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Mercedes-Benz GLS vs. BMW X7: Which Luxury SUV Is Right for Me?

The Mercedes-Benz GLS and BMW X7 are full-size luxury SUVs designed for drivers who want premium comfort, advanced technology, and room for the whole family. Both offer three rows of seating, powerful engines, and upscale interiors, but they take different approaches to the luxury driving experience.

The Mercedes-Benz GLS prioritizes passenger comfort, a smooth ride, and everyday versatility. The BMW X7 offers engaging driving dynamics and a sporty feel without sacrificing its premium interior.

For families in The Woodlands, TX, choosing between these SUVs comes down to what matters most: a comfortable ride for every passenger or a more performance-focused driving experience.

Mercedes-Benz GLS vs. BMW X7: Key Differences


Feature Mercedes-Benz GLS BMW X7
Seating Three rows, up to seven passengers Three rows, up to seven passengers
Driving experience Comfort-focused and refined Sporty and driver-focused
Standard powertrain Turbocharged inline-six with mild-hybrid technology Turbocharged inline-six with mild-hybrid technology
Available performance upgrade AMG® performance models available V8-powered M60i available
Infotainment Mercedes-Benz User Experience (MBUX) BMW iDrive with Curved Display
All-wheel drive Available 4MATIC® Available xDrive
Best suited for Families prioritizing passenger comfort and ride quality Drivers seeking sporty handling and performance options

Both SUVs deliver premium amenities and advanced technology. The GLS is worth considering if you regularly travel with passengers in all three rows, while the X7 appeals to drivers who want a more athletic feel behind the wheel.

Which SUV Offers More Passenger and Cargo Space?


Passenger comfort is one of the biggest considerations when shopping for a three-row luxury SUV. The Mercedes-Benz GLS emphasizes spacious seating throughout the cabin, making it a strong option for families, frequent carpooling, and longer road trips.

The BMW X7 also provides three rows of seating, along with a flexible interior for passengers and luggage. Its available cargo space varies depending on how the rear seats are configured.

Interior Space and Practicality

Consideration Mercedes-Benz GLS BMW X7
Passenger seating Three rows Three rows
Second-row comfort Designed for generous passenger space Combines comfort with a sporty cabin design
Third-row access and comfort A key focus for family travel Suitable for additional passengers
Cargo flexibility Expandable cargo area with folding rear seats Expandable cargo area with folding rear seats
Everyday versatility Family trips, commuting, and longer journeys Family travel, commuting, and weekend adventures

The right choice depends on how you plan to use the available space. If you regularly carry adults or older children in the rear rows, compare the seating dimensions and access to the third row in person.

Need more room for your next vehicle? Browse our selection of nearly new Mercedes-Benz models or explore our pre-owned vehicles.

How Do the Mercedes-Benz GLS and BMW X7 Compare in Performance?


Both SUVs offer turbocharged six-cylinder engines with mild-hybrid technology, providing a balance of power and everyday drivability. Their available performance configurations give drivers additional options depending on their priorities.

The Mercedes-Benz GLS 450 4MATIC® ® pairs its inline-six engine with a nine-speed automatic transmission and all-wheel drive. Its focus is on delivering smooth acceleration and composed handling, whether you’re merging onto the freeway or driving around The Woodlands.

The BMW X7 xDrive40i features a turbocharged inline-six engine and an eight-speed automatic transmission. It offers responsive acceleration, while the available BMW X7 M60i adds a twin-turbocharged V8 for drivers seeking stronger performance.

Engine and Performance Highlights

Feature Mercedes-Benz GLS 450 4MATIC® ® BMW X7 xDrive40i
Engine Turbocharged inline-six with mild-hybrid technology Turbocharged inline-six with mild-hybrid technology
Transmission Nine-speed automatic Eight-speed automatic
Drivetrain 4MATIC® all-wheel drive xDrive all-wheel drive
Driving character Smooth, composed, and comfort-oriented Responsive and sport-oriented

Which should you choose?

  • Choose the GLS if you value a refined ride, relaxed highway driving, and passenger comfort.

  • Choose the X7 xDrive40i if you prefer a sportier driving character with six-cylinder efficiency.

  • Consider the X7 M60i if V8 performance is a priority.

If towing is important to you, check the official rating for your selected model, engine, and equipment package before making a decision.

Which SUV Offers Better Fuel Economy?


Fuel economy depends on the engine, drivetrain, equipment, and final model-year specifications. Both the GLS and X7 use mild-hybrid technology in their six-cylinder configurations, helping support smooth operation and everyday efficiency.

The BMW X7 xDrive40i may appeal to drivers who prioritize fuel economy within the full-size luxury SUV segment. The GLS offers a balance of performance and comfort for drivers who spend considerable time commuting or traveling with family.

When comparing your options, consider more than the advertised fuel economy:

  • Your typical mix of city and highway driving.

  • How frequently you carry passengers or cargo.

  • Whether you need all-wheel drive.

  • The engine and equipment package you intend to purchase.

For the most accurate comparison, consult the EPA fuel-economy ratings for the specific model years and configurations you’re considering.

Explore our selection of new Mercedes-Benz vehicles to see which SUV fits your driving needs.

What Technology Features Do the GLS and X7 Offer?


Both SUVs feature modern infotainment systems, digital displays, smartphone connectivity, and premium audio options. Their interfaces differ, so a test drive is a useful opportunity to see which setup feels more intuitive.

