economy, the 2026 Mercedes-Benz GLB GLB 250 or 2026 Buick Enclave Preferred?
The 2026 Mercedes-Benz GLB GLB 250 rates 28 combined MPG, 6 MPG ahead.
Which is more powerful, the 2026 Mercedes-Benz GLB GLB 250 or 2026 Buick Enclave Preferred?
The 2026 Buick Enclave Preferred produces 328 hp, 107 more than the 2026 Mercedes-Benz GLB GLB 250 at 221 hp. The 2026 Buick Enclave Preferred also leads in torque at 326 lb-ft vs 258 lb-ft. The 2026 Mercedes-Benz GLB GLB 250 runs a 2.0L I4 mild-hybrid Turbo; the 2026 Buick Enclave Preferred uses a 2.5L I4 Turbo.
Is the 2026 Mercedes-Benz GLB GLB 250 bigger than the 2026 Buick Enclave Preferred?
The 2026 Buick Enclave Preferred is 25.2″ longer at 207.6″ vs 182.4″. The 2026 Buick Enclave Preferred has a 9.5″ longer wheelbase, which typically means more rear-seat legroom.
How do the warranties compare?
The Mercedes-Benz GLB comes with 4yr/50k bumper-to-bumper and 4yr/50k powertrain. The Buick Enclave offers 3yr/36k bumper-to-bumper and 5yr/60k powertrain. Longer warranty coverage can offset higher maintenance costs over time.
Explore more: Mercedes-Benz trims, Mercedes-Benz GLB trims, Buick trims, Buick Enclave trims
GLB vs Enclave: What This Matchup Is Really About
The 2026 Mercedes-Benz GLB GLB 250 and 2026 Buick Enclave Preferred sit in the compact SUV class, where cargo room, ride comfort, and family-friendly features define the competitive landscape. The $2,400 gap is about $43/month on a 60-month loan. Noticeable but not dramatic enough to be the deciding factor on its own.
Under the Hood
The 2026 Mercedes-Benz GLB GLB 250 runs a 2.0L I4 mild-hybrid Turbo; the 2026 Buick Enclave Preferred uses a 2.5L I4 Turbo. The 2026 Buick Enclave Preferred has 107 more hp (328 vs 221). You will feel the difference merging, passing, and driving with a full car. The 2026 Buick Enclave Preferred adds 68 more lb-ft of torque (326 vs 258), giving it stronger low-end pull off the line. Both use FWD.
Running Costs: GLB vs Enclave
The 2026 Mercedes-Benz GLB GLB 250 saves roughly $409/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $2,045. The 2026 Mercedes-Benz GLB GLB 250 wins on both sticker price and running costs, making it the stronger value on paper.
How Each One Fits Your Daily Life
The 2026 Buick Enclave Preferred is 25.2″ longer, which translates to more room inside but a larger footprint in parking lots and garages. The 2026 Buick Enclave Preferred has a 9.5″ longer wheelbase, typically meaning a smoother ride and more rear-seat legroom.
Bottom Line
Choose the 2026 Mercedes-Benz GLB GLB 250 when you want to keep $2,400 in your pocket and the 2026 Mercedes-Benz GLB GLB 250 covers your needs. Choose the 2026 Buick Enclave Preferred when the extra 107 hp matters for your commute or driving style. At $43/month apart, the price difference alone will not decide this.
Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with Mercedes-Benz or Buick or any dealership.