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For enhanced safety, the front and rear seat shoulder belts of the Audi Q8 have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The Alfa Romeo Stelvio doesn’t offer pretensioners for the rear seat belts.
The Q8’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.
Both the Q8 and Stelvio have child safety locks to prevent children from opening the rear doors. The Q8 has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The Stelvio’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.
The Q8 has a standard Secondary Collision Brake Assist, which automatically applies 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 Q8. But it costs extra on the Stelvio.
A passive infrared night vision system optional on the Q8 Prestige 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 Q8 Premium Plus/Prestige has a standard Top View Cameras 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 Q8 has a standard Audi Connect CARE, 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 Q8 and the Stelvio have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available blind spot warning systems and rear cross-path warning.
The Audi Q8 weighs 961 to 1120 pounds more than the Alfa Romeo Stelvio. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.
For its top level performance in IIHS driver-side small overlap frontal, moderate overlap frontal, side impact, rear impact and roof-crush tests, its standard front crash prevention system, its “Good” rating in the new passenger-side small overlap crash test, and its available headlight’s “Acceptable” rating, the Insurance Institute for Highway Safety grants the Q8 the rating of “Top Pick” for 2019, a rating granted to only 106 vehicles tested by the IIHS. The Stelvio has not been tested, yet.
The Q8’s corrosion warranty is 8 years longer than the Stelvio’s (12 vs. 4 years).
There are over 75 percent more Audi dealers than there are Alfa Romeo dealers, which makes it much easier should you ever need service under the Q8’s warranty.
J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Audi vehicles are better in initial quality than Alfa Romeo vehicles. J.D. Power ranks Audi 22nd in initial quality. With 12 more problems per 100 vehicles, Alfa Romeo is ranked 29th.
The Q8’s 3.0 turbo V6 hybrid produces 55 more horsepower (335 vs. 280) and 63 lbs.-ft. more torque (369 vs. 306) than the Stelvio’s 2.0 turbo 4 cyl.
Regenerative brakes improve the Q8’s fuel efficiency by converting inertia back into energy instead of wasting it. The Stelvio doesn’t offer a regenerative braking system.
The Q8 has 5.6 gallons more fuel capacity than the Stelvio (22.5 vs. 16.9 gallons), for longer range between fill-ups.
For better stopping power the Q8’s brake rotors are larger than those on the Stelvio:
For better traction, the Q8 has larger standard tires than the Stelvio (275/50R20 vs. 235/60R18). The Q8’s optional tires are larger than the largest tires available on the Stelvio (285/45R21 vs. 255/45R20).
The Q8’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 Q8’s optional tires have a lower 40 series profile than the Stelvio’s optional 45 series tires.
For better ride, handling and brake cooling the Q8 has standard 20-inch wheels. Smaller 18-inch wheels are standard on the Stelvio. The Q8’s optional 22-inch wheels are larger than the 20-inch wheels optional on the Stelvio.
For a smoother ride and more stable handling, the Q8’s wheelbase is 6.9 inches longer than on the Stelvio (117.9 inches vs. 111 inches).
For better handling and stability, the track (width between the wheels) on the Q8 is 2.6 inches wider in the front and 1.8 inches wider in the rear than on the Stelvio.
The Q8 has 5 inches more front legroom, 2 inches more front shoulder room, 8.3 inches more rear legroom and 2.5 inches more rear shoulder room than the Stelvio.
For enhanced passenger comfort on long trips the Q8’s rear seats recline. The Stelvio’s rear seats don’t recline.
The Q8 has a much larger cargo volume with its rear seat up than the Stelvio with its rear seat up (30.5 vs. 18.5 cubic feet). The Q8 has a much larger cargo volume with its rear seat folded than the Stelvio with its rear seat folded (60.7 vs. 56.5 cubic feet).
The Q8’s cargo area is larger than the Stelvio’s in every dimension:
Length to seat (2nd/1st)
The Q8’s standard towing capacity is much higher than the Stelvio’s (7700 vs. 3000 pounds).
Unlike the driver-only memory seat and mirrors in the Stelvio, the Q8 offers an optional passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.
The Q8 Prestige has a standard heads-up display that projects speed and navigation instruction 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.
If the windows are left open on the Q8 Premium Plus/Prestige 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 can only operate the windows from inside the vehicle, with the ignition on.
A manual rear sunshade is optional in the Q8 and power rear side window sunshades are standard in the Q8 Prestige to help block heat and glare for the rear passengers. The Stelvio doesn’t offer a rear sunshade.
When the Q8 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.
Standard air-conditioned seats in the Q8 Premium Plus/Prestige 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.
To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Audi Q8 offers an optional wireless phone charging system (Qi) in the center console. The Stelvio doesn’t offer wireless personal charging.
The Q8 will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the Q8 will retain 45.57% to 45.71% of its original price after five years, while the Stelvio only retains 40.25% to 42.03%.
J.D. Power and Associates rated the Q8 second among midsize premium suvs in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The Stelvio isn’t in the top three.
The Audi Q8 outsold the Alfa Romeo Stelvio by 25% during the 2019 model year.
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