2020 Cadillac XT6 vs. 2020 GMC Acadia

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2019 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 2019/12/08

Over 200 people are killed each year when backed over by motor vehicles. The XT6 offers optional Reverse Automatic Braking that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The Acadia doesn’t offer backup collision prevention brakes.

A passive infrared night vision system optional on the XT6 helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera to detect heat, the system then displays the image on a monitor in the dashboard. The Acadia doesn’t offer a night vision system.

Both the XT6 and the Acadia have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, front wheel drive, height adjustable front shoulder belts, 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, available all wheel drive and around view monitors.

Warranty

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The XT6 comes with a full 4-year/50,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The Acadia’s 3-year/36,000-mile basic warranty expires 1 year and 14,000 miles sooner.

Cadillac’s powertrain warranty covers the XT6 1 year and 10,000 miles longer than GMC covers the Acadia. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the Acadia ends after only 5 years or 60,000 miles.

The XT6’s 6 year corrosion warranty has no mileage limitations, but the corrosion warranty on the Acadia runs out after 100,000 miles.

Reliability

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To reliably power the ignition and other systems and to recharge the battery, the XT6 has a standard 155-amp alternator. The Acadia’s standard 150-amp alternator isn’t as powerful.

Engine

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The XT6’s 3.6 DOHC V6 produces 117 more horsepower (310 vs. 193) and 83 lbs.-ft. more torque (271 vs. 188) than the Acadia’s standard 2.5 DOHC 4 cyl. The XT6’s 3.6 DOHC V6 produces 80 more horsepower (310 vs. 230) and 13 lbs.-ft. more torque (271 vs. 258) than the Acadia’s optional 2.0 turbo 4 cyl.

Fuel Economy and Range

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An engine control system that can shut down half of the engine’s cylinders helps improve the XT6’s fuel efficiency. The Acadia doesn’t offer a system that can shut down part of the engine.

To lower fuel costs and make buying fuel easier, the Cadillac XT6 uses regular unleaded gasoline. The Acadia with the 2.0 turbo 4 cyl. engine requires premium for maximum efficiency, which can cost 20 to 55 cents more per gallon.

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Cadillac XT6 higher (6 out of 10) than the GMC Acadia (5 to 6). This means the XT6 produces up to 6.9 pounds less smog-producing pollutants than the Acadia every 15,000 miles.

Brakes and Stopping

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The XT6 stops shorter than the Acadia:

XT6

Acadia

70 to 0 MPH

171 feet

173 feet

Car and Driver

Tires and Wheels

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For better traction, the XT6 Sport’s optional tires are larger than the largest tires available on the Acadia (265/45R21 vs. 255/65R17).

The XT6’s standard tires provide better handling because they have a lower 55 series profile (height to width ratio) that provides a stiffer sidewall than the Acadia’s standard 65 series tires. The XT6 Sport’s optional tires have a lower 45 series profile than the Acadia’s optional 55 series tires.

For better ride, handling and brake cooling the XT6 has standard 20-inch wheels. Smaller 17-inch wheels are standard on the Acadia. The XT6 Sport’s optional 21-inch wheels are larger than the 20-inch wheels optional on the Acadia.

Suspension and Handling

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For better handling and stability, the track (width between the wheels) on the XT6 is 1.9 inches wider in the front and 1.7 inches wider in the rear than on the Acadia.

The XT6 Sport AWD handles at .88 G’s, while the Acadia Denali AWD pulls only .85 G’s of cornering force in a Car and Driver skidpad test.

Cargo Capacity

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The XT6’s cargo area provides more volume than the Acadia.

XT6

Acadia

Third Seat Folded

43.1 cubic feet

41.7 cubic feet

Both the XT6 and the Acadia have standard second row automatic folding seats. The XT6’s third row seats also fold up or down at the press of a button. The Acadia doesn’t offer automatic folding third row seats.

A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the XT6. The Acadia doesn’t offer locking storage for small valuables.

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Cadillac service is better than GMC. J.D. Power ranks Cadillac third in service department satisfaction. With a 40% lower rating, GMC is ranked 14th.

Ergonomics

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The XT6’s standard easy entry system raises the steering wheel and glides the driver’s seat back, making it easier for the driver to get in and out. An easy entry system costs extra on the Acadia, and is not available on all models.

The XT6 offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Acadia doesn’t offer a heads-up display.

The XT6’s front and rear power windows all open fully with one touch of the switches and its front windows also automatically close, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The Acadia’s rear power window switches have to be held the entire time to open them fully. Only its driver’s window closes automatically.

On a hot day the XT6’s driver can lower all the windows from a distance using the keyless remote. The driver of the Acadia can only operate the windows from inside the vehicle, with the ignition on.

The XT6’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The Acadia’s intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.

To help drivers avoid possible obstacles, the XT6 has standard cornering lights to illuminate around corners when the turn signals are activated. The Acadia doesn’t offer cornering lights.

The XT6 has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the vehicle heater warms up. A heated steering wheel is only available on the Acadia Denali.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Cadillac XT6 has a standard wireless phone charging system (Qi) in the center console. Only the Acadia Denali offers wireless charging.

The XT6’s optional Automatic Park Assist can parallel park or back into a parking spot by itself, starting and stopping automatically, with the driver only responsible for switching from reverse to drive. The Acadia doesn’t offer an automated parking system.

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