Mercedes-Benz Gls450 vs Audi Q7

What's the difference?

VS
Mercedes-Benz Gls450
Mercedes-Benz Gls450

$170,169 - $191,200

2026 price

Audi Q7
Audi Q7

$75,880 - $129,990

2025 price

Summary

2026 Mercedes-Benz Gls450
2025 Audi Q7
Safety Rating

Engine Type
Diesel Turbo 6, 2.9L

Turbo V6, 3.0L
Fuel Type
Diesel

Diesel/Electric
Fuel Efficiency
7.8L/100km (combined)

7.0L/100km (combined)
Seating
7

7
Dislikes
  • No ANCAP rating
  • High purchase price
  • Intrusive voice activation

  • Thirst for fuel
  • Lack of front row storage
  • Occasional drivetrain hesitation
2026 Mercedes-Benz Gls450 Summary

The ‘Upper Large SUV over $120K’ segment of the Aussie new-car market is what you might call the top end of town, not only in terms of the extravagant models available but also their purchase prices, which stretch well into six figures and require monthly lease payments that rival home mortgages.

It’s where you’ll find some of the most prestigious marques in the automotive world including Rolls-Royce, Aston Martin, Bentley, Ferrari, Lamborghini, Range Rover, Lexus and BMW. And, of course, Mercedes-Benz with its big GLS which represents the flagship of the German manufacturer’s SUV fleet.

It was given a refresh in 2023 with cosmetic and multimedia upgrades along with powertrain enhancements, but there have only been minor changes since then. We were recently entrusted with the keys to the latest GLS to see if the ‘S-Class of SUVs’ leaves any room for improvement.

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2025 Audi Q7 Summary

The updated Audi Q7 is a bit of a game of ‘spot the difference’ - but even though it’s far from a new generation, the update is more than just some shiny new bits.

While the brand’s first SUV is still in its second generation, a bit of modernised design and some tech tweaks are aimed at keeping it in line with rivals, even as it nears a decade on sale. 

As well as the new features, there’s also a new variant bound for Aussie showrooms. So, is it still up to the task?

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Deep dive comparison

2026 Mercedes-Benz Gls450 2025 Audi Q7

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