2021 Volvo S90 vs. 2020 Cadillac CT6

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 2020/10/30

For enhanced safety, the front and rear seat shoulder belts of the Volvo S90 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 doesn’t offer pretensioners for the rear seat belts.

Both the S90 and CT6 have child safety locks to prevent children from opening the rear doors. The S90 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’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 Volvo S90 offers optional built in child booster seats. They’re more crash worthy than an added child seat because of their direct attachment to the seat. Cadillac doesn’t offer the convenience and security of a built-in child booster seat in the CT6. Their owners must carry a heavy booster seat in and out of the vehicle; S90 owners can just fold their built-in child seat up or down.

The S90 has standard Automatic Braking After Collision, which automatically apply the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The CT6 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 S90’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The CT6 doesn’t offer a driver alert monitor.

Both the S90 and the CT6 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, height adjustable front shoulder belts, plastic fuel tanks, 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, blind spot warning systems, rearview cameras, rear cross-path warning and available around view monitors.

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, and its standard front crash prevention system, the Insurance Institute for Highway Safety grants the S90 the rating of “Top Pick” for 2017, a rating granted to only 184 vehicles tested by the IIHS. The CT6 has not been tested, yet.

Warranty

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The S90’s corrosion warranty is 6 years longer than the CT6’s (12 vs. 6 years).

Volvo pays for scheduled maintenance on the S90 for 3 years and 36,000 miles. Volvo will pay for oil changes, lubrication and any other required maintenance. Cadillac only pays for the first scheduled maintenance visit on the CT6.

Reliability

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The CT6’s redline is at 7200 RPM, which causes more engine wear, and a greater chance of a catastrophic engine failure. The S90 has a 6000 RPM redline.

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 S90’s reliability 11 points higher than the CT6.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Volvo vehicles are more reliable than Cadillac vehicles. Consumer Reports ranks Volvo 6 places higher in reliability than Cadillac.

Engine

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The S90 T6’s standard 2.0 turbo/supercharged 4-cylinder produces 10 lbs.-ft. more torque (295 vs. 285) than the CT6’s standard 3.6 DOHC V6.

Fuel Economy and Range

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On the EPA test cycle the S90 Recharge running on electricity running on electricity gets better fuel mileage than the CT6:

MPGe

S90

AWD

Electric Motor

58 city/64 hwy

CT6

MPG

AWD

3.6 DOHC V6

18 city/27 hwy

4.2 turbo V8

14 city/25 hwy

On the EPA test cycle the S90 running its gasoline engine gets better fuel mileage than the CT6:

MPG

S90

AWD

T8 2.0 turbo/SC 4-cyl. Hybrid

28 city/31 hwy

T6 2.0 turbo/SC 4-cyl.

21 city/32 hwy

CT6

AWD

3.6 DOHC V6

18 city/27 hwy

4.2 turbo V8

14 city/25 hwy

The S90 Recharge can drive on battery power alone for up to 21 miles. The CT6 must run its internal combustion engine to move.

Regenerative brakes improve the S90’s fuel efficiency by converting inertia back into energy instead of wasting it. The CT6 doesn’t offer a regenerative braking system.

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Volvo S90 higher (7 out of 10) than the Cadillac CT6 (3 to 5). This means the S90 produces up to 24.5 pounds less smog-producing pollutants than the CT6 every 15,000 miles.

Tires and Wheels

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For better traction, the S90’s optional tires are larger than the largest tires available on the CT6 (255/35R20 vs. 245/45R19).

The S90’s optional tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the CT6 Premium Luxury/Platinum’s 40 series tires.

Suspension and Handling

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For better maneuverability, the S90 18” wheels’ turning circle is 1.3 feet tighter than the CT6’s (38.7 feet vs. 40 feet).

Chassis

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The S90 is 5.7 inches shorter than the CT6, making the S90 easier to handle, maneuver and park in tight spaces.

Passenger Space

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The S90 has .5 inches more front hip room and 1.4 inches more rear hip room than the CT6.

Cargo Capacity

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A low lift-over trunk design makes loading and unloading the S90 easier. The S90’s trunk lift-over height is 26.5 inches, while the CT6’s liftover is 29.1 inches.

The S90’s standard rear seats fold to accommodate long and bulky cargo. The CT6 doesn’t offer folding rear seats, only a ski pass-through.

Towing

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The S90’s standard towing capacity is much higher than the CT6’s (3700 vs. 1000 pounds). Maximum trailer towing in the Cadillac CT6 is only 1000 pounds. The S90 offers up to a 4600 lbs. towing capacity.

While the CT6 V8 can only tow 900, any S90 can tow a minimum of 3700 pounds.

Ergonomics

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Heated windshield washer nozzles are optional on the S90 to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The CT6 doesn’t offer heated windshield washer nozzles.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The S90 has standard headlight washers to keep headlight output high. The CT6 doesn’t offer headlight washers.

The CT6 Premium Luxury/Platinum’s cornering lamps activate a lamp on the front corner when the turn signal is activated. The S90’s standard 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.

The S90 has a 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The CT6 doesn’t offer a house-current electrical outlet.

Economic Advantages

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Insurance will cost less for the S90 owner. The Complete Car Cost Guide estimates that insurance for the S90 will cost $1355 less than the CT6 over a five-year period.

The S90 will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the S90 will retain 34.68% to 35.58% of its original price after five years, while the CT6 only retains 33.34% to 34.39%.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Volvo S90 will be $8247 to $39824 less than for the Cadillac CT6.

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 2020/10/30

The S90 was chosen as one of Automobile Magazine’s “All Stars” in 2017. The CT6 has never been an “All Star.”

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