Porsche Cayenne vs Mercedes-Benz Gls600

What's the difference?

VS
Porsche Cayenne
Porsche Cayenne

$144,900 - $376,200

2026 price

Mercedes-Benz Gls600
Mercedes-Benz Gls600

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2022 price

Summary

2026 Porsche Cayenne
2022 Mercedes-Benz Gls600
Safety Rating

Electric motor type
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Bi Turbo V8, 4.0L
Vehicle type
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Premium Unleaded Petrol
Electric range
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12.5L/100km (combined)
Energy consumption
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Battery capacity
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Seating
5

5
Dislikes
  • No new petrol or hybrid variant (yet)
  • Coupe bodystyle loses practicality
  • Off-road bodykit looks awkward

  • High price tag
  • Glitchy second-row tablet
  • Little bit dull behind the wheel
2026 Porsche Cayenne Summary

No good deed goes unpunished.

Porsche, a brand synonymous with petrol-guzzling sports cars, tried to do the right thing and make a nearly wholesale switch to electric vehicles by the end of the decade. The problem was, while this made governments happy, it didn’t sit well with customers.

Porsche’s all-electric Macan is enduring a torrid 2026, with sales down over 75 per cent now that all the petrol-engined options are gone. 

But that hasn’t stopped the German brand trying again with an all-electric Cayenne. However, there are some key differences that mean this latest electric Porsche won’t suffer the same fate.

Namely, the petrol-powered and hybrid versions aren’t going anywhere and new versions are rumoured to be coming in the not-too-distant future.

For now though, we have this all-new electric Cayenne - so how does it stack up to its predecessors as the sports car brand’s big SUV?  And will it be second time lucky for Porsche’s electric transition? Based on two rather unorthodox days of test driving, the verdict might surprise you…

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2022 Mercedes-Benz Gls600 Summary

You could argue that no brand is more synonymous with luxury than Mercedes-Benz, but what happens with a standard GLS SUV just isn’t exclusive enough for your tastes?

Enter the Mercedes-Maybach GLS 600, which builds on the brand’s large SUV offering with extra helpings of opulence and lavishness.

This thing screams money like Louis Vuitton or Cartier, only it has four wheels and will transport passengers in nearly unrivalled levels of refinement and comfort.

But is it more than just a showpiece? And can it handle the rigours of day-to-day life without losing its shiny, jewel-like lustre? Let’s go for a drive and find out.

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Deep dive comparison

2026 Porsche Cayenne 2022 Mercedes-Benz Gls600

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