Alfa Romeo Giulia Quadrifoglio vs Infiniti Q50 Red Sport 400

How does the Alfa Romeo Giulia Quadrifoglio stack up against the Infiniti Q50 Red Sport 400? 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
Infiniti Q50 Red Sport 400Infiniti Q50 Red Sport 400
SpecAlfa Romeo Giulia QuadrifoglioInfiniti Q50 Red Sport 400
Horsepower (max)540 hp400 hp
0-100 km/h (fastest)3.6 s4.5 s
Top speed307 km/h250 km/h
Variants21
Body styleFront-engine performance sport sedanPerformance sport sedan
GenerationTipo 952 (refresh)V37
Production2016 – present2016 – 2024
Length4,643 mm4,800 mm
Width1,860 mm1,820 mm
Height1,426 mm1,450 mm
Wheelbase2,820 mm2,850 mm

Alfa Romeo Giulia Quadrifoglio vs Infiniti Q50 Red Sport 400: common questions

Is the Alfa Romeo Giulia Quadrifoglio or Infiniti Q50 Red Sport 400 faster?
The Alfa Romeo Giulia Quadrifoglio is quicker, hitting 0-60 mph in 3.4s versus the Infiniti Q50 Red Sport 400's 4.3s (0-100 km/h in 3.6s vs 4.5s).
Which has more horsepower, the Alfa Romeo Giulia Quadrifoglio or the Infiniti Q50 Red Sport 400?
The Alfa Romeo Giulia Quadrifoglio makes more power: 540 hp (403 kW) versus 400 hp (298 kW) for the Infiniti Q50 Red Sport 400.
Is the Alfa Romeo Giulia Quadrifoglio or Infiniti Q50 Red Sport 400 faster on top speed?
The Alfa Romeo Giulia Quadrifoglio has the higher top speed at 191 mph (307 km/h), versus 155 mph (250 km/h) for the Infiniti Q50 Red Sport 400.
What is the main difference between the Alfa Romeo Giulia Quadrifoglio and the Infiniti Q50 Red Sport 400?
The Alfa Romeo Giulia Quadrifoglio is a front-engine performance sport sedan, while the Infiniti Q50 Red Sport 400 is a performance sport sedan. That difference in body style drives most of the others.
Alfa Romeo Giulia Quadrifoglio specs →Infiniti Q50 Red Sport 400 specs →