2026 Buick Envision vs 2026 Mercedes-Benz GLB

$41,000 · Crossover

$43,800 · Crossover

Comparison Overview

The most significant divergence between the 2026 Buick Envision and the 2026 Mercedes-Benz GLB is fuel economy, with the GLB achieving 28 combined MPG compared to the Envision's 24 combined MPG, a difference of 4 MPG. However, the Envision generates 7 more horsepower at 228 hp versus the GLB's 221 hp, although both models share identical torque figures of 258 lb-ft. Pricewise, the Envision undercuts the GLB by $2,800, starting at an MSRP of $41,000. Dimensionally, the Envision is slightly longer at 182.7 inches and offers superior cargo space at 25.2 cubic feet, whereas the taller GLB stands at 66.7 inches but provides only 22.0 cubic feet for luggage. The drivetrain setup also varies significantly, with the Envision standardizing on AWD and a 9-speed automatic, while the GLB utilizes FWD paired with an 8-speed automated manual.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Mercedes-Benz GLB

The Mercedes-Benz GLB is the winner for commuters due to its superior fuel efficiency, achieving 28 combined MPG versus the Envision's 24 combined MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Buick Envision

The Buick Envision is better suited for families as it offers greater cargo capacity at 25.2 cubic feet compared to the GLB's 22.0 cubic feet.

🏎️ Best for Enthusiasts

2026 Buick Envision

The Envision appeals more to driving enthusiasts by producing 228 hp, which is 7 horsepower more than the GLB's 221 hp, while offering standard AWD.

💰 Best Value

2026 Buick Envision

The Buick Envision presents better measurable value, starting at an MSRP of $41,000, which is $2,800 less than the GLB's starting price.

Choose the Buick Envision if...

You prioritize a lower initial cost, as the Envision has an MSRP of $41,000 compared to $43,800 for the GLB.
You require maximum utility, evidenced by its 25.2 cubic feet of cargo capacity versus 22.0 cubic feet in the GLB.
You prefer the security of standard All-Wheel Drive paired with a 9-speed automatic transmission.

Choose the Mercedes-Benz GLB if...

Your primary concern is minimizing fuel consumption, given the GLB's 28 combined MPG rating.
You prefer a slightly taller vehicle stance, as the GLB measures 66.7 inches high compared to the Envision’s 64.6 inches.
You require the slightly narrower vehicle for tight parking, with the GLB measuring 72.2 inches wide versus 74.1 inches for the Envision.

Key Dimensions

Dimension	Buick Envision	Mercedes-Benz GLB
Length	182.7"	182.4"
Width	74.1"	72.2"
Height	64.6"	66.7"
Wheelbase	109.0"	111.4"

Features Comparison

Safety

Feature	Buick	Mercedes-Benz
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	—
Lane Keeping Assist System	✓	—
Front Cross Traffic Alert	✓	—
Rear Cross Traffic Alert	✓	—
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Dual Rear 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
Front Ventilated Disc Brakes	✓	✓
Rear Solid Disc Brakes	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Adaptive Headlights	✓	—
Daytime Running Lights	✓	✓
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 Drying	—	✓
Brake Preparation System	—	✓
Front Fog Lights	—	✓
Integrated Turn Signal Mirrors	—	✓

Engine

Feature	Buick	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	228 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	Buick	Mercedes-Benz
Transmission Type	9-speed shiftable automatic	8-speed automated manual
Drivetrain Type	all wheel drive	front wheel drive
Center Differential Type	Limited Slip	—
Hill Descent Control	✓	—

Fuel

Feature	Buick	Mercedes-Benz
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	22/28 MPG	25/33 MPG
EPA Fuel Economy (Combined)	24 MPG	28 MPG
EPA Driving Range (City/Highway)	354.2/450.8 mi.	397.5/524.7 mi.
Fuel Tank Capacity	16.1 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	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Single Zone Climate Control	✓	—
Rear Ventilation Ducts	✓	✓
Interior Air Filtration	✓	✓
Sun Sensor	✓	—
Auto-Dimming Rearview Mirror	✓	✓
Transmission Controls on Steering Wheel	—	✓
Front Parking Sensors	—	✓
Driver Assisted Parking Assist	—	✓
Cruise Control	—	✓
Overhead Console with Storage	—	✓
Dual Zone Climate Control	—	✓
Dual Vanity Mirrors	—	✓
Turn Signal Indicators in Mirrors	—	✓

In Car Entertainment

Feature	Buick	Mercedes-Benz
Infotainment Display	30.0 in	10.25 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Bose	—
Speaker System	9	—
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	39.6 in.	40.7 in.
Front Leg Room	40.4 in.	41.1 in.
Front Shoulder Room	56.7 in.	55.9 in.
Front Hip Room	55.1 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
Driver Seat Memory Settings	2	3
Passenger Seat Manual Adjustments	6-way	—
Passenger Seat Height Adjustment	✓	✓
Driver Seat Thigh Extension	—	✓
Passenger Seat Power Adjustments	—	8-way
Passenger Seat Lumbar Support	—	Power
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3
Driver Seat Heating	—	Multi-level
Passenger Seat Heating	—	Multi-level

Rearseats

Feature	Buick	Mercedes-Benz
Rear Head Room	38.9 in.	39.3 in.
Rear Leg Room	39.3 in.	38.1 in.
Rear Shoulder Room	55.9 in.	54.9 in.
Rear Hip Room	47.4 in.	—
Split-Folding Rear Seatback	✓	✓
Reclining Rear Seats	✓	✓
Folding Center Armrest	✓	✓

Tires and Wheels

Feature	Buick	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Diameter	18 in	—
Tire Type	All Season	—
Tire Size	P235/60R18	235/55R18
Spare Tire Type	Temporary	—
Spare Tire Location	Inside 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 2026 Buick Envision and 2026 Mercedes-Benz GLB.

Is the fuel economy difference significant enough to sway my decision between these crossovers?

Yes, the 4 MPG combined difference is substantial over ownership; the GLB achieves 28 combined MPG while the Envision manages 24 combined MPG. This suggests measurable long-term fuel savings for the GLB, assuming similar driving conditions.

Which vehicle provides more outright power for merging and passing maneuvers?

The 2026 Buick Envision is technically more potent, boasting 228 horsepower compared to the Mercedes-Benz GLB's 221 horsepower. Both share the same 258 lb-ft of torque, meaning the Buick has a slight edge in peak power output.

How do the dimensions and practicality compare for loading cargo?

The Buick Envision offers a larger storage area with 25.2 cubic feet of capacity, while the Mercedes-Benz GLB is restricted to 22.0 cubic feet. Conversely, the GLB is 2.1 inches taller overall, which may affect clearance in low garages.

Are the transmissions and drivetrains similar in configuration?

No, they differ notably: the Envision uses a traditional 9-speed shiftable automatic transmission with standard AWD. The GLB employs an 8-speed automated manual transmission coupled with a Front Wheel Drive setup.

What is the starting price difference between the two models?

The Buick Envision enters at an MSRP of $41,000, establishing a $2,800 advantage over the Mercedes-Benz GLB, which starts at $43,800.

Does the use of premium fuel affect either vehicle's cost calculation?

Both require premium fuel, though the Envision lists it as recommended while the GLB lists it as required, which is a minor distinction but both incur higher fueling costs than regular unleaded options.