Mercedes-Benz AMG G63 vs Porsche Cayenne

How does the Mercedes-Benz AMG G63 stack up against the Porsche Cayenne? We put their headline specs side by side so you can see exactly where each car leads.

Mercedes-Benz AMG G63Mercedes-Benz AMG G63
vs
Porsche CayennePorsche Cayenne
SpecMercedes-Benz AMG G63Porsche Cayenne
Horsepower (max)585 hp1,136 hp
0-100 km/h (fastest)4.4 s2.5 s
Top speed240 km/h305 km/h
Variants117
Body stylePerformance SUVPerformance SUV
GenerationW463A9YA / E3
Production2018 – present2018 – present
Length4,866 mm4,985 mm
Width1,984 mm1,980 mm
Height1,969 mm1,674 mm
Wheelbase2,890 mm2,895 mm

Mercedes-Benz AMG G63 vs Porsche Cayenne: common questions

Is the Mercedes-Benz AMG G63 or Porsche Cayenne faster?
The Porsche Cayenne is quicker, hitting 0-60 mph in 2.4s versus the Mercedes-Benz AMG G63's 4.2s (0-100 km/h in 2.5s vs 4.4s).
Which has more horsepower, the Mercedes-Benz AMG G63 or the Porsche Cayenne?
The Porsche Cayenne makes more power: 1,136 hp (847 kW) versus 585 hp (436 kW) for the Mercedes-Benz AMG G63.
Is the Mercedes-Benz AMG G63 or Porsche Cayenne faster on top speed?
The Porsche Cayenne has the higher top speed at 190 mph (305 km/h), versus 149 mph (240 km/h) for the Mercedes-Benz AMG G63.
What is the main difference between the Mercedes-Benz AMG G63 and the Porsche Cayenne?
Both are performance suvs in the same class. The Porsche Cayenne has the power advantage, while the Mercedes-Benz AMG G63 undercuts it, so the choice comes down to the spec differences above.