Alfa Romeo Stelvio Quadrifoglio vs Mercedes-Benz AMG G63

How does the Alfa Romeo Stelvio Quadrifoglio 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.

Alfa Romeo Stelvio QuadrifoglioAlfa Romeo Stelvio Quadrifoglio
vs
Mercedes-Benz AMG G63Mercedes-Benz AMG G63
SpecAlfa Romeo Stelvio QuadrifoglioMercedes-Benz AMG G63
Horsepower (max)520 hp585 hp
0-100 km/h (fastest)3.8 s4.4 s
Top speed283 km/h240 km/h
Variants11
Body stylePerformance SUVPerformance SUV
GenerationTipo 949 (refresh)W463A
Production2018 – present2018 – present
Length4,687 mm4,866 mm
Width1,903 mm1,984 mm
Height1,671 mm1,969 mm
Wheelbase2,818 mm2,890 mm

Alfa Romeo Stelvio Quadrifoglio vs Mercedes-Benz AMG G63: common questions

Is the Alfa Romeo Stelvio Quadrifoglio or Mercedes-Benz AMG G63 faster?
The Alfa Romeo Stelvio Quadrifoglio 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 Alfa Romeo Stelvio Quadrifoglio or the Mercedes-Benz AMG G63?
The Mercedes-Benz AMG G63 makes more power: 585 hp (436 kW) versus 520 hp (388 kW) for the Alfa Romeo Stelvio Quadrifoglio.
Is the Alfa Romeo Stelvio Quadrifoglio or Mercedes-Benz AMG G63 faster on top speed?
The Alfa Romeo Stelvio Quadrifoglio has the higher top speed at 176 mph (283 km/h), versus 149 mph (240 km/h) for the Mercedes-Benz AMG G63.
What is the main difference between the Alfa Romeo Stelvio Quadrifoglio and the Mercedes-Benz AMG G63?
Both are performance suvs in the same class. The Mercedes-Benz AMG G63 has the power advantage, while the Alfa Romeo Stelvio Quadrifoglio undercuts it, so the choice comes down to the spec differences above.