2019 Alfa Romeo Giulia Quadrifoglio vs. 2019 Audi RS 3

Detailed Review, Specifications & Comparison

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Both the Giulia Quadrifoglio and the RS 3 have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, blind spot warning systems, rearview cameras, rear cross-path warning 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 RS 3 has not been tested, yet.


To reliably start during all conditions and help handle large electrical loads, the Giulia Quadrifoglio has a standard 525-amp battery. The RS 3’s 420-amp battery isn’t as powerful.

The battery on the Giulia Quadrifoglio is in the trunk, which protects it from hot underhood temperatures that can degrade battery life. By keeping the Giulia Quadrifoglio’s battery 20 to 30 degrees cooler, its life is increased by years. The RS 3’s battery is in the hot engine compartment.


The Giulia Quadrifoglio’s 2.9 turbo V6 produces 111 more horsepower (505 vs. 394) and 89 lbs.-ft. more torque (443 vs. 354) than the RS 3’s 2.5 turbo 5 cyl.

Fuel Economy and Range

An engine control system that can shut down half of the engine’s cylinders helps improve the Giulia Quadrifoglio’s fuel efficiency. The RS 3 doesn’t offer a system that can shut down part of the engine.

In heavy traffic or at stoplights the Giulia Quadrifoglio’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The RS 3 doesn’t offer an automatic engine start/stop system.


An eight-speed automatic is standard on the Alfa Romeo Giulia Quadrifoglio, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the RS 3.

Brakes and Stopping

For better stopping power the Giulia Quadrifoglio’s brake rotors are larger than those on the RS 3:

Giulia Quadrifoglio

RS 3

Front Rotors

15.4 inches

14.6 inches

Rear Rotors

14.2 inches

12.2 inches

The Giulia Quadrifoglio stops much shorter than the RS 3:

Giulia Quadrifoglio

RS 3

80 to 0 MPH

191 feet

204 feet

Road and Track

70 to 0 MPH

143 feet

157 feet

Car and Driver

60 to 0 MPH

110 feet

116 feet

Road and Track

Tires and Wheels

For better traction, the Giulia Quadrifoglio has larger tires than the RS 3 (F:245/35R19 & R:285/30R19 vs. 235/35R19).

The Giulia Quadrifoglio’s 285/30R19 rear tires provide better handling because they have a lower 30 series profile (height to width ratio) that provides a stiffer sidewall than the RS 3’s standard 35 series tires. The Giulia Quadrifoglio’s tires are lower profile than the RS 3’s optional 35 series rear tires.

Suspension and Handling

For a smoother ride and more stable handling, the Giulia Quadrifoglio’s wheelbase is 7.4 inches longer than on the RS 3 (111 inches vs. 103.6 inches).

For better handling and stability, the track (width between the wheels) on the Giulia Quadrifoglio is 3.1 inches wider in the rear than on the RS 3.

The Giulia Quadrifoglio’s front to rear weight distribution is more even (52.6% to 47.4%) than the RS 3’s (58.2% to 41.8%). This gives the Giulia Quadrifoglio more stable handling and braking.

The Giulia Quadrifoglio handles at 1.00 G’s, while the RS 3 pulls only .96 G’s of cornering force in a Road and Track skidpad test.


As tested by Car and Driver, the interior of the Giulia Quadrifoglio is quieter than the RS 3:

Giulia Quadrifoglio

RS 3


80 dB

88 dB

70 MPH Cruising

68 dB

70 dB

Passenger Space

Because it has more passenger and cargo room, the EPA rates the Giulia Quadrifoglio a Mid-size car, while the RS 3 is rated a Subcompact.

The Giulia Quadrifoglio has 9.4 cubic feet more passenger volume than the RS 3 (95.4 vs. 86).

The Giulia Quadrifoglio has 2.1 inches more front headroom, 1.2 inches more front legroom, 1.3 inches more front shoulder room, 1.5 inches more rear headroom and .6 inches more rear shoulder room than the RS 3.

Cargo Capacity

The Giulia Quadrifoglio has a much larger trunk than the RS 3 (12 vs. 10 cubic feet).

Servicing Ease

The engine in the Giulia Quadrifoglio is mounted longitudinally (North-South), instead of sideways, as in the RS 3. This makes it easier to service and maintain, because the accessory belts are in front.

The Giulia Quadrifoglio has a maintenance free battery for long life without checking the battery’s water level. The RS 3 doesn’t have a maintenance free battery, so the water level in the battery’s cells must be checked often to prevent damage.


When three different drivers share the Giulia Quadrifoglio, the memory seats and mirrors make it convenient for all three. Each setting activates different, customized memories for the driver’s seat position and outside mirror angle. The RS 3 doesn’t offer a memory system.

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. The RS 3 doesn’t offer an easy entry system.

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 RS 3 doesn’t offer heated windshield washer nozzles.

To help drivers see further while navigating curves, the Giulia Quadrifoglio has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The RS 3 doesn’t offer cornering lights.

Both the Giulia Quadrifoglio and the RS 3 offer available heated front seats. The Giulia Quadrifoglio also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the RS 3.

On extremely cold winter days, the Giulia Quadrifoglio’s standard (except w/Sparco Racing Seats) heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The RS 3 doesn’t offer a heated steering wheel.


Motor Trend selected the Giulia Quadrifoglio as their 2018 Car of the Year. The RS 3 has never been chosen.

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

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