2020 Porsche Panamera vs. 2020 Mercedes AMG E-Class Sedan

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 2020/01/28

Both the Panamera and AMG E-Class Sedan 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 AMG E-Class Sedan’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.

The Panamera offers available 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 AMG E-Class Sedan doesn’t offer a whiplash protection system.

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 AMG E-Class Sedan doesn’t offer a night vision system.

Both the Panamera and the AMG E-Class Sedan have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver knee 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 7 years longer than the AMG E-Class Sedan’s (12 vs. 5 years).

Reliability

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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 Mercedes vehicles. J.D. Power ranks Porsche second in reliability, above the industry average. With 26 more problems per 100 vehicles, Mercedes is ranked 13th.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Porsche vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Porsche fourth in reliability. Mercedes is ranked 21st.

Engine

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The Panamera Turbo S E-Hybrid’s 4.0 turbo V8 hybrid produces 74 more horsepower (677 vs. 603) than the AMG E-Class Sedan 63 S’ optional 4.0 turbo V8.

Fuel Economy and Range

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

MPGe

Panamera E-Hybrid

AWD

2.9 turbo V6 Hybrid

48 city/54 hwy

4.0 turbo V8 Hybrid

46 city/51 hwy

MPG

AMG E-Class Sedan

AWD

3.0 turbo 6-cyl. Hybrid

21 city/28 hwy

4.0 turbo V8

15 city/23 hwy

On the EPA test cycle the Panamera running its gasoline engine gets better fuel mileage than the AMG E-Class Sedan:

MPG

Panamera

AWD

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

AMG E-Class Sedan

AWD

4.0 turbo V8

15 city/23 hwy

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

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

The Panamera’s standard fuel tank has 2.6 gallons more fuel capacity than the AMG E-Class Sedan (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 AMG E-Class Sedan doesn’t offer an SMG or a conventional manual transmission.

Brakes and Stopping

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For better stopping power the Panamera’s brake rotors are larger than those on the AMG E-Class Sedan:

Panamera E-Hybrid/GTS

Panamera Turbo

Panamera opt.

AMG E 53

AMG E 63 S

Front Rotors

15.4 inches

16.1 inches

16.5 inches

14.6 inches

15.8 inches

Rear Rotors

14.4 inches

15 inches

16.1 inches

14.2 inches

14.2 inches

The Panamera stops shorter than the AMG E-Class Sedan:

Panamera

AMG E-Class

70 to 0 MPH

153 feet

155 feet

Car and Driver

Tires and Wheels

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For better traction, the Panamera has larger standard tires than the AMG E-Class Sedan (F:265/45R19 & R:295/40R19 vs. F:245/40R19 & R:275/35R19). The Panamera’s optional tires are larger than the largest tires available on the AMG E-Class Sedan (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 AMG E-Class Sedan’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 AMG E-Class Sedan 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. Mercedes doesn’t offer an active suspension on the AMG E-Class Sedan.

For a smoother ride and more stable handling, the Panamera’s wheelbase is .4 inches longer than on the AMG E 53 (116.1 inches vs. 115.7 inches). The Panamera Executive’s wheelbase is 6.3 inches longer than on the AMG E 53 (122 inches vs. 115.7 inches).

For better handling and stability, the average track (width between the wheels) on the Panamera is 1 inch wider in the front and 1.9 inches wider in the rear than the average track on the AMG E-Class Sedan.

The Panamera’s front to rear weight distribution is more even (51.2% to 48.8%) than the AMG E-Class Sedan’s (55.3% to 44.7%). This gives the Panamera more stable handling and braking.

For better maneuverability, the Panamera w/Rear Axle Steering’s turning circle is 3.6 feet tighter than the AMG E-Class Sedan’s (37.4 feet vs. 41 feet). The Panamera Executive’s turning circle is .3 feet tighter than the AMG E-Class Sedan’s (40.7 feet vs. 41 feet).

Chassis

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The Porsche Panamera may be more efficient, handle and accelerate better because it weighs up to about 350 pounds less than the Mercedes AMG E-Class Sedan.

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 AMG E-Class Sedan 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 AMG E-Class Sedan doesn’t offer active noise cancellation.

As tested by Car and Driver, the interior of the Panamera Turbo is quieter than the AMG E 63 S:

Panamera

AMG E-Class Sedan

Full-Throttle

75 dB

84 dB

70 MPH Cruising

64 dB

73 dB

Passenger Space

© 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 2020/01/28

Because it has more passenger and cargo room, the EPA rates the Panamera 4dr Hatchback a Large car, while the AMG E-Class Sedan is rated a Mid-size.

The Panamera has 10 cubic feet more passenger volume than the AMG E-Class Sedan (108 vs. 98).

For enhanced passenger comfort on long trips the Panamera’s available rear seats recline. The AMG E-Class Sedan’s rear seats don’t recline.

Cargo Capacity

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The Panamera has a much larger trunk with its rear seat up than the AMG E-Class Sedan (17.6 vs. 13.1 cubic feet).

The Panamera Sport Turismo has a much larger trunk with its rear seat up than the AMG E-Class Sedan (18.3 vs. 13.1 cubic feet).

Pressing a switch automatically lowers the Panamera’s rear seats, to make changing between passengers and cargo easier. The AMG E-Class Sedan doesn’t offer automatic folding seats.

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Porsche service is better than Mercedes. J.D. Power ranks Porsche first in service department satisfaction. With a 23% lower rating, Mercedes is ranked fifth.

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 AMG E-Class Sedan does not have an oil pressure gauge.

To improve rear visibility by keeping the rear window clear, the Panamera offers an optional rear wiper. The AMG E-Class Sedan doesn’t offer a rear wiper.

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

Optional air conditioned front and rear seats keep the Panamera’s passengers comfortable and take the sting out of hot leather in summer. The AMG E-Class Sedan doesn’t offer air-conditioned seats in the rear.

Both the Panamera and the AMG E-Class Sedan offer optional massaging front seats. The Panamera also offers optional massaging rear seats in order to maximize comfort and eliminate fatigue on long trips. Massaging rear seats aren’t available in the AMG E-Class Sedan.

Model Availability

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

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