2019 Jaguar XJ vs. 2019 Porsche Panamera

Detailed Review, Specifications & Comparison

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Safety

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 Panamera doesn’t offer pre-crash pretensioners.

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 Panamera 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 Panamera doesn’t offer a driver alert monitor.

Both the XJ and the Panamera 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, rearview cameras and available around view monitors.

Warranty

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 Panamera’s 4-year/50,000-mile basic warranty expires 1 year and 10,000 miles sooner.

Jaguar pays for scheduled maintenance on the XJ for 4 years and 50,000 miles longer than Porsche pays for maintenance for the Panamera (5/60,000 vs. 1/10,000).

Engine

As tested in Car and Driver the XJ 5.0 Supercharged is faster than the Porsche Panamera (base engine):

 

XJ

Panamera

Zero to 30 MPH

1.7 sec

1.8 sec

Zero to 60 MPH

4.4 sec

4.7 sec

Zero to 80 MPH

6.9 sec

7.5 sec

Zero to 100 MPH

10 sec

11.6 sec

5 to 60 MPH Rolling Start

4.7 sec

5.5 sec

Passing 30 to 50 MPH

2.4 sec

3 sec

Passing 50 to 70 MPH

2.9 sec

3.6 sec

Quarter Mile

12.8 sec

13.3 sec

Speed in 1/4 Mile

113 MPH

107 MPH

Brakes and Stopping

For better stopping power the XJ’s standard front brake rotors are larger than those on the Panamera:

 

XJ

Panamera

Front Rotors

14 inches

13.8 inches

In an emergency stopping situation, many drivers don’t press the brakes with enough force to stop the vehicle in the shortest distance. The XJ has a standard Emergency Brake Assist to detect emergency braking situations (by how hard and how quickly the brake pedal is pressed) and then automatically apply maximum braking immediately in order to help prevent a collision. The Panamera doesn’t offer a brake assist feature.

Tires and Wheels

The XJ 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 Panamera; it requires you to depend on roadside assistance and your vehicle will have to be towed.

Suspension and Handling

The rear suspension of the XJ uses air springs for a smoother, controlled ride than the Panamera, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.

For a smoother ride and more stable handling, the XJ’s wheelbase is longer than on the Panamera:

 

XJ

Panamera

SWB Sedan

119.4 inches

116.1 inches

LWB Sedan

124.3 inches

122 inches

For better maneuverability, the XJ’s turning circle is tighter than the Panamera’s:

 

XJ

Panamera

SWB Sedan

39 feet

39 feet

LWB Sedan

40.4 feet

40.7 feet

Chassis

As tested by Car and Driver, the interior of the XJL Supercharged is quieter than the Panamera Turbo:

 

XJ

Panamera

At idle

41 dB

45 dB

Full-Throttle

71 dB

76 dB

70 MPH Cruising

65 dB

65 dB

Passenger Space

The XJ has standard seating for 5 passengers; the Panamera can only carry 4.

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 Panamera’s liftover is 29.7 inches.

With its sedan body style and remote trunk release lockout, the XJ offers cargo security. The Panamera’s hatchback body style and non-lockable remote release defeat cargo security.

Towing

The XJ has a 4080 lbs. towing capacity. The Panamera has no towing capacity.

Ergonomics

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 Panamera doesn’t offer a remote starting system.

The XJ’s standard easy entry system raises the steering wheel, making it easier for the driver to get in and out. An easy entry system costs extra on the Panamera.

If the windows are left open on the XJ the driver can close them all at the outside door handle. On a hot day the driver can lower the windows at the outside door handle or from a distance using the keyless remote. The driver of the Panamera can only operate the windows from inside the vehicle, with the ignition on.

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 Panamera.

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 Panamera doesn’t offer an automated parking system.

Recommendations

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

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

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