2019 Alfa Romeo Stelvio Quadrifoglio vs. 2019 Mercedes AMG GLE 63

Detailed Review, Specifications & Comparison

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2019 Alfa Romeo Stelvio Quadrifoglio

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Safety

To help make backing safer, the Stelvio Quadrifoglio’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 AMG GLE 63 doesn’t offer a cross-path warning system.

Both the Stelvio Quadrifoglio and the AMG GLE 63 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, 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 and available lane departure warning systems.

Engine

As tested in Car and Driver the Alfa Romeo Stelvio Quadrifoglio is faster than the AMG GLE 63 S:

 

Stelvio Quadrifoglio

AMG GLE 63

Zero to 30 MPH

1.3 sec

1.5 sec

Zero to 60 MPH

3.3 sec

3.9 sec

Zero to 100 MPH

8.4 sec

9.8 sec

5 to 60 MPH Rolling Start

4.3 sec

4.5 sec

Passing 30 to 50 MPH

2.4 sec

2.5 sec

Passing 50 to 70 MPH

2.6 sec

3.2 sec

Quarter Mile

11.8 sec

12.5 sec

Speed in 1/4 Mile

117 MPH

112 MPH

Top Speed

176 MPH

160 MPH

Fuel Economy and Range

On the EPA test cycle the Stelvio Quadrifoglio gets better fuel mileage than the AMG GLE 63 (17 city/23 hwy vs. 12 city/18 hwy). The Stelvio Quadrifoglio gets better fuel mileage than the AMG GLE 63 S (17 city/23 hwy vs. 14 city/18 hwy).

An engine control system that can shut down half of the engine’s cylinders helps improve the Stelvio Quadrifoglio’s fuel efficiency. The AMG GLE 63 doesn’t offer a system that can shut down part of the engine.

Transmission

An eight-speed automatic is standard on the Alfa Romeo Stelvio Quadrifoglio, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the AMG GLE 63.

Brakes and Stopping

The Stelvio Quadrifoglio 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 AMG GLE 63 doesn’t offer ceramic brake rotors.

The Stelvio Quadrifoglio stops shorter than the AMG GLE 63:

 

Stelvio Quadrifoglio

AMG GLE 63

 

70 to 0 MPH

155 feet

159 feet

Car and Driver

60 to 0 MPH

103 feet

112 feet

Motor Trend

Tires and Wheels

For better traction and acceleration, the Stelvio Quadrifoglio has larger rear tires than the AMG GLE 63 (285/40R20 vs. 265/45R20).

The Stelvio Quadrifoglio’s 285/40R20 rear tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the AMG GLE 63’s standard 45 series tires.

Chassis

The Alfa Romeo Stelvio Quadrifoglio may be more efficient, handle and accelerate better because it weighs about 850 to 1000 pounds less than the Mercedes AMG GLE 63.

The Stelvio Quadrifoglio is 5.9 inches shorter than the AMG GLE 63 Coupe, making the Stelvio Quadrifoglio easier to handle, maneuver and park in tight spaces.

The design of the Alfa Romeo Stelvio Quadrifoglio amounts to more than styling. The Stelvio Quadrifoglio has an aerodynamic coefficient of drag of .34 Cd. That is lower than the AMG GLE 63 (.34 to .37). A more efficient exterior helps keep the interior quieter and helps the Stelvio Quadrifoglio get better fuel mileage.

As tested by Car and Driver, the interior of the Stelvio Quadrifoglio is quieter than the AMG GLE 63 S Coupe:

 

Stelvio Quadrifoglio

AMG GLE 63

Full-Throttle

80 dB

83 dB

70 MPH Cruising

66 dB

68 dB

Cargo Capacity

To make loading groceries and cargo easier when your hands are full, the Stelvio Quadrifoglio’s available liftgate can be opened and closed just by kicking your foot under the back bumper, leaving your hands completely free. The AMG GLE 63 doesn’t offer a hands-free gesture to open its liftgate, forcing you to put cargo down if your hands are full.

Ergonomics

To improve rear visibility by keeping the rear window clear, the Stelvio Quadrifoglio has a standard rear wiper. The AMG GLE 63 Coupe 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 Stelvio Quadrifoglio has standard headlight washers to keep headlight output high. The AMG GLE 63 doesn’t offer headlight washers.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the Stelvio Quadrifoglio has standard extendable sun visors. The AMG GLE 63 doesn’t offer extendable visors.

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

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