2019 Alfa Romeo Giulia vs. 2019 Audi A4

Detailed Review, Specifications & Comparison

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Safety

Both the Giulia and the A4 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, available all wheel drive, crash mitigating brakes, lane departure warning systems, blind spot warning systems, front parking sensors and rear cross-path warning.

Reliability

The engine in the Giulia has a single overhead cam for simplicity. The engines in the A4 have dual overhead cams, which add to the number of moving parts and the complexity of the cylinder heads.

Engine

The Giulia’s 2.0 turbo 4 cyl. produces 92 more horsepower (280 vs. 188) and 70 lbs.-ft. more torque (306 vs. 236) than the A4 40 TFSI’s standard 2.0 turbo 4 cyl. The Giulia’s 2.0 turbo 4 cyl. produces 32 more horsepower (280 vs. 248) and 33 lbs.-ft. more torque (306 vs. 273) than the A4 45 TFSI’s standard 2.0 turbo 4 cyl.

As tested in Motor Trend the Alfa Romeo Giulia is faster than the Audi A4:

 

Giulia

A4 40 TFSI

A4 45 TFSI

Zero to 30 MPH

1.9 sec

2.5 sec

1.8 sec

Zero to 60 MPH

5.1 sec

7 sec

5.3 sec

Zero to 80 MPH

8.2 sec

11.9 sec

9.1 sec

Passing 45 to 65 MPH

2.4 sec

3.7 sec

2.8 sec

Quarter Mile

13.6 sec

15.4 sec

13.9 sec

Speed in 1/4 Mile

103.7 MPH

91 MPH

98.6 MPH

Transmission

An eight-speed automatic is standard on the Alfa Romeo Giulia, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the A4.

Brakes and Stopping

For better stopping power the Giulia’s standard brake rotors are larger than those on the A4:

 

Giulia

A4

Front Rotors

13 inches

12.4 inches

Rear Rotors

12.5 inches

11.8 inches

The Giulia stops much shorter than the A4:

 

Giulia

A4

 

60 to 0 MPH

110 feet

120 feet

Motor Trend

Tires and Wheels

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the Giulia can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The A4 doesn’t offer run-flat tires.

Suspension and Handling

For better handling and stability, the track (width between the wheels) on the Giulia is 2.7 inches wider in the rear than on the A4.

The Giulia’s front to rear weight distribution is more even (50% to 50%) than the A4’s (56% to 44%). This gives the Giulia more stable handling and braking.

The Giulia Ti Q4 executes Motor Trend’s “Figure Eight” maneuver 1.6 seconds quicker than the A4 Premium (25.6 seconds @ .71 average G’s vs. 27.2 seconds @ .64 average G’s).

For better maneuverability, the Giulia’s turning circle is .6 feet tighter than the A4’s (37.5 feet vs. 38.1 feet).

Chassis

The Giulia is 3.5 inches shorter than the A4, making the Giulia easier to handle, maneuver and park in tight spaces.

As tested by Car and Driver while at idle, the interior of the Giulia Ti is quieter than the A4 Prestige Quattro (41 vs. 42 dB).

Passenger Space

Because it has more passenger and cargo room, the EPA rates the Giulia a Mid-size car, while the A4 is rated a Compact.

The Giulia has 3.4 cubic feet more passenger volume than the A4 (95.4 vs. 92).

The Giulia has 1.1 inches more front legroom, .2 inches more front shoulder room and .2 inches more rear headroom than the A4.

Cargo Capacity

A low lift-over trunk design makes loading and unloading the Giulia easier. The Giulia’s trunk lift-over height is 25.8 inches, while the A4’s liftover is 26.9 inches.

Ergonomics

The Giulia has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The A4 doesn’t offer a remote starting system.

The Giulia’s standard easy entry system glides the driver’s seat back, making it easier for the driver to get in and out. The A4 doesn’t offer an easy entry system.

Consumer Reports rated the Giulia’s headlight performance “Good,” a higher rating than the A4’s headlights, which were rated “Poor.”

The Insurance Institute for Highway Safety (IIHS) conducts detailed tests on headlights for their range both straight ahead and in curves and to be certain they don’t exceed acceptable amounts of glare to oncoming drivers. The Giulia’s available headlights were rated “Good” by the IIHS, while the A4’s headlights are rated “Acceptable” to “Marginal.”

The A4’s cornering lamps activate a lamp on the front corner when the turn signal is activated. The Giulia’s optional adaptive cornering lights turn the actual headlight unit up to several degrees, depending on steering wheel angle and vehicle speed. This lights a significant distance into corners at any speed.

Recommendations

Motor Trend performed a comparison test in its June 2017 issue and the Alfa Romeo Giulia won out over the Audi A4 Premium Plus Quattro.

The Giulia was chosen as one of Car and Driver’s “Top Ten” in 2018. The A4 has never been a Car and Driver “Top Ten” pick.

Motor Trend selected the Giulia as their 2018 Car of the Year. The A4 has never been chosen.

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

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