Compare the2024 BMW X6 MVS 2024 Alfa Romeo Stelvio Quadrifoglio

Safety
Warranty
Reliability
Engine
Fuel Economy and Range
Transmission
Brakes and Stopping
Tires and Wheels
Suspension and Handling
Passenger Space
Cargo Capacity
Servicing Ease
Ergonomics
Recommendations

Safety

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The X6 M’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.

In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the X6 M are reminded to check the back seat if they opened the rear door before starting out. The Stelvio Quadrifoglio doesn’t offer a back seat reminder.

The X6 M has standard Active Head Restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Active Head Restraints system moves the headrests forward to prevent neck and spine injuries. The Stelvio Quadrifoglio doesn’t offer a whiplash protection system.

The X6 M has a standard PostCrash iBrake, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Stelvio Quadrifoglio doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

Over 200 people are killed each year when backed over by motor vehicles. The X6 M has a standard Active Park Distance Control that uses rear sensors to monitor for objects to the rear and automatically applies the brakes to prevent a collision. The Stelvio Quadrifoglio doesn’t offer backup collision prevention brakes.

The X6 M has a standard Surround View 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 X6 M and the Stelvio Quadrifoglio 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, lane departure warning systems, blind spot warning systems, rearview cameras and rear cross-path warning.

The BMW X6 M weighs 1062 pounds more than the Alfa Romeo Stelvio Quadrifoglio. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

Warranty

The X6 M’s corrosion warranty is 7 years longer than the Stelvio Quadrifoglio’s (12 vs. 5 years).

BMW pays for scheduled maintenance on the X6 M for 3 years and 36,000 miles. BMW will pay for oil changes, air filter replacements, cabin filter replacement, brake fluid replacement, inspections, and any other required maintenance. Alfa Romeo only pays for the first scheduled maintenance visit on the Stelvio Quadrifoglio.

There are almost 3 times as many BMW dealers as there are Alfa Romeo dealers, which makes it much easier should you ever need service under the X6 M’s warranty.

Reliability

J.D. Power and Associates’ 2022 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that BMW vehicles are more reliable than Alfa Romeo vehicles. J.D. Power ranks BMW above average in long-term dependability. With 5 more problems per 100 vehicles in the first three years of ownership, Alfa Romeo is rated below average.

Engine

The X6 M’s 4.4 turbo V8 hybrid produces 112 more horsepower (617 vs. 505) and 110 lbs.-ft. more torque (553 vs. 443) than the Stelvio Quadrifoglio’s 2.9 turbo V6.

Fuel Economy and Range

Regenerative brakes improve the X6 M’s fuel efficiency by converting inertia back into energy instead of wasting it. The Stelvio Quadrifoglio doesn’t offer a regenerative braking system.

The X6 M has 5 gallons more fuel capacity than the Stelvio Quadrifoglio (21.9 vs. 16.9 gallons), for longer range between fill-ups.

Transmission

The X6 M’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

For better stopping power the X6 M’s brake rotors are larger than those on the Stelvio Quadrifoglio:

	X6 M	Stelvio Quadrifoglio
Front Rotors	15.6 inches	14.2 inches
Rear Rotors	15 inches	13.8 inches

Tires and Wheels

For better traction, the X6 M has larger tires than the Stelvio Quadrifoglio (F:295/35R21 & R:315/30R22 vs. F:255/45R20 & R:285/40R20).

The X6 M’s 295/35R21 front and 315/30R22 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. The X6 M’s tires are lower profile than the Stelvio Quadrifoglio’s optional 40 series front and 35 series rear tires.

For better ride, handling and brake cooling the X6 M has standard 21-inch front and 22-inch rear wheels. Smaller 20-inch wheels are standard on the Stelvio Quadrifoglio. The Stelvio Quadrifoglio’s largest wheels are only 21-inches.

