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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 Passport doesn’t offer pre-crash pretensioners.
Both the Q8 and Passport 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 Passport’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 Passport 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 Passport.
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 Passport 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 Passport 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 Passport have standard driver and passenger frontal airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, 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 Passport’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 Passport’s (12 vs. 5 years).
A hardened steel chain, with no maintenance needs, drives the camshafts in the Q8’s engine. A rubber belt that needs periodic replacement drives the Passport’s camshafts. If the Passport’s cam drive belt breaks the engine could be severely damaged when the pistons hit the opened valves.
From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Audi vehicles are more reliable than Honda vehicles. Consumer Reports ranks Audi 8 places higher in reliability than Honda.
The Q8’s 3.0 turbo V6 hybrid produces 55 more horsepower (335 vs. 280) and 107 lbs.-ft. more torque (369 vs. 262) than the Passport’s 3.5 SOHC V6.
Regenerative brakes improve the Q8’s fuel efficiency by converting inertia back into energy instead of wasting it. The Passport doesn’t offer a regenerative braking system.
The Q8’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the Passport are solid, not vented.
For better traction, the Q8 has larger standard tires than the Passport (275/50R20 vs. 245/50R20). The Q8’s optional tires are larger than the largest tires available on the Passport (285/45R21 vs. 265/45R20).
The Q8’s optional tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the Passport Touring/Elite’s 45 series tires.
For better ride, handling and brake cooling the Q8 offers optional 22-inch wheels. The Passport’s largest wheels are only 20-inches.
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 Passport’s suspension doesn’t offer adjustable shock absorbers.
For a smoother ride and more stable handling, the Q8’s wheelbase is 6.9 inches longer than on the Passport (117.9 inches vs. 111 inches).
The Q8’s standard towing capacity is much higher than the Passport’s (7700 vs. 3500 pounds).
The Q8 uses gas struts to support the hood for easier service access. The Passport uses a prop rod to support its heavy hood. It takes two hands to open the hood and set the prop rod, the prop rod gets in the way during maintenance and service, and the prop rod could be knocked out, causing the heavy hood to fall on the person maintaining or servicing the car.
The engine in the Q8 is mounted longitudinally (North-South), instead of sideways, as in the Passport. This makes it easier to service and maintain, because there are no rear spark plugs and the accessory belts are in front.
J.D. Power and Associates surveys of service recipients show that Audi service is better than Honda. J.D. Power ranks Audi third in service department satisfaction. With a 62% lower rating, Honda is ranked 25th.
Unlike the driver-only memory seat and mirrors in the Passport EX-L/Touring/Elite, 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 Passport doesn’t offer a heads-up display.
The power windows standard on both the Q8 and the Passport have locks to prevent small children from operating them. When the lock on the Q8 is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The Passport prevents the driver from operating the other windows just as it does the other passengers.
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 Passport’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 Passport doesn’t offer a rear sunshade.
The Q8’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Honda only offers heated mirrors on the Passport EX-L/Touring/Elite.
The Q8’s power mirror controls are mounted on the armrest for easy access. The Passport’s power mirror controls are on the dash, hidden behind the steering wheel, where they are awkward to manipulate.
© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.
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