2021 Audi RS 7 vs. 2020 Cadillac CT6-V

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 2020/10/21

For enhanced safety, the front and rear seat shoulder belts of the Audi RS 7 have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The Cadillac CT6-V doesn’t offer pretensioners for the rear seat belts.

Both the RS 7 and CT6-V have child safety locks to prevent children from opening the rear doors. The RS 7 has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The CT6-V’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

The RS 7 has a standard Secondary Collision Brake Assist, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The CT6-V doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

The RS 7 has a standard Top and Corner View Cameras to allow the driver to see objects all around the vehicle on a screen. The CT6-V 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 RS 7 and the CT6-V have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras, available night vision systems, blind spot warning systems and rear cross-path warning.

The Audi RS 7 weighs 458 pounds more than the Cadillac CT6-V. The NHTSA advises that heavier cars are much safer in collisions than their significantly lighter counterparts.

Warranty

© 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 2020/10/21

The RS 7’s corrosion warranty is 6 years longer than the CT6-V’s (12 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 2020/10/21

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Audi vehicles are more reliable than Cadillac vehicles. J.D. Power ranks Audi 8th in reliability, above the industry average. With 42 more problems per 100 vehicles, Cadillac is ranked 23rd.

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

Engine

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The RS 7’s 4.0 turbo V8 hybrid produces 41 more horsepower (591 vs. 550) than the CT6-V’s 4.2 turbo V8.

Fuel Economy and Range

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Regenerative brakes improve the RS 7’s fuel efficiency by converting inertia back into energy instead of wasting it. The CT6-V doesn’t offer a regenerative braking system.

Brakes and Stopping

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The RS 7 offers optional heat-treated ceramic brake rotors, which last ten to twenty times as long as conventional cast iron rotors, don’t rust, don’t fade during repeated high speed braking, and their lighter weight contribute to better braking, handling and acceleration. The CT6-V doesn’t offer ceramic brake rotors.

Tires and Wheels

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For better traction, the RS 7 has larger standard tires than the CT6-V (275/35R21 vs. 245/40R20). The RS 7’s optional tires are larger than the largest tires available on the CT6-V (285/30R22 vs. 245/40R20).

The RS 7’s standard tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the CT6-V’s standard 40 series tires. The RS 7’s optional tires have a lower 30 series profile than the CT6-V’s 40 series tires.

For better ride, handling and brake cooling the RS 7 has standard 21-inch wheels. Only 20-inch wheels are available on the CT6-V. The RS 7 offers optional 22-inch wheels.

Suspension and Handling

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The front and rear suspension of the RS 7 uses air springs for a smoother, controlled ride than the CT6-V, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.

The RS 7 has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The RS 7’s height leveling suspension allows the driver to raise ride height for better off-road clearance and then lower it again for easier entering and exiting and better on-road handling. The CT6-V doesn’t offer a load leveling suspension.

For better handling and stability, the track (width between the wheels) on the RS 7 is 2.3 inches wider in the front and 1 inch wider in the rear than on the CT6-V.

Chassis

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The RS 7 is 8.6 inches shorter than the CT6-V, making the RS 7 easier to handle, maneuver and park in tight spaces.

Cargo Capacity

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The RS 7’s standard rear seats fold to accommodate long and bulky cargo. The CT6-V doesn’t offer folding rear seats.

Ergonomics

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In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The RS 7 has standard headlight washers to keep headlight output high. The CT6-V doesn’t offer headlight washers.

On extremely cold winter days, the RS 7’s standard heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The CT6-V doesn’t offer a heated steering wheel.

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