2019 Jaguar XJ vs. 2019 Bentley Mulsanne

Detailed Review, Specifications & Comparison

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The XJ’s optional pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Mulsanne doesn’t offer pre-crash pretensioners.

The XJ has standard Active Head Restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Active Head Restraints system moves the headrests forward to prevent neck and spine injuries. The Mulsanne doesn’t offer a whiplash protection system.

The XJ has standard Autonomous 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 XJ offers all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The Mulsanne doesn’t offer all-wheel drive.

The XJ’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 XJ offers an optional Surround Camera System 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 XJ’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.

The XJ’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 Mulsanne doesn’t offer a driver alert monitor.

The XJ has standard InControl, which uses a global positioning satellite (GPS) receiver and a cellular system to remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The Mulsanne doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.

Both the XJ and the Mulsanne have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front and rear 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 XJ comes with a full 5-year/60,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The Mulsanne’s 3-year basic warranty expires 2 years sooner.

The XJ’s corrosion warranty is 3 years longer than the Mulsanne’s (6 vs. 3 years).

Jaguar pays for scheduled maintenance on the XJ for 5 years and 60,000 miles. Jaguar will pay for oil changes, lubrication and any other required maintenance. Bentley doesn’t pay scheduled maintenance for the Mulsanne.

There are almost 4 times as many Jaguar dealers as there are Bentley dealers, which makes it much easier should you ever need service under the XJ’s warranty.


For smoother operation, better efficiency and fewer moving parts, the engines in the XJ have an overhead cam design, rather than the old pushrod design of the engines in the Mulsanne.


The XJR575’s 5.0 supercharged V8 produces 45 more horsepower (575 vs. 530) than the Mulsanne Speed’s optional 6.8 turbo V8.

As tested in Motor Trend the XJ 5.0 Supercharged is faster than the Mulsanne Speed:




Zero to 60 MPH

4 sec

5 sec

Quarter Mile

12.3 sec

13.6 sec

Speed in 1/4 Mile

116.3 MPH

103.3 MPH

Fuel Economy and Range

On the EPA test cycle the XJ gets better fuel mileage than the Mulsanne:








3.0 supercharged V6

18 city/27 hwy



5.0 supercharged V8

15 city/23 hwy



3.0 supercharged V6

17 city/26 hwy



LWB 3.0 supercharged V6

17 city/25 hwy




6.8 turbo V8

10 city/16 hwy



Speed 6.8 turbo V8

10 city/16 hwy

In heavy traffic or at stoplights the XJ’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.

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Jaguar XJ higher (3 to 7 out of 10) than the Bentley Mulsanne (1). This means the XJ produces up to 47 pounds less smog-producing pollutants than the Mulsanne every 15,000 miles.

Brakes and Stopping

The XJ stops shorter than the Mulsanne:





70 to 0 MPH

158 feet

165 feet

Car and Driver

Tires and Wheels

For better traction and acceleration, the XJ has larger standard rear tires than the Mulsanne (275/40R19 vs. 265/45R20). The XJR’s rear tires are larger than the largest rear tires available on the Mulsanne (295/30R20 vs. 265/45R20).

The XJ’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 XJR’s 265/35R20 front and 295/30R20 rear tires have a lower 35 series front and 30 series rear profile than the Mulsanne’s optional 40 series tires.

Suspension and Handling

The XJ Supercharged handles at .87 G’s, while the Mulsanne pulls only .81 G’s of cornering force in a Car and Driver skidpad test.

The XJL Supercharged executes Motor Trend’s “Figure Eight” maneuver quicker than the Mulsanne (26 seconds @ .71 average G’s vs. 26.8 seconds @ .69 average G’s).

For better maneuverability, the XJ’s turning circle is 3.3 feet tighter than the Mulsanne’s (39 feet vs. 42.3 feet).


The Jaguar XJ may be more efficient, handle and accelerate better because it weighs about 1900 to 2100 pounds less than the Bentley Mulsanne.

The XJ is shorter than the Mulsanne, making the XJ easier to handle, maneuver and park in tight spaces:




SWB Sedan

202 inches

219.5 inches

LWB Sedan

206.9 inches

229.3 inches

The design of the Jaguar XJ amounts to more than styling. The XJ has an aerodynamic coefficient of drag of .29 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 XJ get better fuel mileage.

For excellent aerodynamics, the XJ has standard flush composite headlights. The Mulsanne has recessed headlights that spoil its aerodynamic shape and create extra drag.

As tested by Car and Driver while under full throttle, the interior of the XJL Supercharged is quieter than the Mulsanne (71 vs. 72 dB).

Passenger Space

The XJL has 3 cubic feet more passenger volume than the Mulsanne (109 vs. 106).

Cargo Capacity

A low lift-over trunk design makes loading and unloading the XJ easier. The XJ’s trunk lift-over height is 28.5 inches, while the Mulsanne’s liftover is 29.8 inches.


The XJ 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 XJ 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.

Standard InControl Apps for the XJ allows the driver and passengers access to select programs on their smartphones, including reading text messages aloud, playing internet radio stations and other connected activities without taking their eyes off the road or their hands from the wheel. The Mulsanne doesn’t offer factory integrated smartphone program access.

The XJ RWD’s optional Park Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The Mulsanne doesn’t offer an automated parking system.


The XJ was chosen as one of Automobile Magazine’s “All Stars” in 2011. The Mulsanne has never been an “All Star.”

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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