2020 Porsche Panamera vs. 2019 Jaguar XJ

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 2020/01/27

Both the Panamera and XJ have child safety locks to prevent children from opening the rear doors. The Panamera offers optional 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 XJ’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.

A passive infrared night vision system optional on the Panamera helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera to detect heat, the system then displays the image on a monitor in the dashboard and even aims one of the vehicle’s headlights in the direction of the person or object. The XJ doesn’t offer a night vision system.

Both the Panamera and the XJ 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, available crash mitigating brakes, lane departure warning systems, blind spot warning systems and around view monitors.

Warranty

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

There are over 13 percent more Porsche dealers than there are Jaguar dealers, which makes it easier should you ever need service under the Panamera’s warranty.

Reliability

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J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Porsche vehicles are better in initial quality than Jaguar vehicles. J.D. Power ranks Porsche 15th in initial quality. With 27 more problems per 100 vehicles, Jaguar is ranked 31st.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Porsche vehicles are more reliable than Jaguar vehicles. J.D. Power ranks Porsche second in reliability, above the industry average. With 60 more problems per 100 vehicles, Jaguar is ranked 25th.

Engine

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The Panamera has more powerful engines than the XJ:

Horsepower

Torque

Panamera 4S 2.9 turbo V6

440 HP

405 lbs.-ft.

Panamera GTS 4.0 turbo V8

453 HP

457 lbs.-ft.

Panamera 4 E-Hybrid 2.9 turbo V6

457 HP

516 lbs.-ft.

Panamera Turbo 4.0 turbo V8

550 HP

567 lbs.-ft.

Panamera Turbo S E-Hybrid 4.0 turbo V8

677 HP

626 lbs.-ft.

XJ 3.0 supercharged V6

340 HP

332 lbs.-ft.

XJ Supercharged 5.0 V8

470 HP

424 lbs.-ft.

XJR575 5.0 supercharged V8

575 HP

517 lbs.-ft.

As tested in Car and Driver the Porsche Panamera (base engine) is faster than the Jaguar XJ supercharged V6:

Panamera

XJ

Zero to 60 MPH

4.7 sec

5.2 sec

Zero to 100 MPH

11.6 sec

12.7 sec

Quarter Mile

13.3 sec

13.8 sec

Speed in 1/4 Mile

107 MPH

104 MPH

Fuel Economy and Range

© 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 2020/01/27

On the EPA test cycle the Panamera E-Hybrid running on electricity gets better fuel mileage than the XJ:

MPGe

Panamera E-Hybrid

AWD

2.9 turbo V6 Hybrid

48 city/54 hwy

4.0 turbo V8 Hybrid

46 city/51 hwy

MPG

XJ

RWD

3.0 supercharged V6

18 city/27 hwy

5.0 supercharged V8

15 city/23 hwy

AWD

3.0 supercharged V6

17 city/26 hwy

LWB 3.0 supercharged V6

17 city/25 hwy

On the EPA test cycle the Panamera running its gasoline engine gets better fuel mileage than the XJ:

MPG

Panamera

RWD

3.0 turbo V6

19 city/27 hwy

AWD

3.0 turbo V6

19 city/26 hwy

2.9 turbo V6 Hybrid

21 city/24 hwy

2.9 turbo V6

18 city/26 hwy

GTS 4.0 turbo V8

16 city/23 hwy

Turbo 4.0 turbo V8

18 city/25 hwy

4.0 turbo V8 Hybrid

19 city/22 hwy

XJ

RWD

3.0 supercharged V6

18 city/27 hwy

5.0 supercharged V8

15 city/23 hwy

AWD

3.0 supercharged V6

17 city/26 hwy

LWB 3.0 supercharged V6

17 city/25 hwy

On the EPA test cycle the Panamera Sport Turismo running its gasoline engine gets better fuel mileage than the XJ:

MPG

Panamera Sport Turismo

RWD

3.0 turbo V6

19 city/27 hwy

AWD

3.0 turbo V6

19 city/26 hwy

2.9 turbo V6 Hybrid

21 city/24 hwy

2.9 turbo V6

18 city/26 hwy

Turbo 4.0 turbo V8

18 city/23 hwy

4.0 turbo V8 Hybrid

19 city/22 hwy

XJ

RWD

3.0 supercharged V6

18 city/27 hwy

5.0 supercharged V8

15 city/23 hwy

AWD

3.0 supercharged V6

17 city/26 hwy

LWB 3.0 supercharged V6

17 city/25 hwy

The Panamera 4 E-Hybrid can drive on battery power alone for up to 14 miles. The XJ must run its internal combustion engine to move.

An engine control system that can shut down half of the engine’s cylinders helps improve the Panamera Turbo/GTS’ fuel efficiency. The XJ doesn’t offer a system that can shut down part of the engine.

Regenerative brakes improve the Panamera’s fuel efficiency by converting inertia back into energy instead of wasting it (mild regeneration on non-hybrids). The XJ doesn’t offer a regenerative braking system.

The Panamera’s standard fuel tank has 2.6 gallons more fuel capacity than the XJ (23.7 vs. 21.1 gallons).

