2020 Mercedes AMG E-Class Wagon vs. 2020 Alfa Romeo Stelvio Quadrifoglio

Detailed Review, Specifications & Comparison

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2020 Mercedes AMG E-Class Wagon

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2020 Alfa Romeo Stelvio Quadrifoglio

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Safety

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For enhanced safety, the front and middle seat shoulder belts of the Mercedes AMG E-Class Wagon have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision. The Alfa Romeo Stelvio Quadrifoglio doesn’t offer pretensioners for the middle seat belts.

The AMG E-Class Wagon’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Stelvio Quadrifoglio doesn’t offer pre-crash pretensioners.

The AMG E-Class Wagon has a standard Surround View System to allow the driver to see objects all around the vehicle on a screen. The Stelvio Quadrifoglio 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.

Both the AMG E-Class Wagon and the Stelvio Quadrifoglio have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, blind spot warning systems, rearview cameras, rear cross-path warning and available lane departure warning systems.

The Mercedes AMG E-Class Wagon weighs 412 pounds more than the Alfa Romeo Stelvio Quadrifoglio. The NHTSA advises that heavier cars are much safer in collisions than their significantly lighter counterparts.

Warranty

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The AMG E-Class Wagon’s corrosion warranty is 1 year longer than the Stelvio Quadrifoglio’s (5 vs. 4 years).

There are over 2 times as many Mercedes dealers as there are Alfa Romeo dealers, which makes it much easier should you ever need service under the AMG E-Class Wagon’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 Mercedes vehicles are better in initial quality than Alfa Romeo vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 24 more problems per 100 vehicles, Alfa Romeo is ranked 29th.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Mercedes vehicles are more reliable than Alfa Romeo vehicles. Consumer Reports ranks Mercedes 8 places higher in reliability than Alfa Romeo.

Engine

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The AMG E-Class Wagon’s 4.0 turbo V8 produces 98 more horsepower (603 vs. 505) and 184 lbs.-ft. more torque (627 vs. 443) than the Stelvio Quadrifoglio’s 2.9 turbo V6.

As tested in Road and Track the Mercedes AMG E-Class Wagon is faster than the Alfa Romeo Stelvio Quadrifoglio:

AMG E-Class Wagon

Stelvio Quadrifoglio

Zero to 60 MPH

3 sec

3.3 sec

Quarter Mile

11.2 sec

11.8 sec

Speed in 1/4 Mile

124.3 MPH

116 MPH

Fuel Economy and Range

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The AMG E-Class Wagon has 4.2 gallons more fuel capacity than the Stelvio Quadrifoglio (21.1 vs. 16.9 gallons), for longer range between fill-ups.

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes AMG E-Class Wagon higher (5 to 6 out of 10) than the Alfa Romeo Stelvio Quadrifoglio (3). This means the AMG E-Class Wagon produces up to 23.4 pounds less smog-producing pollutants than the Stelvio Quadrifoglio every 15,000 miles.

Transmission

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A nine-speed automatic is standard on the Mercedes AMG E-Class Wagon, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the Stelvio Quadrifoglio.

The AMG E-Class Wagon’s 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 Stelvio Quadrifoglio doesn’t offer launch control.

Brakes and Stopping

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For better stopping power the AMG E-Class Wagon’s brake rotors are larger than those on the Stelvio Quadrifoglio:

AMG E 63 S Wagon

AMG E 63 S Wagon

Stelvio Quadrifoglio

Stelvio Quadrifoglio

Front Rotors

15.4 inches

15.8 inches

14.2 inches

15.4 inches

Rear Rotors

14.2 inches

14.2 inches

13.8 inches

14.2 inches

Tires and Wheels

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For better traction, the AMG E-Class Wagon has larger tires than the Stelvio Quadrifoglio (F:265/35R20 & R:295/30R20 vs. F:255/45R20 & R:285/40R20).

The AMG E-Class Wagon’s 265/35R20 front and 295/30R20 rear tires provide better handling because they have a lower 35 series front and 30 series rear profile (height to width ratio) that provides a stiffer sidewall than the Stelvio Quadrifoglio’s standard 45 series front and 40 series rear tires.

Suspension and Handling

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The front and rear suspension of the AMG E-Class Wagon uses air springs for a smoother, controlled ride than the Stelvio Quadrifoglio, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.

The AMG E-Class Wagon has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The AMG E-Class Wagon’s height leveling suspension allows the driver to raise ride height for better off-road clearance and then lower it again for easier entering and exiting and better on-road handling. The Stelvio Quadrifoglio doesn’t offer a load leveling suspension.

