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For enhanced safety, the front seat shoulder belts of the Cadillac CT6 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 Rolls-Royce Phantom doesn’t offer height-adjustable seat belts.
In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the CT6 are reminded to check the back seat if they opened the rear door before starting out. The Phantom doesn’t offer a back seat reminder.
Over 200 people are killed each year when backed over by motor vehicles. The CT6 Premium Luxury/Platinum has standard Reverse Automatic Braking that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The Phantom doesn’t offer backup collision prevention brakes.
The CT6 has all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The Phantom doesn’t offer all-wheel drive.
Both the CT6 and the Phantom have standard driver and passenger frontal airbags, front side-impact airbags, driver knee 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, lane departure warning systems, blind spot warning systems, rearview cameras, rear cross-path warning, available night vision systems and around view monitors.
Cadillac’s powertrain warranty covers the CT6 2 years longer than Rolls-Royce covers the Phantom. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the Phantom ends after only 4 years.
The CT6’s corrosion warranty is 2 years longer than the Phantom’s (6 vs. 4 years).
There are almost 24 times as many Cadillac dealers as there are Rolls-Royce dealers, which makes it much easier should you ever need service under the CT6’s warranty.
An engine control system that can shut down some of the engine’s cylinders helps improve the CT6’s fuel efficiency. The Phantom doesn’t offer a system that can shut down part of the engine.
In heavy traffic or at stoplights the CT6’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The Phantom doesn’t offer an automatic engine start/stop system.
The CT6 has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The Phantom doesn’t offer a cap-less fueling system.
For more complete vehicle control the CT6 has Hydro-Matic, with the available convenience of an automatic transmission and the complete gear control of a manual transmission without the inconvenience of a clutch. Hydro-Matic allows the driver to eliminate unwanted shifts and maximize engine braking by down shifting while cornering. The Phantom doesn’t offer a transmission that allows complete gear control.
A 10-speed automatic is standard on the Cadillac CT6, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the Phantom.
The CT6 Premium Luxury/Platinum’s tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the Phantom’s optional 45 series tires.
The CT6 has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The Phantom doesn’t offer vehicle monitored tire inflation.
The CT6 has a standard space-saver spare tire so you can replace a flat tire and drive to have the flat repaired or replaced. A spare tire isn’t available on the Phantom; it requires you to depend on its run-flat tires, which limits mileage and speed before they are repaired. If a run-flat is damaged beyond repair by a road hazard your vehicle will have to be towed.
For better maneuverability, the CT6’s turning circle is 2.9 feet tighter than the Phantom’s (40 feet vs. 42.9 feet). The CT6’s turning circle is 5.2 feet tighter than the Phantom EWB’s (40 feet vs. 45.2 feet).
The Cadillac CT6 may be more efficient, handle and accelerate better because it weighs about 1100 to 1600 pounds less than the Rolls-Royce Phantom.
The CT6 is 1 foot, 9.4 inches shorter than the Phantom, making the CT6 easier to handle, maneuver and park in tight spaces.
The CT6 is 5.4 inches narrower than the Phantom, making the CT6 easier to handle and maneuver in traffic.
For excellent aerodynamics, the CT6 has standard flush composite headlights. The Phantom has recessed headlights that spoil its aerodynamic shape and create extra drag.
The front grille of the CT6 uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The Phantom doesn’t offer active grille shutters.
The CT6 uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The Phantom doesn’t offer active noise cancellation.
The CT6 has 5.2 cubic feet more passenger volume than the Phantom (121.2 vs. 116).
To make loading groceries and cargo easier when your hands are full, the CT6’s trunk can be opened and closed just by kicking your foot under the back bumper, leaving your hands completely free. The Phantom doesn’t offer a hands-free gesture to open its trunk, forcing you to put cargo down if your hands are full.
The CT6 has a 1000 lbs. towing capacity. The Phantom has no towing capacity.
The CT6 has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The Phantom doesn’t offer a remote starting system.
The CT6’s instruments include an oil pressure gauge and a temperature gauge - which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The Phantom does not have an oil pressure gauge.
To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the CT6 has standard extendable sun visors. The Phantom doesn’t offer extendable visors.
The CT6 Premium Luxury/Platinum’s 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 Phantom doesn’t offer an automated parking system.
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