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The Quattroporte has standard whiplash protection, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the whiplash protection system moves the headrests forward to prevent neck and spine injuries. The Mulsanne doesn’t offer a whiplash protection system.
The Quattroporte has standard Automated Emergency Braking, which use forward mounted sensors to warn the driver of a possible collision ahead. If the driver doesn’t react and the system determines a collision is imminent, it automatically applies the brakes at full-force in order to reduce the force of the crash or avoid it altogether. The Mulsanne doesn't offer collision warning or crash mitigation brakes.
The Quattroporte S offers all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The Mulsanne doesn’t offer all-wheel drive.
The Quattroporte’s lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. The Mulsanne doesn’t offer a lane departure warning system.
The Quattroporte has a standard Surround View Camera to allow the driver to see objects all around the vehicle on a screen. The Mulsanne 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.
To help make backing safer, the Quattroporte’s cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The Mulsanne doesn’t offer a cross-path warning system.
Both the Quattroporte and the Mulsanne have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, blind spot warning systems and rearview cameras.
The Quattroporte comes with a full 4-year/50,000-mile basic warranty, which covers the entire car and includes free 24-hour roadside assistance. The Mulsanne’s 3-year basic warranty expires 1 year sooner.
The Quattroporte’s corrosion warranty is 1 year longer than the Mulsanne’s (4 vs. 3 years).
There are almost 3 times as many Maserati dealers as there are Bentley dealers, which makes it much easier should you ever need service under the Quattroporte’s warranty.
For smoother operation, better efficiency and fewer moving parts, the engines in the Quattroporte have an overhead cam design, rather than the old pushrod design of the engines in the Mulsanne.
The Quattroporte GTS’ standard 3.8 turbo V8 produces 18 more horsepower (523 vs. 505) than the Mulsanne’s standard 6.8 turbo V8.
On the EPA test cycle the Quattroporte GTS RWD V8 gets better fuel mileage than the Mulsanne with its standard turbo V8 (15 city/22 hwy vs. 10 city/16 hwy).
In heavy traffic or at stoplights the Quattroporte’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 Mulsanne doesn’t offer an automatic engine start/stop system.
The Quattroporte 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 Mulsanne doesn’t offer a cap-less fueling system.
For better traction and acceleration, the Quattroporte has larger standard rear tires than the Mulsanne (275/40R19 vs. 265/45R20). The Quattroporte’s optional rear tires are larger than the largest rear tires available on the Mulsanne (285/35R20 vs. 265/45R20).
The Quattroporte’s standard 275/40R19 rear tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the Mulsanne’s standard 45 series tires. The Quattroporte’s optional 245/35R21 front and 285/30R21 rear tires have a lower 35 series front and 30 series rear profile than the Mulsanne’s optional 40 series tires.
The Quattroporte’s 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 Mulsanne doesn’t offer drift compensation steering.
For better handling and stability, the track (width between the wheels) on the Quattroporte is 1.1 inches wider in the front than on the Mulsanne.
For better maneuverability, the Quattroporte’s turning circle is 3.6 feet tighter than the Mulsanne’s (38.7 feet vs. 42.3 feet).
The Maserati Quattroporte may be more efficient, handle and accelerate better because it weighs about 1850 to 1900 pounds less than the Bentley Mulsanne.
The Quattroporte is 1 foot shorter than the Mulsanne, making the Quattroporte easier to handle, maneuver and park in tight spaces.
The design of the Maserati Quattroporte amounts to more than styling. The Quattroporte has an aerodynamic coefficient of drag of .28 Cd. That is significantly lower than the Mulsanne (.33) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the Quattroporte get better fuel mileage.
For excellent aerodynamics, the Quattroporte has standard flush composite headlights. The Mulsanne has recessed headlights that spoil its aerodynamic shape and create extra drag.
The front grille of the Quattroporte uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The Mulsanne doesn’t offer active grille shutters.
The Quattroporte has 8 cubic feet more passenger volume than the Mulsanne (114 vs. 106).
The Quattroporte has a much larger trunk than the Mulsanne (18.7 vs. 15.75 cubic feet).
The Quattroporte’s standard rear seats fold to accommodate long and bulky cargo. The Mulsanne doesn’t offer folding rear seats.
To make loading groceries and cargo easier when your hands are full, the Quattroporte’s trunk can be opened and closed just by kicking your foot under the back bumper, leaving your hands completely free. The Mulsanne doesn’t offer a hands-free gesture to open its trunk, forcing you to put cargo down if your hands are full.
The Quattroporte 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 Mulsanne doesn’t offer a remote starting system.
The Quattroporte’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 Mulsanne does not have an oil pressure gauge.
Heated windshield washer nozzles are standard on the Quattroporte to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The Mulsanne doesn’t offer heated windshield washer nozzles.
The Quattroporte has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the car heater warms up. A heated steering wheel costs extra on the Mulsanne.
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