Alfa Romeo Giulia Quadrifoglio vs Mercedes-Benz S-Class

How does the Alfa Romeo Giulia Quadrifoglio stack up against the Mercedes-Benz S-Class? We put their headline specs side by side so you can see exactly where each car leads.

Alfa Romeo Giulia QuadrifoglioAlfa Romeo Giulia Quadrifoglio
vs
Mercedes-Benz S-ClassMercedes-Benz S-Class
SpecAlfa Romeo Giulia QuadrifoglioMercedes-Benz S-Class
Horsepower (max)540 hp791 hp
0-100 km/h (fastest)3.6 s3.3 s
Top speed307 km/h290 km/h
Variants25
Body styleFront-engine performance sport sedanFull-size luxury sedan
GenerationTipo 952 (refresh)W223 / V223
Production2016 – present2020 – present
Length4,643 mm5,289 mm
Width1,860 mm1,921 mm
Height1,426 mm1,503 mm
Wheelbase2,820 mm3,216 mm

Alfa Romeo Giulia Quadrifoglio vs Mercedes-Benz S-Class: common questions

Is the Alfa Romeo Giulia Quadrifoglio or Mercedes-Benz S-Class faster?
The Mercedes-Benz S-Class is quicker, hitting 0-60 mph in 3.1s versus the Alfa Romeo Giulia Quadrifoglio's 3.4s (0-100 km/h in 3.3s vs 3.6s).
Which has more horsepower, the Alfa Romeo Giulia Quadrifoglio or the Mercedes-Benz S-Class?
The Mercedes-Benz S-Class makes more power: 791 hp (590 kW) versus 540 hp (403 kW) for the Alfa Romeo Giulia Quadrifoglio.
Is the Alfa Romeo Giulia Quadrifoglio or Mercedes-Benz S-Class faster on top speed?
The Alfa Romeo Giulia Quadrifoglio has the higher top speed at 191 mph (307 km/h), versus 180 mph (290 km/h) for the Mercedes-Benz S-Class.
What is the main difference between the Alfa Romeo Giulia Quadrifoglio and the Mercedes-Benz S-Class?
The Alfa Romeo Giulia Quadrifoglio is a front-engine performance sport sedan, while the Mercedes-Benz S-Class is a full-size luxury sedan. That difference in body style drives most of the others.