The AMG E-Class Wagon’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The Stelvio Quadrifoglio doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the AMG E-Class Wagon’s wheelbase is 4.8 inches longer than on the Stelvio Quadrifoglio (115.7 inches vs. 110.9 inches).

For better handling and stability, the track (width between the wheels) on the AMG E-Class Wagon is 3.7 inches wider in the front than on the Stelvio Quadrifoglio.

The AMG E 63 S Wagon handles at .96 G’s, while the Stelvio Quadrifoglio pulls only .93 G’s of cornering force in a Road and Track skidpad test.

Chassis

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The AMG E-Class Wagon is 8.3 inches shorter in height than the Stelvio Quadrifoglio, making the AMG E-Class Wagon much easier to wash and garage and drive (lower center of gravity).

The design of the Mercedes AMG E-Class Wagon amounts to more than styling. The AMG E-Class Wagon has an aerodynamic coefficient of drag of .32 Cd. That is lower than the Stelvio Quadrifoglio (.34) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the AMG E-Class Wagon get better fuel mileage.

Passenger Space

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The AMG E-Class Wagon has standard seating for 7 passengers; the Stelvio Quadrifoglio can only carry 5.

The AMG E-Class Wagon has 4.9 inches more front legroom, .3 inches more front shoulder room, .7 inches more rear headroom, 3.9 inches more rear legroom and 1.1 inches more rear shoulder room than the Stelvio Quadrifoglio.

Cargo Capacity

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The AMG E-Class Wagon’s cargo area provides more volume than the Stelvio Quadrifoglio.

AMG E-Class Wagon

Stelvio Quadrifoglio

Third Seat Folded

35 cubic feet

n/a

Third Seat Removed

n/a

18.5 cubic feet

Second Seat Folded

64 cubic feet

56.5 cubic feet

The AMG E-Class Wagon’s cargo area is larger than the Stelvio Quadrifoglio’s in almost every dimension:

AMG E-Class Wagon

Stelvio Quadrifoglio

Length to seat (2nd/1st)

46.3”/78.9”

39.4”/72.5”

Max Width

43.3”

46.5”

Min Width

32.2”

36.7”

Height

32.2”

28”

Pressing a switch automatically lowers the AMG E-Class Wagon’s second row seats, to make changing between passengers and cargo easier. The Stelvio Quadrifoglio doesn’t offer automatic folding seats.

Ergonomics

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Unlike the driver-only memory seat and mirrors in the Stelvio Quadrifoglio, the AMG E-Class Wagon has standard driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The AMG E-Class Wagon 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 Stelvio Quadrifoglio doesn’t offer a heads-up display.

If the windows are left open on the AMG E-Class Wagon the driver can close them all at the outside door handle or from a distance using the remote (remote must be aimed at door sensor). On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the Stelvio Quadrifoglio can only operate the windows from inside the vehicle, with the ignition on.

Heated windshield washer fluid is standard on the AMG E-Class Wagon to defrost the washer nozzles and quickly clear ice and frost from the windshield without scraping. The Stelvio Quadrifoglio doesn’t offer heated windshield washer fluid. Its standard heated washer nozzles will defrost the washer fluid but not the windshield.

Manual rear side window sunshades are available in the AMG E-Class Wagon to help block heat and glare for the rear passengers. The Stelvio Quadrifoglio doesn’t offer rear side window sunshades.

When the AMG E-Class Wagon is put in reverse, the passenger rearview mirror tilts from its original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirror into its original position. The Stelvio Quadrifoglio’s mirror doesn’t automatically adjust for backing.

Standard air-conditioned seats in the AMG E-Class Wagon keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The Stelvio Quadrifoglio doesn’t offer air-conditioned seats.

The AMG E-Class Wagon offers optional massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the Stelvio Quadrifoglio.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Mercedes AMG E-Class has a standard wireless phone charging system (Qi) in the center console. Wireless charging costs extra on the Stelvio Quadrifoglio.

The AMG E-Class Wagon’s Active Parking Assist can parallel park by itself, stopping and changing direction automatically. The Stelvio Quadrifoglio doesn’t offer an automated parking system.

Model Availability

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The Mercedes AMG E-Class comes in coupe, convertible, sedan and station wagon bodystyles; the Alfa Romeo Stelvio Quadrifoglio isn’t available as a coupe, convertible or sedan.

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 2020/04/06

Road and Track performed a comparison test in its December 2019 issue and they ranked the Mercedes AMG E 63 S Wagon higher than the Alfa Romeo Stelvio Quadrifoglio.

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