2021 Mercedes-Benz GLS vs. 2021 Audi Q7

2021 Mercedes-Benz GLS vs. 2021 Audi Q7
2021 Mercedes-Benz GLS


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
88 cm

Third-Row Legroom

74 cm
7 (6 optional)

Seating Capacity


If you’re shopping around Oakville for a luxury crossover, you’ll want to compare the 2021 Audi Q7 vs. the Mercedes-Benz GLS. Both the Mercedes-Benz GLS SUV and Audi Q7 can seat up to 7, provide roomy dimensions, advanced technologies, and fierce performance, but one SUV takes the edge. Read on to learn about which of these SUVs is right for you. Then, apply for financing to take the next step with Mercedes-Benz Burlington 

GLS vs. Q7: Value & Features 

When comparing the 2021 Audi Q7 vs. the Mercedes-Benz GLS, Milton drivers will find that while the Audi Q7 is slightly more affordable, the Mercedes-Benz GLS SUV offers better value. For example, stack the most expensive Q7 trim up to the entry-level GLS 450, and you’ll find that the costly Audi Q7 add-ons come standard on the Mercedes-Benz GLS 450 from the get-go:

  • Front passenger’s lumbar support
  • Remote starting system
  • Air suspension
  • Ventilated front seats

GLS vs. Q7: Interior Dimensions and Cargo Space

The Mercedes-Benz GLS SUV can be configured as either six- or seven-seater, depending on whether you add on second-row captain’s chairs. The Q7 seats seven. In general, the Mercedes-Benz GLS offers roomier interior dimensions and cargo space than the Audi Q7. Take a moment to explore the key measurements for both SUVs below: 

2021 Audi Q7 Dimensions Inside 

  • Front Headroom: 101 cm
  • Middle Headroom: 98.6 cm
  • Rear Headroom: 91 cm
  • Front Legroom: 106 cm 
  • Middle Legroom: 98.6 cm
  • Rear Legroom: 74 cm
  • Cargo Space Behind Third Row: 402 L 
  • Cargo Space with All Seats Flat: 1971 L 

2021 Mercedes-Benz GLS Dimensions Inside 

  • Front Headroom: 100 cm
  • Middle Headroom: 102 cm 
  • Rear Headroom: N/A 
  • Front Legroom: 102.4 cm
  • Middle Legroom: 106.4 cm 
  • Rear Legroom: 87.9 cm
  • Cargo Space Behind Third Row: 493 L 
  • Cargo Space with All Seats Flat: 2,398 L 

GLS vs. Q7: Performance Specs

Again, the Mercedes-Benz GLS comes out on top, offering a standard 3.0L turbocharged inline-6 engine with EQ Boost that demolishes the Q7s offering with riveting performance specs: 

  • Engines: The standard GLS engine offers 362 hp and 369 lb-ft of torque. The Q7 only comes standard with a lacklustre 248n hp 2.0L I-4, and if you upgrade your trim, you’ll still only enjoy up to 335 hp. The GLS offers up to 483 hp, or up to 603 in its AMG® configuration.
  • 2021 Mercedes-Benz GLS Engine Specs: The GLS offers an exceptional ride with 362 hp and 369 lb-ft of torque on its standard 3.0L turbocharged inline-6 engine, and up to 483 hp and 603 lb-ft of torque in its AMG configuration.
  • 2021 Audi Q7 Engine Specs: The Q7’s standard 2.0L I-4 engine only offers 248 hp, and its upgrade option peaks at 335 hp, well under what the GLS offers standard. 

Test Drive a Mercedes-Benz GLS SUV Near Mississauga 

Now that you’ve compared the 2021 Audi Q7 vs. the Mercedes-Benz GLS, call Mercedes-Benz Burlington at 877-557-3007. We’ll set you up with a test drive and break down all of the Mercedes-Benz GLS SUV’s highlight features in greater detail. While you’re here, take a moment to explore our Mercedes-Benz research guides for information about signature Mercedes-Benz features like ATTENTION ASSIST and more!


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