2026 Mercedes-Benz GLB AMG GLB 35 vs 2026 Buick Enclave Avenir

On paper, the 2026 Buick Enclave Avenir wins on $1,000 less, 26 more hp, 31 more lb-ft torque. The 2026 Mercedes-Benz GLB AMG GLB 35 has to win you at the dealer. Key numbers: 302 vs 328 hp, 23 vs 22 MPG.

The short answer

The GLB AMG GLB 35 leads on AWD. The Enclave Avenir leads on $1,000 less, 26 more hp. The spec table compares 7 specifications head to head.

N/A
Price Gap
26 HP
HP Diff
1 MPG
Efficiency Diff
Vehicle A
2026 Mercedes-Benz GLB AMG GLB 35
Starts at $60,600
VS
Vehicle B
2026 Buick Enclave Avenir
Starts at $59,600

Key Differences at a Glance

Engine
2.0L I4 mild-hybrid Turbo
vs
2.5L I4 Turbo
Horsepower
302 hp
vs
328 hp
Torque
295 lb-ft
vs
326 lb-ft
Drivetrain
AWD
vs
FWD
Fuel Economy
23 MPG combined
vs
22 MPG combined

What's Actually Different

These two vehicles differ in 7 specifications.

MSRP
$60,600GLB AMG GLB 35
$59,600Enclave Avenir
Engine
2.0L I4 mild-hybrid TurboGLB AMG GLB 35
2.5L I4 TurboEnclave Avenir
Horsepower
302 hpGLB AMG GLB 35
328 hpEnclave Avenir
Torque
295 lb-ftGLB AMG GLB 35
326 lb-ftEnclave Avenir
Transmission
8-speed automated manualGLB AMG GLB 35
8-speed shiftable automaticEnclave Avenir
Drivetrain
AWDGLB AMG GLB 35
FWDEnclave Avenir
City MPG
21GLB AMG GLB 35
20Enclave Avenir
Highway MPG
27GLB AMG GLB 35
25Enclave Avenir
Combined MPG
23GLB AMG GLB 35
22Enclave Avenir
Fuel Tank
15.9 galGLB AMG GLB 35
19.4 galEnclave Avenir
Curb Weight
3,869 lbsGLB AMG GLB 35
4,537 lbsEnclave Avenir
Wheelbase
111.4"GLB AMG GLB 35
120.9"Enclave Avenir
Length
183.1"GLB AMG GLB 35
207.6"Enclave Avenir
Width
72.8"GLB AMG GLB 35
79.6"Enclave Avenir
Height
65.4"GLB AMG GLB 35
71.0"Enclave Avenir
Bumper-to-Bumper
4yr/50kGLB AMG GLB 35
3yr/36kEnclave Avenir
Powertrain
4yr/50kGLB AMG GLB 35
5yr/60kEnclave Avenir
Corrosion
4yr/50kGLB AMG GLB 35
6yr/100kEnclave Avenir
Roadside Assistance
4yr/50kGLB AMG GLB 35
5yr/60kEnclave Avenir

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.

Spec2026 Mercedes-Benz GLB AMG GLB 352026 Buick Enclave Avenir
Pricing
MSRP$60,600$59,600
Powertrain
Engine2.0L I4 mild-hybrid Turbo2.5L I4 Turbo
Horsepower302 hp328 hp
Torque295 lb-ft326 lb-ft
Transmission8-speed automated manual8-speed shiftable automatic
DrivetrainAWDFWD
Fuel Economy
City MPG2120
Highway MPG2725
Combined MPG2322
Fuel Tank15.9 gal19.4 gal
Annual Fuel Cost (EPA)No published data$2,000/yr
Dimensions
Curb Weight3,869 lbs4,537 lbs
Wheelbase111.4"120.9"
Length183.1"207.6"
Width72.8"79.6"
Height65.4"71.0"
Safety
IIHS AwardNo published dataTSP+
Warranty
Bumper-to-Bumper4yr/50k3yr/36k
Powertrain4yr/50k5yr/60k
Corrosion4yr/50k6yr/100k
Roadside Assistance4yr/50k5yr/60k

Frequently Asked Questions

What is the price difference between the 2026 Mercedes-Benz GLB AMG GLB 35 and 2026 Buick Enclave Avenir?

The 2026 Buick Enclave Avenir starts at $59,600, $1,000 less than the 2026 Mercedes-Benz GLB AMG GLB 35 at $60,600. On a 60-month loan that is roughly $17/month. All prices are MSRP before destination and dealer fees.

