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The X5’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Stelvio doesn’t offer pre-crash pretensioners.
The X5 has standard Active Protection, which automatically apply the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Stelvio 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.
To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the X5. But it costs extra on the Stelvio.
A passive infrared night vision system optional on the X5 helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera to detect heat, the system then displays the image on a monitor in the dashboard. The Stelvio doesn’t offer a night vision system.
The X5 offers an optional Surround View to allow the driver to see objects all around the vehicle on a screen. The Stelvio 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.
The X5’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Stelvio doesn’t offer a driver alert monitor.
The X5 has standard BMW Assist, which uses a global positioning satellite (GPS) receiver and a cellular system to remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The Stelvio doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.
Both the X5 and the Stelvio have standard driver and passenger frontal airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights and rearview cameras.
The BMW X5 weighs 769 to 1178 pounds more than the Alfa Romeo Stelvio. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.
The X5’s corrosion warranty is 8 years longer than the Stelvio’s (12 vs. 4 years).
BMW pays for scheduled maintenance on the X5 for 2 years and 26000 miles longer than Alfa Romeo pays for maintenance for the Stelvio (3/36,000 vs. 1/10,000).
There are almost 2 times as many BMW dealers as there are Alfa Romeo dealers, which makes it much easier should you ever need service under the X5’s warranty.
The X5 xDrive40i’s standard 3.0 turbo 6 cyl. produces 55 more horsepower (335 vs. 280) and 24 lbs.-ft. more torque (330 vs. 306) than the Stelvio’s 2.0 turbo 4 cyl. The X5 xDrive50i’s standard 4.4 turbo V8 produces 176 more horsepower (456 vs. 280) and 173 lbs.-ft. more torque (479 vs. 306) than the Stelvio’s 2.0 turbo 4 cyl.
Regenerative brakes improve the X5’s fuel efficiency by converting inertia back into energy instead of wasting it. The Stelvio doesn’t offer a regenerative braking system.
The X5 has 5 gallons more fuel capacity than the Stelvio (21.9 vs. 16.9 gallons), for longer range between fill-ups.
The X5’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 doesn’t offer launch control.
For better traction, the X5 has larger standard tires than the Stelvio (265/50R19 vs. 235/60R18). The X5’s optional tires are larger than the largest tires available on the Stelvio (F:275/40R21 & R:315/35R21 vs. 255/45R20).
The X5’s standard tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the Stelvio’s standard 60 series tires. The X5’s optional 275/35R22 front and 315/30R22 rear tires have a lower 35 series front and 30 series rear profile than the Stelvio’s optional 45 series tires.
For better ride, handling and brake cooling the X5 has standard 19-inch wheels. Smaller 18-inch wheels are standard on the Stelvio. The X5’s optional 22-inch wheels are larger than the 20-inch wheels optional on the Stelvio.
Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the X5 can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The Stelvio doesn’t offer run-flat tires.
The X5 offers 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 doesn’t offer an active sway bar system.
The X5 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.
For a smoother ride and more stable handling, the X5’s wheelbase is 6.1 inches longer than on the Stelvio (117.1 inches vs. 111 inches).
For better handling and stability, the track (width between the wheels) on the X5 is 2.6 inches wider in the front and 1.9 inches wider in the rear than on the Stelvio.
For greater off-road capability the X5 has a greater minimum ground clearance than the Stelvio (8.7 vs. 8.1 inches), allowing the X5 to travel over rougher terrain without being stopped or damaged.
The front grille of the X5 uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The Stelvio doesn’t offer active grille shutters.
The X5 offers optional seating for 7 passengers; the Stelvio can only carry 5.
The X5 has .6 inches more front headroom, 3.2 inches more front legroom, 2.5 inches more front shoulder room, 5.5 inches more rear legroom and 2.1 inches more rear shoulder room than the Stelvio.
The X5 5-Passenger has a much larger cargo area with its rear seat up than the Stelvio with its rear seat up (33.9 vs. 18.5 cubic feet). The X5 has a much larger cargo area with its rear seat folded than the Stelvio with its rear seat folded (72.3 vs. 56.5 cubic feet).
Pressing a switch automatically lowers the X5’s optional second and third row seats, to make changing between passengers and cargo easier. The Stelvio doesn’t offer automatic folding second row seats.
A standard locking glovebox keeps your small valuables safer in the X5. The Stelvio doesn’t offer locking storage for small valuables.
The X5’s rear cargo window opens separately from the rest of the tailgate door to allow quicker loading of small packages. The Stelvio’s rear cargo window doesn’t open.
The X5’s standard towing capacity is much higher than the Stelvio’s (6603 vs. 3000 pounds). Maximum trailer towing in the Alfa Romeo Stelvio is only 3000 pounds. The X5 offers up to a 7209 lbs. towing capacity.
The X5 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 doesn’t offer a heads-up display.
When the X5 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’s mirror doesn’t automatically adjust for backing.
Optional air-conditioned seats in the X5 keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The Stelvio doesn’t offer air-conditioned seats.
The X5’s optional Parking Assistant can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The Stelvio doesn’t offer an automated parking system.
The BMW X5 outsold the Alfa Romeo Stelvio by over four to one during the 2018 model year.
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