2020 Alfa Romeo Stelvio Quadrifoglio vs. 2020 BMW X3 M

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 2020/09/27

For enhanced safety, the front seat shoulder belts of the Alfa Romeo Stelvio Quadrifoglio are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The BMW X3 M doesn’t offer height-adjustable seat belts.

Both the Stelvio Quadrifoglio and the X3 M have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front seatbelt pretensioners, plastic fuel tanks, 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, available lane departure warning systems and driver alert monitors.

Reliability

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The battery on the Stelvio Quadrifoglio is in the trunk, which protects it from hot underhood temperatures that can degrade battery life. By keeping the Stelvio Quadrifoglio’s battery 20 to 30 degrees cooler, its life is increased by years. The X3 M’s battery is in the hot engine compartment.

Engine

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The Stelvio Quadrifoglio’s 2.9 turbo V6 produces 32 more horsepower (505 vs. 473) and 1 lbs.-ft. more torque (443 vs. 442) than the X3 M’s standard 3.0 turbo 6 cyl. The Stelvio Quadrifoglio’s 2.9 turbo V6 produces 2 more horsepower (505 vs. 503) and 1 lbs.-ft. more torque (443 vs. 442) than the X3 M Competition’s standard 3.0 turbo 6 cyl.

Fuel Economy and Range

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On the EPA test cycle the Stelvio Quadrifoglio gets better fuel mileage than the X3 M with its standard engine (17 city/23 hwy vs. 14 city/19 hwy).

An engine control system that can shut down half of the engine’s cylinders helps improve the Stelvio Quadrifoglio’s fuel efficiency. The X3 M doesn’t offer a system that can shut down part of the engine.

Brakes and Stopping

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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 X3 M doesn’t offer ceramic brake rotors.

Tires and Wheels

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For better traction and acceleration, the Stelvio Quadrifoglio has larger rear tires than the X3 M (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 X3 M’s standard 45 series tires.

Suspension and Handling

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For better maneuverability, the Stelvio Quadrifoglio’s turning circle is 1.7 feet tighter than the X3 M’s (39.7 feet vs. 41.4 feet).

Chassis

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The Alfa Romeo Stelvio Quadrifoglio may be more efficient, handle and accelerate better because it weighs about 300 pounds less than the BMW X3 M.

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 X3 M (.36). A more efficient exterior helps keep the interior quieter and helps the Stelvio Quadrifoglio get better fuel mileage.

Passenger Space

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The front step up height for the Stelvio Quadrifoglio is 1.5 inches lower than the X3 M (17” vs. 18.5”). The Stelvio Quadrifoglio’s rear step up height is .5 inches lower than the X3 M’s (18” vs. 18.5”).

Cargo Capacity

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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 X3 M doesn’t offer a hands-free gesture to open its liftgate, forcing you to put cargo down if your hands are full.

Ergonomics

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The Stelvio Quadrifoglio has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The X3 M doesn’t offer a remote starting system.

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 X3 M 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. The X3 M doesn’t offer heated windshield washer nozzles.

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 X3 M doesn’t offer headlight washers.

The Stelvio Quadrifoglio’s standard GPS navigation system has a real-time traffic update feature that plots alternative routes to automatically bypass traffic problems. (Service not available in all areas.) The X3 M’s navigation system doesn’t offer real-time traffic updates.

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 X3 M doesn’t offer a house-current electrical outlet.

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