Who should choose the 2026 Mercedes-Benz GLB AMG GLB 35?

The 2026 Mercedes-Benz GLB AMG GLB 35 is the stronger pick when lower running costs matter to you, roughly $83/year less on fuel; you drive in snow, rain, or unpaved roads where AWD keeps you planted; you prefer a smaller vehicle that is easier to park and maneuver.

Who should choose the 2026 Buick Enclave Avenir?

The 2026 Buick Enclave Avenir is the stronger pick when you want to keep $1,000 in your pocket and the 2026 Buick Enclave Avenir covers your needs; you want the larger footprint for passengers or cargo.

Which gets better fuel economy, the 2026 Mercedes-Benz GLB AMG GLB 35 or 2026 Buick Enclave Avenir?

The 2026 Mercedes-Benz GLB AMG GLB 35 rates 23 combined MPG, 1 MPG ahead.

Which is more powerful, the 2026 Mercedes-Benz GLB AMG GLB 35 or 2026 Buick Enclave Avenir?

The 2026 Buick Enclave Avenir produces 328 hp, 26 more than the 2026 Mercedes-Benz GLB AMG GLB 35 at 302 hp. The 2026 Buick Enclave Avenir also leads in torque at 326 lb-ft vs 295 lb-ft. The 2026 Mercedes-Benz GLB AMG GLB 35 runs a 2.0L I4 mild-hybrid Turbo; the 2026 Buick Enclave Avenir uses a 2.5L I4 Turbo. Drivetrains differ too: AWD on the 2026 Mercedes-Benz GLB AMG GLB 35, FWD on the 2026 Buick Enclave Avenir.

Is the 2026 Mercedes-Benz GLB AMG GLB 35 bigger than the 2026 Buick Enclave Avenir?

The 2026 Buick Enclave Avenir is 24.5″ longer at 207.6″ vs 183.1″. The 2026 Buick Enclave Avenir has a 9.5″ longer wheelbase, which typically means more rear-seat legroom.

Do the 2026 Mercedes-Benz GLB AMG GLB 35 and 2026 Buick Enclave Avenir have the same drivetrain?

No. The 2026 Mercedes-Benz GLB AMG GLB 35 comes with AWD, while the 2026 Buick Enclave Avenir uses FWD. If you drive in snow, heavy rain, or on unpaved roads, the all-wheel or four-wheel drive option provides better traction. If you mostly drive on dry pavement, the two-wheel drive option saves fuel.

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

Official sources

How the GLB and Enclave Stack Up

Two compact SUVs, two different takes on daily versatility. The 2026 Mercedes-Benz GLB AMG GLB 35 ($60,600) and 2026 Buick Enclave Avenir ($59,600) solve similar problems in different ways. The $-1,000 gap is about $17/month on a 60-month loan. Noticeable but not dramatic enough to be the deciding factor on its own.

Powertrain: GLB vs Enclave

The 2026 Mercedes-Benz GLB AMG GLB 35 runs a 2.0L I4 mild-hybrid Turbo; the 2026 Buick Enclave Avenir uses a 2.5L I4 Turbo. The 2026 Buick Enclave Avenir has 26 more hp (328 vs 302), enough to notice on highway on-ramps and when passing. The 2026 Buick Enclave Avenir adds 31 more lb-ft of torque (326 vs 295), giving it stronger low-end pull off the line. The 2026 Mercedes-Benz GLB AMG GLB 35 comes with AWD; the 2026 Buick Enclave Avenir uses FWD. If you deal with snow, rain, or gravel roads, that traction advantage matters.

What It Actually Costs to Own

The 2026 Mercedes-Benz GLB AMG GLB 35 saves roughly $83/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $415.

Size, Space, and Daily Reality

The 2026 Buick Enclave Avenir is 24.5″ longer, which translates to more room inside but a larger footprint in parking lots and garages. The 2026 Buick Enclave Avenir has a 9.5″ longer wheelbase, typically meaning a smoother ride and more rear-seat legroom. The 2026 Buick Enclave Avenir weighs 668 lbs more. Heavier vehicles tend to feel more planted at highway speed but use more fuel and are harder to stop quickly.

Which One Should You Buy?

Choose the 2026 Mercedes-Benz GLB AMG GLB 35 when lower running costs matter to you, roughly $83/year less on fuel. Choose the 2026 Buick Enclave Avenir when you want to keep $1,000 in your pocket and the 2026 Buick Enclave Avenir covers your needs.

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.

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