Audi Q9 vs Mercedes-Benz AMG G63

How does the Audi Q9 stack up against the Mercedes-Benz AMG G63? We put their headline specs side by side so you can see exactly where each car leads.

Audi Q9Audi Q9
vs
Mercedes-Benz AMG G63Mercedes-Benz AMG G63
SpecAudi Q9Mercedes-Benz AMG G63
Horsepower (max)591 hp585 hp
0-100 km/h (fastest)3.8 s4.4 s
Top speed250 km/h240 km/h
Variants31
Body styleFull-size 7-seat SUVPerformance SUV
GenerationQ9W463A
Production2027 – present2018 – present
Length5,310 mm4,866 mm
Width2,210 mm1,984 mm
Height1,810 mm1,969 mm
Wheelbase3,140 mm2,890 mm

Audi Q9 vs Mercedes-Benz AMG G63: common questions

Is the Audi Q9 or Mercedes-Benz AMG G63 faster?
The Audi Q9 is quicker, hitting 0-60 mph in 3.6s versus the Mercedes-Benz AMG G63's 4.2s (0-100 km/h in 3.8s vs 4.4s).
Which has more horsepower, the Audi Q9 or the Mercedes-Benz AMG G63?
The Audi Q9 makes more power: 591 hp (441 kW) versus 585 hp (436 kW) for the Mercedes-Benz AMG G63.
Is the Audi Q9 or Mercedes-Benz AMG G63 faster on top speed?
The Audi Q9 has the higher top speed at 155 mph (250 km/h), versus 149 mph (240 km/h) for the Mercedes-Benz AMG G63.
What is the main difference between the Audi Q9 and the Mercedes-Benz AMG G63?
The Audi Q9 is a full-size 7-seat suv, while the Mercedes-Benz AMG G63 is a performance suv. That difference in body style drives most of the others.