2019 Alfa Romeo Giulia Quadrifoglio vs. 2019 Porsche Panamera

Detailed Review, Specifications & Comparison

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2019 Alfa Romeo Giulia Quadrifoglio

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To help make backing safer, the Giulia Quadrifoglio’s cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The Panamera doesn’t offer a cross-path warning system.

Both the Giulia Quadrifoglio and the Panamera have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras and available lane departure warning systems.

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, with its optional front crash prevention system, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the Giulia Quadrifoglio the rating of “Top Pick” for 2018, a rating granted to only 104 vehicles tested by the IIHS. The Panamera has not been tested, yet.


The Giulia Quadrifoglio’s 2.9 turbo V6 produces 175 more horsepower (505 vs. 330) and 112 lbs.-ft. more torque (443 vs. 331) than the Panamera’s standard 3.0 turbo V6. The Giulia Quadrifoglio’s 2.9 turbo V6 produces 65 more horsepower (505 vs. 440) and 38 lbs.-ft. more torque (443 vs. 405) than the Panamera 4S’ standard 2.9 turbo V6. The Giulia Quadrifoglio’s 2.9 turbo V6 produces 52 more horsepower (505 vs. 453) than the Panamera GTS’ standard 4.0 turbo V8.

As tested in Car and Driver the Alfa Romeo Giulia Quadrifoglio is faster than the Porsche Panamera turbo V6:

Giulia Quadrifoglio


Zero to 30 MPH

1.6 sec

1.8 sec

Zero to 60 MPH

3.6 sec

4.7 sec

Zero to 100 MPH

8.1 sec

11.6 sec

5 to 60 MPH Rolling Start

4.2 sec

5.5 sec

Passing 30 to 50 MPH

2.5 sec

3 sec

Passing 50 to 70 MPH

2.8 sec

3.6 sec

Quarter Mile

11.9 sec

13.3 sec

Speed in 1/4 Mile

121 MPH

107 MPH

Brakes and Stopping

For better stopping power the Giulia Quadrifoglio’s standard brake rotors are larger than those on the Panamera:

Giulia Quadrifoglio


Front Rotors

14.2 inches

13.8 inches

Rear Rotors

13.8 inches

13 inches

In an emergency stopping situation, many drivers don’t press the brakes with enough force to stop the vehicle in the shortest distance. The Giulia Quadrifoglio has a standard Panic Brake Assist System to detect emergency braking situations (by how hard and how quickly the brake pedal is pressed) and then automatically apply maximum braking immediately in order to help prevent a collision. The Panamera doesn’t offer a brake assist feature.

The Giulia Quadrifoglio stops much shorter than the Panamera:

Giulia Quadrifoglio


70 to 0 MPH

143 feet

156 feet

Car and Driver

60 to 0 MPH

99 feet

104 feet

Motor Trend

Tires and Wheels

The Giulia Quadrifoglio’s 245/35R19 front and 285/30R19 rear tires provide better handling because they have a lower 35 series front and 30 series rear profile (height to width ratio) that provides a stiffer sidewall than the Panamera’s standard 45 series front and 40 series rear tires.

Suspension and Handling

The Giulia Quadrifoglio handles at 1.00 G’s, while the Panamera Turbo pulls only .94 G’s of cornering force in a Car and Driver skidpad test.

For better maneuverability, the Giulia Quadrifoglio’s turning circle is 1.5 feet tighter than the Panamera’s (37.5 feet vs. 39 feet). The Giulia Quadrifoglio’s turning circle is 3.2 feet tighter than the Panamera Executive’s (37.5 feet vs. 40.7 feet).


The Alfa Romeo Giulia Quadrifoglio may be more efficient, handle and accelerate better because it weighs about 250 to 1400 pounds less than the Porsche Panamera.

The Giulia Quadrifoglio is 1 foot, 4.2 inches shorter than the Panamera, making the Giulia Quadrifoglio easier to handle, maneuver and park in tight spaces.

Passenger Space

The Giulia Quadrifoglio has standard seating for 5 passengers; the Panamera can only carry 4.

Cargo Capacity

A low lift-over trunk design makes loading and unloading the Giulia Quadrifoglio easier. The Giulia Quadrifoglio’s trunk lift-over height is 25.8 inches, while the Panamera’s liftover is 29.7 inches.


The Giulia Quadrifoglio’s standard easy entry system glides the driver’s seat back, making it easier for the driver to get in and out. An easy entry system costs extra on the Panamera.

Heated windshield washer nozzles are standard on the Giulia Quadrifoglio to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The Panamera doesn’t offer heated windshield washer nozzles.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the Giulia Quadrifoglio has standard extendable sun visors. The Panamera doesn’t offer extendable visors.


The Giulia Quadrifoglio was chosen as one of Car and Driver’s “Top Ten” in 2018. The Panamera has never been a Car and Driver “Top Ten” pick.

Motor Trend selected the Giulia Quadrifoglio as their 2018 Car of the Year. The Panamera has never been chosen.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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