2020 Infiniti Q50 vs. 2020 Cadillac CT4 V-Series

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 2020/07/14

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 CT4 V-Series 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 Cadillac CT4 V-Series doesn’t offer height-adjustable seat belts.

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 CT4 V-Series 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 CT4 V-Series 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 CT4 V-Series’ 4-year/50,000-mile basic warranty expires 10,000 miles sooner.

The Q50’s corrosion warranty is 1 year longer than the CT4 V-Series’ (7 vs. 6 years).

Reliability

© 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 2020/07/14

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Infiniti vehicles are more reliable than Cadillac vehicles. J.D. Power ranks Infiniti 11th in reliability, above the industry average. With 38 more problems per 100 vehicles, Cadillac is ranked 23rd.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Infiniti vehicles are more reliable than Cadillac vehicles. Consumer Reports ranks Infiniti 17 places higher in reliability than Cadillac.

Engine

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The Q50 Red Sport 400’s standard 3.0 turbo V6 produces 75 more horsepower (400 vs. 325) than the CT4 V-Series’ 2.7 turbo 4-cylinder.

Fuel Economy and Range

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The Q50 has 2.6 gallons more fuel capacity than the CT4 V-Series (20 vs. 17.4 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 CT4 V-Series:

Q50 Sport/Red Sport 400

CT4 V-Series

Front Rotors

14 inches

12.6 inches

Rear Rotors

13.8 inches

12.4 inches

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 CT4 V-Series (F:245/40R19 & R:265/35R19 vs. 235/40R18).

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the Q50 can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. Run-flat tires aren’t available on some tire packages on the CT4 V-Series.

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 CT4 V-Series doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the Q50’s wheelbase is 2.9 inches longer than on the CT4 V-Series (112.2 inches vs. 109.3 inches).

For better maneuverability, the Q50’s turning circle is .4 feet tighter than the CT4 V-Series’ (36.7 feet vs. 37.1 feet). The Q50 AWD’s turning circle is .6 feet tighter than the CT4 V-Series AWD’s (37.4 feet vs. 38 feet).

Passenger Space

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Because it has more passenger and cargo room, the EPA rates the Q50 a Mid-size car, while the CT4 V-Series is rated a Compact.

The Q50 has 11.5 cubic feet more passenger volume than the CT4 V-Series (101.5 vs. 90).

The Q50 has 1.9 inches more front headroom, 2.1 inches more front legroom, .2 inches more front hip room, 1.5 inches more front shoulder room, 1 inch more rear headroom, 1.7 inches more rear legroom and 2.2 inches more rear shoulder room than the CT4 V-Series.

Cargo Capacity

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The Q50 has a much larger trunk than the CT4 V-Series (13.5 vs. 10.7 cubic feet).

With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the Q50 offers cargo security. The CT4 V-Series’ non-lockable folding seat and non-lockable remote release defeat cargo security.

Servicing Ease

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The Q50 uses gas struts to support the hood for easier service access. The CT4 V-Series uses a prop rod to support its heavy hood. It takes two hands to open the hood and set the prop rod, the prop rod gets in the way during maintenance and service, and the prop rod could be knocked out, causing the heavy hood to fall on the person maintaining or servicing the car.

Ergonomics

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The Q50’s front and rear power windows all open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The CT4 V-Series’ rear power window switches have to be held the entire time to close them fully.

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 CT4 V-Series can only close the windows from inside the vehicle, with the ignition on.

The CT4 V-Series’ optional cornering lamps activate a lamp on the front corner when the turn signal is activated. The Q50 Sport/Red Sport 400’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.

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