Mercedes-Benz GLS Technology

The GLS features the Mercedes-Benz User Experience (MBUX) infotainment system, designed to make navigation, entertainment, and vehicle settings easier to access.

Depending on configuration, available features include:

  • Digital instrument and central infotainment displays.

  • Voice control for compatible vehicle functions.

  • Smartphone integration with Apple CarPlay and Android Auto.

  • Premium Burmester® audio systems.

  • Wireless charging and USB charging connections.

  • Available head-up display and additional cabin comfort features.

BMW X7 Technology

The BMW X7 features the BMW Curved Display and iDrive infotainment system, combining digital driver information with central vehicle controls.

Depending on configuration, available features include:

  • A curved digital display.

  • Integrated navigation and vehicle settings.

  • Smartphone connectivity.

  • Premium harman/kardon® or available Bowers & Wilkins audio systems.

  • Driver assistance and parking technology.

The GLS may appeal to drivers who prefer the MBUX interface and a comfort-focused cabin, while the X7 offers a distinctive digital cockpit and a more driver-oriented layout. Equipment varies by trim and package.

Which SUV Has the Better Safety and Driver Assistance Features?


The Mercedes-Benz GLS and BMW X7 offer a range of safety technologies and driver assistance features designed to help drivers stay aware of surrounding traffic.

Depending on the model and equipment, the Mercedes-Benz GLS may offer:

  • Active Distance Assist DISTRONIC® adaptive cruise control.

  • Blind Spot Assist.

  • Active Lane Keeping Assist.

  • Active Parking Assist and available 360-degree camera technology.

  • PRESAFE® safety systems.

The BMW X7 offers its own driver assistance technologies, which may include:

  • Active Blind Spot Detection.

  • Park Distance Control.

  • Active Protection systems.

  • Available advanced highway driving assistance.

  • Available parking assistance technology.

Availability varies by model year, trim, and optional equipment. These systems support the driver but do not replace attentive driving.

For additional support during unexpected vehicle issues, review our Mercedes-Benz roadside assistance resources.

What Should You Consider Before Buying a Luxury SUV?


The best SUV for your household depends on how you balance comfort, performance, practicality, and ownership costs.

Before deciding between the Mercedes-Benz GLS and BMW X7, consider the following:

  • Passenger space: Bring the people who will regularly ride in the vehicle and test all three rows.

  • Driving preferences: Test both SUVs on local roads and highways to compare ride quality, steering, and acceleration.

  • Technology: Try the infotainment systems, navigation, smartphone connectivity, and driver assistance features.

  • Cargo needs: Check the luggage space with the seats arranged the way you normally use them.

  • Ownership costs: Compare insurance, fuel, maintenance, warranty coverage, and available service plans.

  • Vehicle availability: Review the specific trims and equipment packages available in your preferred model year.

You can also start planning your purchase through our online auto finance application.

Book a Test Drive at our Mercedes-Benz GLS Dealer in The Woodlands, TX


The Mercedes-Benz GLS combines premium comfort, sophisticated technology, and three-row versatility in a full-size luxury SUV. For drivers in The Woodlands, TX, it offers a compelling option for daily commuting, family travel, and longer highway journeys.

Visit Mercedes-Benz of The Woodlands to explore available GLS models, compare features, and experience the vehicle firsthand. Our team can help you review available configurations and financing options so you can make an informed decision.

Start by browsing our  new Mercedes-Benz inventory or submitting an  online finance application to take the next step toward your next luxury SUV. Please contact us online for more information on the Mercedes-Benz GLS near Houston. 

FAQ


Is the Mercedes-Benz GLS better than the BMW X7?

The Mercedes-Benz GLS is a strong choice for drivers who prioritize a comfortable ride, a spacious three-row cabin, and refined everyday performance. The BMW X7 is worth considering if you prefer sportier handling and access to a high-performance V8 configuration. The better SUV depends on your priorities.

Which SUV is better for families?

Both the Mercedes-Benz GLS and BMW X7 offer three rows of seating and family-friendly technology. The GLS is particularly worth considering if you frequently carry passengers in the second and third rows. Compare seating comfort, child-seat access, cargo space, and available safety features before choosing.

Does the Mercedes-Benz GLS offer all-wheel drive?

Yes. The Mercedes-Benz GLS 450 4MATIC® ® features the brand’s 4MATIC® all-wheel-drive system. Availability and specifications vary across the GLS lineup.

Does the BMW X7 offer a V8 engine?

Yes. The BMW X7 M60i is available with a twin-turbocharged V8 engine. It provides a more performance-oriented alternative to the six-cylinder X7 xDrive40i.

Which SUV is better for long road trips?

Both SUVs are designed for comfortable long-distance travel. The GLS may appeal to families who prioritize ride comfort and passenger space, while the X7 offers a combination of premium amenities and engaging driving dynamics. A test drive can help you determine which cabin and driving experience you prefer.

Where can I find a Mercedes-Benz GLS for sale near The Woodlands, TX?

Mercedes-Benz of The Woodlands can help you explore available Mercedes-Benz SUVs and compare configurations to find one that suits your needs. Browse our new Mercedes-Benz inventory or review our certified pre-owned Mercedes-Benz vehicles to explore additional options.

Mercedes-Benz GLS For Sale

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Vehicle specification data © JATO Dynamics Limited.