Transmission

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The Panamera offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The XJ doesn’t offer an SMG or a conventional manual transmission.

The Panamera’s optional launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The XJ doesn’t offer launch control.

Brakes and Stopping

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

Panamera 4S

Panamera E-Hybrid/GTS

Panamera Turbo

Panamera opt.

XJ

XJ Supercharged/XJR

Front Rotors

14.2 inches

15.4 inches

16.1 inches

16.5 inches

14 inches

15 inches

Rear Rotors

13 inches

14.4 inches

15 inches

16.1 inches

12.8 inches

14.8 inches

The Panamera offers optional heat-treated ceramic brake rotors, which last ten to twenty times as long as conventional cast iron rotors, don’t rust, don’t fade during repeated high speed braking, and their lighter weight contribute to better braking, handling and acceleration. The XJ doesn’t offer ceramic brake rotors.

The Panamera stops much shorter than the XJ:

Panamera

XJ

70 to 0 MPH

153 feet

159 feet

Car and Driver

60 to 0 MPH

101 feet

121 feet

Motor Trend

Tires and Wheels

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For better traction, the Panamera has larger standard tires than the XJ (F:265/45R19 & R:295/40R19 vs. F:245/45R19 & R:275/40R19). The Panamera’s optional tires are larger than the largest tires available on the XJ (F:275/40R20 & R:315/35R20 vs. F:265/35R20 & R:295/30R20).

For better ride, handling and brake cooling the Panamera offers optional 21-inch wheels. The XJ’s largest wheels are only 20-inches.

Suspension and Handling

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The Panamera offers active sway bars, which help keep it flat and controlled during cornering, but disconnect at lower speeds to smooth the ride and offer greater off-road suspension articulation. This helps keep the tires glued to the road on-road and off. The XJ doesn’t offer an active sway bar system.

The Panamera offers an available adjustable active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Jaguar doesn’t offer an active suspension on the XJ.

For better handling and stability, the average track (width between the wheels) on the Panamera is 1.5 inches wider in the front and 1.6 inches wider in the rear than the track on the XJ.

The Panamera 4S handles at 1.01 G’s, while the XJL Portfolio pulls only .85 G’s of cornering force in a Motor Trend skidpad test.

The Panamera Turbo executes Motor Trend’s “Figure Eight” maneuver 2.5 seconds quicker than the XJL Portfolio (23.9 seconds @ .86 average G’s vs. 26.4 seconds @ .66 average G’s).

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

Panamera

XJ

SWB 4dr Hatchback

37.4 feet

39 feet

LWB 4dr Hatchback

38.7 feet

40.4 feet

AWDSWB 4dr Hatchback

37.4 feet

40.7 feet

AWD LWB 4dr Hatchback

38.7 feet

42.3 feet

Chassis

© 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 2020/01/27

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

Panamera

XJ

SWB 4dr Hatchback

198.8 inches

202 inches

LWB 4dr Hatchback

204.7 inches

206.9 inches

The front grille of the Panamera uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The XJ doesn’t offer active grille shutters.

The Panamera offers available computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The XJ doesn’t offer active noise cancellation.

As tested by Car and Driver while cruising at 70 MPH, the interior of the Panamera Turbo is quieter than the XJ Supercharged (64 vs. 68 dB).

Passenger Space

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The Panamera has 6 cubic feet more passenger volume than the XJ (108 vs. 102).

Cargo Capacity

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The Panamera has a much larger trunk with its rear seat up than the XJ (17.6 vs. 15.2 cubic feet).

The Panamera Sport Turismo has a much larger trunk with its rear seat up than the XJ (18.3 vs. 15.2 cubic feet).

The Panamera’s available rear seats fold to accommodate long and bulky cargo. The XJ doesn’t offer folding rear seats.

To make loading groceries and cargo easier when your hands are full, the Panamera’s available liftgate can be opened and closed just by kicking your foot under the back bumper, leaving your hands completely free. The XJ doesn’t offer a hands-free gesture to open its trunk, forcing you to put cargo down if your hands are full.

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Porsche service is better than Jaguar. J.D. Power ranks Porsche first in service department satisfaction. With a 68% lower rating, Jaguar is ranked 20th.

Ergonomics

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The Panamera’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 XJ does not have an oil pressure gauge.

The Panamera offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The XJ doesn’t offer a heads-up display.

To improve rear visibility by keeping the rear window clear, the Panamera offers an optional rear wiper. The XJ doesn’t offer a rear wiper.

A power rear sunshade is optional in the Panamera (except Sport Turismo) and power rear side window sunshades are optional in the Panamera to help block heat and glare for the rear passengers. The XJ doesn’t offer rear side window sunshades.

The Panamera Sport Turismo offers an optional 115-volt a/c outlet in the cargo area, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The XJ doesn’t offer a house-current electrical outlet.

Model Availability

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The Porsche Panamera comes in four door hatchback and station wagon bodystyles; the Jaguar XJ isn’t available as a station wagon.

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 2020/01/27

The Porsche Panamera outsold the Jaguar XJ by over five to one during the 2019 model year.

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