2025 Mercedes-Benz GLS vs. 2025 Audi Q7

With three rows of seating and all the features and amenities you expect from this brand, the newest Mercedes-Benz GLS SUV is perfect for many Katy families. But how does this Mercedes-Benz SUV compare to a competitor like the Audi Q7? While you’ll find family-friendly comfort and extended safety suites in both options, the difference is in the details.

Compare the Mercedes-Benz GLS vs. Audi Q7 with the team at Star Motor Cars. Learn how these two luxury SUVs compare for your next Woodlands ride. When you’re ready, start the process by getting pre-approved for financing with us.

Mercedes-Benz GLS vs. Audi Q7: Performance

No matter which Mercedes-Benz GLS SUV you choose for your Houston drives, you’ll find that the Mercedes-Benz provides a more thrilling experience than the Q7. Look forward to your Sugarland adventures every day with this Mercedes-Benz SUV, thanks to its simply better performance specs:

2025 Mercedes-Benz GLS

• Standard engine: 3.0L I6 turbo w/ mild hybrid drive
• Available performance engine: Handcrafted AMG® 4.0L V8 Biturbo w/ Hybrid Assist
• Horsepower: 375 hp – 603 hp
• Torque: 369 lb-ft – 627 lb-ft

2025 Audi Q7

• Standard engine: 2.0L turbo I4
• Available engine: 3.0L turbo I6
• Horsepower: 261 hp – 335 hp
• Torque: 273 lb-ft – 369 lb-ft

Mercedes-Benz GLS vs. Audi Q7: Interior Dimensions

When you upgrade to the Mercedes-Benz GLS SUV, you will find that you can opt for second-row captain’s chairs for extra space, or leave it as a bench seat, to accommodate up to seven passengers. While the Mercedes-Benz GLS and Audi Q7 are similar in front passenger space, folks in the rear will generally have more room in the new Mercedes-Benz SUV.

In addition, the Mercedes-Benz GLS SUV offers more cargo space, accommodating more items when running errands and more gear on longer adventures. Here are the interior dimensions for both the Audi Q7 and Mercedes-Benz GLS:

2025 Mercedes-Benz GLS

• Seating Capacity: 6–7 passengers 
• Headroom (Front/Middle/Rear): 39.4 inches / 40.2 inches / TBA
• Shoulder Room (Front/Middle/Rear): 59.3 inches / 58.5 inches / TBA
• Legroom (Front/Middle/Rear): 40.3 inches / 41.9 inches / 34.6 inches
• Cargo Space: 17.4–84.7 cubic feet

2025 Audi Q7

• Seating Capacity: 7 passengers
• Headroom (Front/Middle/Rear): 39.9 inches / 38.8 inches / 35.9 inches
• Shoulder Room (Front/Middle/Rear): 59.5 inches / 58.5 inches / 49.4 inches
• Legroom (Front/Middle/Rear): 41.7 inches / 38.8 inches / 29.2 inches
• Cargo Space: 13.6–68.1 cubic feet

Test-Drive the Mercedes-Benz GLS SUV at Star Motor Cars

Now that you’ve read our comparison of the Mercedes-Benz GLS vs. Audi Q7 SUVs, it’s time to see it yourself. As an experienced Houston dealership, Star Motor Cars is here to help you get behind the wheel of your preferred model. Call (713) 868-6800 or reach out online to schedule a test drive. Personalize your new SUV even more with one of our genuine Mercedes-Benz accessories. Discover the 2025 Mercedes-Benz GLS SUV near Katy with Star Motor Cars.

*Base MSRP excludes transportation and handling charges, destination charges, taxes, title, registration, preparation and documentary fees, tags, labor and installation charges, insurance, and optional equipment, products, packages and accessories. Options, model availability and actual dealer price may vary. See dealer for details, costs and terms.

**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.