2018 Jaguar XJ vs. 2018 Mercedes AMG E 63

Detailed Review, Specifications & Comparison

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Safety

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 AMG E 63 doesn’t offer a whiplash protection system.

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 AMG E 63 doesn’t offer a lane departure warning system.

Both the XJ and the AMG E 63 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, rearview cameras, rear cross-path warning, driver alert monitors, available crash mitigating brakes and 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 AMG E 63’s 4-year/50,000-mile basic warranty expires 1 year and 10,000 miles sooner.

The XJ’s corrosion warranty is 1 year longer than the AMG E 63’s (6 vs. 5 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. Mercedes doesn’t pay scheduled maintenance for the AMG E 63.

Fuel Economy and Range

On the EPA test cycle the XJR575 gets better fuel mileage than the E 63 Sedan (15 city/23 hwy vs. 15 city/22 hwy).

Suspension and Handling

For a smoother ride and more stable handling, the XJ’s wheelbase is 3.7 inches longer than on the AMG E 63 (119.4 inches vs. 115.7 inches). The XJL’s wheelbase is 8.6 inches longer than on the AMG E 63 (124.3 inches vs. 115.7 inches).

The XJ’s front to rear weight distribution is more even (51.1% to 48.9%) than the AMG E 63’s (55.3% to 44.7%). This gives the XJ more stable handling and braking.

For better maneuverability, the XJ AWD’s turning circle is .6 feet tighter than the AMG E 63 Sedan’s (40.7 feet vs. 41.3 feet).

Chassis

The Jaguar XJ may be more efficient, handle and accelerate better because it weighs about 500 to 600 pounds less than the Mercedes AMG E 63.

The design of the Jaguar XJ amounts to more than styling. The XJ has an aerodynamic coefficient of drag of .29 Cd. That is lower than the AMG E 63 (.32) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the XJ get better fuel mileage.

As tested by Car and Driver, the interior of the XJL Supercharged is quieter than the AMG E 63 S Sedan:

 

XJ

AMG E 63

At idle

41 dB

42 dB

Full-Throttle

71 dB

84 dB

70 MPH Cruising

65 dB

73 dB

Passenger Space

Because it has more passenger and cargo room, the XJ is rated a Large car by the EPA, while the AMG E 63 Sedan is rated a Mid-size.

The XJ has 4 cubic feet more passenger volume than the AMG E 63 (102 vs. 98).

For enhanced passenger comfort on long trips the XJ L’s available rear seats recline. The AMG E 63’s middle row seats don’t recline.

Cargo Capacity

The XJ has a much larger trunk than the AMG E 63 Sedan (15.2 vs. 13.1 cubic feet).

Ergonomics

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The XJ offers available headlight washers to keep headlight output high. The AMG E 63 doesn’t offer headlight washers.

On extremely cold winter days, the XJ’s standard heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The AMG E 63 doesn’t offer a heated steering wheel.

Model Availability

The XJ is available in both rear-wheel drive and all-wheel drive configurations. The AMG E 63 doesn’t offer a two-wheel drive configuration.

Recommendations

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

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

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