The X6 M has a standard space-saver spare tire so you can replace a flat tire and drive to have the flat repaired or replaced. A spare tire isn’t available on the Stelvio Quadrifoglio; it requires you to depend on roadside assistance and your vehicle will have to be towed.

Suspension and Handling

The X6 M has 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 Stelvio Quadrifoglio doesn’t offer an active sway bar system.

The front and rear suspension of the X6 M 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 X6 M offers an available adjustable active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Alfa Romeo doesn’t offer an active suspension on the Stelvio Quadrifoglio.

The X6 M has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The X6 M’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.

For a smoother ride and more stable handling, the X6 M’s wheelbase is 6.1 inches longer than on the Stelvio Quadrifoglio (117 inches vs. 110.9 inches).

For better handling and stability, the track (width between the wheels) on the X6 M is 5.7 inches wider in the front and 3.2 inches wider in the rear than on the Stelvio Quadrifoglio.

The X6 M’s front to rear weight distribution is more even (51.4% to 48.6%) than the Stelvio Quadrifoglio’s (52.9% to 47.1%). This gives the X6 M more stable handling and braking.

For greater off-road capability the X6 M has a greater minimum ground clearance than the Stelvio Quadrifoglio (8.4 vs. 7.9 inches), allowing the X6 M to travel over rougher terrain without being stopped or damaged.

Passenger Space

The X6 M has 3.8 inches more front legroom, 2.5 inches more front shoulder room, 3.8 inches more rear legroom and 1.7 inches more rear shoulder room than the Stelvio Quadrifoglio.

Cargo Capacity

The X6 M has a much larger cargo volume with its rear seat up than the Stelvio Quadrifoglio with its rear seat up (27.4 vs. 18.5 cubic feet). The X6 M has a much larger cargo volume with its rear seat folded than the Stelvio Quadrifoglio with its rear seat folded (59.6 vs. 56.5 cubic feet).

The X6 M’s rear cargo window opens separately from the rest of the tailgate door to allow quicker loading of small packages. The Stelvio Quadrifoglio’s rear cargo window doesn’t open.

Servicing Ease

J.D. Power and Associates surveys of service recipients show that BMW service is better than Alfa Romeo. J.D. Power ranks BMW 7th in service department satisfaction (above the industry average). With a 65% lower rating, Alfa Romeo is ranked 32nd.

Ergonomics

Unlike the driver-only memory seat and mirrors in the Stelvio Quadrifoglio, the X6 M has standard driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position, outside mirror angle, climate settings and radio stations and the front passenger seat also adjusts to the new passenger’s preset preferences.

The X6 M has a standard heads-up display that projects speed, tachometer, warning, navigation instruction and driver assistance information 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 X6 M the driver can close them all at the outside door handle or from a distance using the remote. 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.

The X6 M’s LED headlights produce a white, bright light using less electricity than the Stelvio Quadrifoglio’s xenon high intensity discharge (HID) headlights. HID headlights can be slow to reach full brightness or power cycle, causing issues when flashing them to signal other vehicles; LED headlights light instantly. LED lights also last about three to four times as long.

Manual rear side window sunshades are available in the X6 M to help block heat and glare for the rear passengers. The Stelvio Quadrifoglio doesn’t offer rear side window sunshades.

When the X6 M 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.

Optional air-conditioned seats in the X6 M 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 X6 M has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the vehicle heater warms up. A heated steering wheel isn’t available on the Stelvio Quadrifoglio w/Sparco Racing Seats.

The X6 M 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.

The X6 M’s Parking Assistant Professional can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. Remote Control Parking will park and retrieve your car remotely: press a button and watch it park itself. This is ideal for tight locations. The Stelvio Quadrifoglio doesn’t offer an automated parking system.

Recommendations

J.D. Power and Associates rated the X6 M second among upper midsize premium suvs in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The Stelvio Quadrifoglio isn’t in the top three.

The BMW X6 outsold the Alfa Romeo Stelvio by 76% during 2022.