Mercedes-Benz of GLS vs. Audi Q7

Mercedes-Benz GLS vs. 2021 Audi Q7

3.0L inline-6 Turbo with EQ Boost


2.0L 4-Cylinder
362 hp


248 hp
9-Speed Automatic


8-Speed Automatic
34.6 inches

Third-Row Legroom

29.2 inches
7 (6 optional)

Seating Capacity


Are you dreaming of getting behind the wheel of a luxurious new full-size SUV? If so, you might be considering a 2021 Mercedes-Benz GLS or a 2021 Audi Q7, but which one is better? Mercedes-Benz of San Diego can help! This 2021 Audi Q7 vs. Mercedes-Benz GLS comparison shows that the GLS, with its more powerful engine and the roomier cabin, is a better overall value. Learn more about each model’s performance specs and interior dimensions below, and then contact Mercedes-Benz of San Diego to test drive a new Mercedes-Benz GLS SUV.

Audi Q7 vs. Mercedes-Benz GLS: Performance Specs

  • Audi Q7 Engine Options: The 2021 Audi Q7 has two available engines: a base-level 248-hp I4 and an optional 335-hp V6.
  • Mercedes-Benz GLS Base Engine: Both Audi Q7 engines are less powerful than the baseline powertrain in the Mercedes-Benz GLS SUV. With the GLS, you’ll enjoy a standard 362-hp V6 for your trips to San Diego.
  • Mercedes-Benz GLS Engine Options: Looking for even more power to tow a boat or RV? Upgrade to the GLS 580 for a standard 483-hp V8, or move up to the AMG® line to access up to 603 hp!
  • Suspension & Transmission: The Audi Q7 provides standard coil springs and 8-speed automatic transmission. The Mercedes-Benz GLS SUV has a standard 9G-TRONIC® 9-speed automatic transmission, along with standard air suspension.

It’s clear that the Mercedes-Benz GLS SUV is the winner for Del Mar drivers who want more power under the hood!

Audi Q7 vs. Mercedes-Benz GLS: Interior Dimensions

Mercedes-Benz of San Diego knows you want your friends and family to be able to stretch out on those long drives out to Rancho Santa Fe. It’s not hard to see that the GLS is the more passenger-friendly SUV across all three rows of seating. Review the dimensions below and decide for yourself:

2021 Audi Q7 Dimensions

  • Seating Capacity: Seven Passengers
  • Headroom: 39.9 inches (1st) / 38.8 inches (2nd) / 35.9 inches (3rd)
  • Legroom: 41.7 inches (1st) / 38.8 inches (2nd) / 29.2 inches (3rd)
  • Cargo Space Behind Third Row: 14.2 cubic feet
  • Cargo Space with All Seats Flat: 69.6 cubic feet

2021 Mercedes-Benz GLS Dimensions

  • Seating Capacity: Seven, or Six Passengers with 2nd-Row Captain’s Chairs.
  • Headroom: 39.4 inches (1st) / 40.2 inches (2nd) / N/A (3rd)
  • Legroom (1st/2nd/3rd): 40.3 inches (1st) / 41.9 inches (2nd) / 34.6 inches (3rd)
  • Cargo Space Behind Third Row: 17.4 cubic feet
  • Cargo Space with All Seats Flat: 84.7 cubic feet

With five more inches of third-row legroom and almost fifteen more cubic feet of available cargo space, the Mercedes-Benz GLS SUV is ready to help you conquer any to-do list or weekend adventure!

Test Drive an Audi Q7 at Mercedes-Benz of San Diego Today

Now that we’ve compared the 2021 Audi Q7 vs. Mercedes-Benz GLS SUV, you’re probably eager to explore the GLS in person. If so, contact Mercedes-Benz of San Diego and complete a finance application to get the process started today. We’re here for you!

Recent News from Mercedes-Benz of San Diego

  • 2021 Mercedes-Benz Sprinter Dimensions in San Diego, CA

    Whether you need a commercial van for work or you’re gearing up for long-distance adventures, the Mercedes-Benz Sprinter dimensions will help you get there and back with everything you want and need. The Mercedes-Benz Sprinter is available as a Cargo Van, a Passenger Van, a Crew Van, and a Cab Chassis, and dimensions will naturally vary from model to model. Still, every model in the lineup is spacious, smartly-designed, and well-equipped!

  • 2021 Mercedes-Benz GLE Configurations

    Each of the 2021 Mercedes-Benz GLE configurations has plenty to offer busy families and solo adventurers in the San Diego area. Whether you’re looking for a luxury SUV or a high-powered premium coupe, you’ll find that this model offers the perfect mix of space, power, maneuverability, and amenities. After all, this model has risen to the top of the exceptionally competitive midsize luxury SUV class for a reason!

  • What Are the 2021 Mercedes-Benz GLS Dimensions?

    Every aspect of the 2021 Mercedes-Benz GLS SUV is practically guaranteed to please. Of course, that claim extends to the generous Mercedes-Benz GLS dimensions, which allow you to accommodate up to seven passengers on the roads near San Diego and Del Mar. Inside and out, it’s clear that this full-size three-row SUV has exactly what you’re searching…

Mercedes-Benz of San Diego 32.8241398, -117.1471697.