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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 Jeep Grand Cherokee 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 Grand Cherokee doesn’t offer pre-crash pretensioners.
Both the Q8 and Grand Cherokee 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 Grand Cherokee’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 Grand Cherokee 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 Grand Cherokee.
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 Grand Cherokee 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 Grand Cherokee 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 Q8 and the Grand Cherokee 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, rearview cameras, available lane departure warning systems, blind spot warning systems and rear cross-path warning.
The Q8 comes with a full 4-year/50,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The Grand Cherokee’s 3-year/36,000-mile basic warranty expires 1 year and 14,000 miles sooner.
The Q8’s corrosion warranty is 7 years longer than the Grand Cherokee’s (12 vs. 5 years).
For smoother operation, better efficiency and fewer moving parts, the Q8 has an overhead cam design, rather than the old pushrod design of the 5.7 V8 in the Grand Cherokee.
J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Audi vehicles are more reliable than Jeep vehicles. J.D. Power ranks Audi 13th in reliability, above the industry average. With 47 more problems per 100 vehicles, Jeep is ranked 28th.
From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Audi vehicles are more reliable than Jeep vehicles. Consumer Reports ranks Audi 15 places higher in reliability than Jeep.
The Q8’s 3.0 turbo V6 hybrid produces 40 more horsepower (335 vs. 295) and 109 lbs.-ft. more torque (369 vs. 260) than the Grand Cherokee’s standard 3.6 DOHC V6.
On the EPA test cycle the Q8 gets better fuel mileage than the Grand Cherokee V8 (17 city/22 hwy vs. 14 city/22 hwy).
Regenerative brakes improve the Q8’s fuel efficiency by converting inertia back into energy instead of wasting it. The Grand Cherokee doesn’t offer a regenerative braking system.
For better stopping power the Q8’s brake rotors are larger than those on the Grand Cherokee:
Grand Cherokee V6
Grand Cherokee V8/Diesel
The Q8’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs standard on the Grand Cherokee V6 are solid, not vented.
For better traction, the Q8 has larger standard tires than the Grand Cherokee (275/50R20 vs. 245/70R17). The Q8’s optional tires are larger than the largest tires available on the Grand Cherokee (285/45R21 vs. 265/50R20).
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 Grand Cherokee Laredo’s standard 70 series tires. The Q8’s optional tires have a lower 40 series profile than the Grand Cherokee’s optional 50 series tires.
For better ride, handling and brake cooling the Q8 has standard 20-inch wheels. Smaller 17-inch wheels are standard on the Grand Cherokee Laredo. The Q8’s optional 22-inch wheels are larger than the 20-inch wheels optional on the Grand Cherokee.
The Q8 has a standard driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads or off-road. The Grand Cherokee’s suspension doesn’t offer adjustable shock absorbers.
For a smoother ride and more stable handling, the Q8’s wheelbase is 3.2 inches longer than on the Grand Cherokee (117.9 inches vs. 114.7 inches).
For better handling and stability, the track (width between the wheels) on the Q8 is 2.2 inches wider in the front and 2.7 inches wider in the rear than on the Grand Cherokee.
The design of the Audi Q8 amounts to more than styling. The Q8 has an aerodynamic coefficient of drag of .35 Cd. That is lower than the Grand Cherokee (.371). A more efficient exterior helps keep the interior quieter and helps the Q8 get better fuel mileage.
The Q8 has 1.4 inches more front legroom, .8 inches more front shoulder room, 1.6 inches more rear legroom and .5 inches more rear shoulder room than the Grand Cherokee.
To make loading groceries and cargo easier when your hands are full, the Q8 Premium Plus/Prestige’s liftgate can be opened and closed just by kicking your foot under the back bumper, leaving your hands completely free. The Grand Cherokee doesn’t offer a hands-free gesture to open its liftgate, forcing you to put cargo down if your hands are full.
The Q8’s standard towing capacity is much higher than the Grand Cherokee’s (7700 vs. 6200 pounds).
J.D. Power and Associates surveys of service recipients show that Audi service is better than Jeep. J.D. Power ranks Audi third in service department satisfaction. With a 87% lower rating, Jeep is ranked 28th.
Unlike the driver-only memory system in the Grand Cherokee Limited/Trailhawk/Overland/Summit, 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 readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Grand Cherokee doesn’t offer a heads-up display.
The Q8’s front and rear power windows all open or close fully with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The Grand Cherokee’s rear power window switches have to be held the entire time to open or close them fully.
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 Grand Cherokee can only operate the windows from inside the vehicle, with the ignition on.
The Q8’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The Grand Cherokee’s standard manually variable intermittent wipers have to be constantly adjusted.
A manual rear sunshade is optional in the Q8 to help block heat and glare for the rear passengers. The Grand Cherokee doesn’t offer a rear sunshade.
© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.
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