2020 Infiniti Q50 vs. 2020 Alfa Romeo Giulia

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/07/15

The Q50 Sport/Red Sport 400’s optional pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Giulia doesn’t offer pre-crash pretensioners.

For enhanced safety, the front seat shoulder belts of the Infiniti Q50 are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The Alfa Romeo Giulia doesn’t offer height-adjustable seat belts.

Over 200 people are killed each year when backed over by motor vehicles. The Q50 (except Pure) offers optional Back-up Collision Intervention that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The Giulia doesn’t offer backup collision prevention brakes.

The Q50 (except Pure) offers an optional Around View® Monitor to allow the driver to see objects all around the vehicle on a screen. The Giulia only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.

Both the Q50 and the Giulia have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available all-wheel drive, lane departure warning systems, blind spot warning systems and rear cross-path warning.

Warranty

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The Q50 comes with a full 4-year/60,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The Giulia’s 4-year/50,000-mile basic warranty expires 10,000 miles sooner.

Infiniti’s powertrain warranty covers the Q50 2 years and 20,000 miles longer than Alfa Romeo covers the Giulia. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the Giulia ends after only 4 years or 50,000 miles.

The Q50’s corrosion warranty is 3 years longer than the Giulia’s (7 vs. 4 years).

There are over 29 percent more Infiniti dealers than there are Alfa Romeo dealers, which makes it easier should you ever need service under the Q50’s warranty.

Reliability

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A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the Q50’s reliability 26 points higher than the Giulia.

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Infiniti vehicles are better in initial quality than Alfa Romeo vehicles. J.D. Power ranks Infiniti 19th in initial quality. With 17 more problems per 100 vehicles, Alfa Romeo is ranked 29th.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Infiniti vehicles are more reliable than Alfa Romeo vehicles. Consumer Reports ranks Infiniti 16 places higher in reliability than Alfa Romeo.

Engine

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The Q50 3.0t’s standard 3.0 turbo V6 produces 20 more horsepower (300 vs. 280) than the Giulia’s 2.0 turbo 4-cylinder. The Q50 Red Sport 400’s standard 3.0 turbo V6 produces 120 more horsepower (400 vs. 280) and 44 lbs.-ft. more torque (350 vs. 306) than the Giulia’s 2.0 turbo 4-cylinder.

As tested in Consumer Reports the Q50 3.0t is faster than the Alfa Romeo Giulia:

Q50

Giulia

Zero to 30 MPH

2.4 sec

3.1 sec

Zero to 60 MPH

5.7 sec

6.7 sec

Quarter Mile

14.2 sec

15.2 sec

Speed in 1/4 Mile

103 MPH

99 MPH

Fuel Economy and Range

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/07/15

The Q50 has 4.7 gallons more fuel capacity than the Giulia (20 vs. 15.3 gallons), for longer range between fill-ups.

Brakes and Stopping

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For better stopping power the Q50 Sport/Red Sport 400’s front brake rotors are larger than those on the Giulia:

Q50 Sport/Red Sport 400

Giulia

Front Rotors

14 inches

13 inches

Rear Rotors

13.8 inches

12.6 inches

The Q50’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the Giulia are solid, not vented.

The Q50 stops much shorter than the Giulia:

Q50

Giulia

70 to 0 MPH

165 feet

186 feet

Car and Driver

60 to 0 MPH

126 feet

136 feet

Consumer Reports

60 to 0 MPH (Wet)

131 feet

147 feet

Consumer Reports

Tires and Wheels

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For better traction, the Q50 Red Sport 400’s tires are larger than the largest tires available on the Giulia (F:245/40R19 & R:265/35R19 vs. F:225/40R19 & R:255/35R19).

Suspension and Handling

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The Q50 Sport’s optional drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The Giulia doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the Q50’s wheelbase is 1.2 inches longer than on the Giulia (112.2 inches vs. 111 inches).

The Q50 Red Sport 400 handles at .88 G’s, while the Giulia Ti Q4 pulls only .79 G’s of cornering force in a Car and Driver skidpad test.

For better maneuverability, the Q50’s turning circle is .8 feet tighter than the Giulia’s (36.7 feet vs. 37.5 feet). The Q50 AWD’s turning circle is .1 feet tighter than the Giulia’s (37.4 feet vs. 37.5 feet).

Passenger Space

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The Q50 has 6.1 cubic feet more passenger volume than the Giulia (101.5 vs. 95.4).

The Q50 has 1.6 inches more front headroom, 2.1 inches more front legroom, .6 inches more front shoulder room and 2.5 inches more rear shoulder room than the Giulia.

Cargo Capacity

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The Q50 has a much larger trunk than the Giulia (13.5 vs. 12 cubic feet).

With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the Q50 offers cargo security. The Giulia’s non-lockable remote release defeats cargo security.

Ergonomics

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If the windows are left open on the Q50 the driver can close them all at the outside door handle. On a hot day the driver can lower the windows at the outside door handle or from a distance using the keyless remote. The driver of the Giulia can only operate the windows from inside the vehicle, with the ignition on.

The Infiniti Intelligent Key standard on the Q50 allows you to unlock the driver’s door, trunk and start the engine all without removing a key from pocket or purse. This eliminates searching for keys before loading groceries, getting in the vehicle in bad weather or making a hurried start to your trip. The Alfa Romeo Giulia’s Keyless-Go doesn’t unlock the trunk.

When the Q50 Sport/Red Sport 400 is put in reverse, both rearview mirrors tilt from their original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirrors into their original positions. The Giulia’s mirrors don’t automatically adjust for backing.

Recommendations

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/07/15

The Infiniti Q50 outsold the Alfa Romeo Giulia by almost three to one during 2019.

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

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