2019 Alfa Romeo Stelvio Quadrifoglio vs. 2019 Tesla Model X

Detailed Review, Specifications & Comparison

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2019 Alfa Romeo Stelvio Quadrifoglio

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When descending a steep, off-road slope, the Stelvio Quadrifoglio’s standard Hill Descent Control allows you to creep down safely. The Model X doesn’t offer Hill Descent Control.

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 Model X doesn’t offer a cross-path warning system.

Both the Stelvio Quadrifoglio and the Model X have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger 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.


The Stelvio Quadrifoglio’s 4 year corrosion warranty has no mileage limitations, but the corrosion warranty on the Model X runs out after 50,000 miles.

There are almost 3 times as many Alfa Romeo dealers as there are Tesla dealers, which makes it much easier should you ever need service under the Stelvio Quadrifoglio’s warranty.


The Stelvio Quadrifoglio’s 2.9 turbo V6 produces 177 more horsepower (505 vs. 328) and 56 lbs.-ft. more torque (443 vs. 387) than the Model X 75D’s standard electric motor. The Stelvio Quadrifoglio’s 2.9 turbo V6 produces 88 more horsepower (505 vs. 417) than the Model X 100D’s standard electric motor.

As tested in Motor Trend the Alfa Romeo Stelvio Quadrifoglio is faster than the Model X 75D:


Stelvio Quadrifoglio

Model X

Zero to 60 MPH

3.3 sec

5.5 sec

Quarter Mile

11.8 sec

14.1 sec

Speed in 1/4 Mile

116.1 MPH

100.6 MPH

Fuel Economy and Range

The Stelvio Quadrifoglio’s maximum EPA estimated driving range on a full tank of fuel is 388.7 miles, after which it can be refueled at any gas station in minutes. The Model X’s range is only 238 to 295 miles, after which the minimum recharge time is 30 minutes for only a 54% charge at a specially configured quick charge station not available in most areas. A full recharge at a conventional charging station can take up to 82 hours and 53 minutes.

Brakes and Stopping

For better stopping power the Stelvio Quadrifoglio’s front brake rotors are larger than those on the Model X:


Stelvio Quadrifoglio

Stelvio Quadrifoglio opt.

Model X

Front Rotors

14.2 inches

15.4 inches

14 inches

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 Model X doesn’t offer ceramic brake rotors.

In an emergency stopping situation, many drivers don’t press the brakes with enough force to stop the vehicle in the shortest distance. The Stelvio Quadrifoglio has a standard Panic Brake Assist System to detect emergency braking situations (by how hard and how quickly the brake pedal is pressed) and then automatically apply maximum braking immediately in order to help prevent a collision. The Model X doesn’t offer a brake assist feature.

The Stelvio Quadrifoglio stops much shorter than the Model X:


Stelvio Quadrifoglio

Model X


70 to 0 MPH

155 feet

172 feet

Car and Driver

60 to 0 MPH

103 feet

113 feet

Motor Trend

Tires and Wheels

For better traction and acceleration, the Stelvio Quadrifoglio has larger rear tires than the Model X (285/40R20 vs. 275/45R20).

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 Model X’s 45 series tires.

Suspension and Handling

The Stelvio Quadrifoglio handles at .95 G’s, while the Model X pulls only .86 G’s of cornering force in a Car and Driver skidpad test.

The Stelvio Quadrifoglio executes Motor Trend’s “Figure Eight” maneuver 2.1 seconds quicker than the Model X 75D (24.6 seconds @ .79 average G’s vs. 26.7 seconds @ .7 average G’s).

For better maneuverability, the Stelvio Quadrifoglio’s turning circle is 1 foot tighter than the Model X’s (39.7 feet vs. 40.7 feet).

For greater off-road capability the Stelvio Quadrifoglio has a 1.7 inches greater minimum ground clearance than the Model X (7.9 vs. 6.2 inches), allowing the Stelvio Quadrifoglio to travel over rougher terrain without being stopped or damaged.


The Alfa Romeo Stelvio Quadrifoglio may be more efficient, handle and accelerate better because it weighs about 900 to 1000 pounds less than the Tesla Model X.

The Stelvio Quadrifoglio is 1 foot, 1.2 inches shorter than the Model X, making the Stelvio Quadrifoglio easier to handle, maneuver and park in tight spaces.

Cargo Capacity

The Stelvio Quadrifoglio’s standard rear seats fold to accommodate long and bulky cargo. The Model X 6-Passenger doesn’t offer folding rear seats.

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 Model X doesn’t offer a hands-free gesture to open its liftgate, forcing you to put cargo down if your hands are full.

Servicing Ease

A maintenance reminder system is standard on the Stelvio Quadrifoglio to save the owner time and money by calculating maintenance intervals based on odometer mileage. This takes the guesswork out of keeping your vehicle in top condition and helps it last longer. Tesla doesn’t offer a maintenance reminder on the Model X.


The Stelvio Quadrifoglio’s standard easy entry system glides the driver’s seat back, making it easier for the driver to get in and out. The Model X doesn’t offer an easy entry system.

Heated windshield washer nozzles are standard on the Stelvio Quadrifoglio to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. Heated windshield washer nozzles cost extra on the Model X.

To improve rear visibility by keeping the rear window clear, the Stelvio Quadrifoglio has a standard rear wiper. The Model X 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 Model X doesn’t offer headlight washers.

The Stelvio Quadrifoglio’s standard side window demisters help clear frost or condensation from the side windows in the winter. The Model X doesn’t even offer side window demisters, so the driver may have to wipe the windows from the outside to gain side vision.

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 Model X doesn’t offer extendable visors.

The Stelvio Quadrifoglio has a standard center folding armrest for the rear passengers. A center armrest helps make rear passengers more comfortable. The Model X doesn’t offer a middle row seat center armrest.

The Stelvio Quadrifoglio 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 Model X doesn’t offer a house-current electrical outlet.

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

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