Drivers searching for the ultimate family car often consider the flagship 3-row SUVs from Mercedes-Benz and BMW: the 2026 Mercedes-Benz GLS and the 2026 BMW X7. Both models feature plenty of comfort, amenities, and technologies for your passengers to enjoy on drives around Wilsonville, as well as powerful engine options to keep up with traffic out to Hillsboro and beyond. What is the difference between the GLS and X7? Learn more about these two flagship 3-row SUVs in this 2026 Mercedes-Benz GLS vs. BMW X7 comparison from the team at Mercedes-Benz of Portland.
| 2026 Mercedes-Benz GLS | Vs. | 2026 BMW X7 |
|---|---|---|
| 375 hp (3.0L inline-6 turbo w/ mild hybrid drive) | Standard Engine hp | 375 hp (3.0L BMW TwinPower Turbo inline-6) |
|
510 hp (4.0L V8 biturbo w/ mild hybrid drive)
603 hp (Handcrafted AMG® 4.0L V8 biturbo w/ hybrid assist) |
Available Engine hp |
523 hp (4.4L BMW M TwinPower Turbo V8)
631 hp (4.4L BMW ALPINA Bi-Turbo V8) |
| 19 / 24 / 21 mpg* (3.0L inline-6 turbo w/ mild hybrid drive) | Standard Fuel Economy (city/highway/combined mpg) | 21 / 25 / 23 mpg (3.0L BMW TwinPower Turbo inline-6) |
When it comes to performance, you’ll find these flagship 3-row SUVs offer plenty of performance for your local drives around Beaverton and long-distance trips across the state. Both models are available with a turbocharged I6 engine, as well as a twin-turbo V8 offered in two power levels: automatic transmissions and standard all-wheel-drive systems route power to all four wheels. Although there isn’t much difference between the GLS and X7 power and fuel economy ratings, Mercedes-Benz is known for its smooth and reliable powertrains. Compare the performance specs and capabilities of the 2026 Mercedes-Benz GLS vs. the BMW X7 below:
When it comes to interior comfort and convenience, both models swaddle their occupants in high-end materials, while heated, ventilated, and massaging seats keep the driver and front passenger comfortable on every drive to Vancouver. Additionally, both flagship 3-row SUVs are available with 6- or 7-passenger seating and mult-zone climate controls for each seating area. The main difference between the GLS and X7 interiors is the available space. Compare the 2026 Mercedes-Benz GLS vs. BMW X7 interior dimensions and cargo volume to see where the GLS trumps the X7 in overall room below:
Now that you know more about the advantages of the 2026 Mercedes-Benz GLS, it’s time for a firsthand experience at our showroom serving Lake Oswego. Contact us today to schedule your consultation for the new Mercedes-Benz GLS at Mercedes-Benz of Portland. Our team will review the features and performance of each trim level to ensure you find the best SUV for the family. Save time by getting pre-approved for financing, then browse our current lease offers before visiting our showroom in Portland.
Disclaimers (if applicable):
*Stated rates of acceleration are estimated based upon manufacturer’s track results and may vary depending on model, environmental and road surface conditions, driving style, elevation and vehicle load.
**With optional trailer hitch. Read Operator’s Manual before towing. In some states, aftermarket trailer brakes are required. See dealer for details.
***EPA estimated fuel economy. Compare the estimated mpg to the estimated mpg of other vehicles. You may get different mileage depending on how fast you drive, weather conditions and trip length. Your actual highway mileage will probably be less than the highway estimate.
