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Both the Q7 and the Cullinan have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, four-wheel antilock brakes, all-wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, post-collision automatic braking systems, daytime running lights, lane departure warning systems, rearview cameras, available night vision systems, blind spot warning systems, around view monitors and rear cross-path warning.
For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, and with its optional front crash prevention system, the Insurance Institute for Highway Safety grants the Q7 the rating of “Top Pick” for 2017, a rating granted to only 185 vehicles tested by the IIHS. The Cullinan has not been tested, yet.
The Q7’s corrosion warranty is 8 years longer than the Cullinan’s (12 vs. 4 years).
There are over 8 times as many Audi dealers as there are Rolls-Royce dealers, which makes it much easier should you ever need service under the Q7’s warranty.
On the EPA test cycle the Q7 55 TFSI gets better fuel mileage than the Cullinan (17 city/21 hwy vs. 12 city/20 hwy).
On the EPA test cycle the Q7 45 TFSI gets better fuel mileage than the Cullinan with its standard engine (19 city/25 hwy vs. 12 city/20 hwy).
Regenerative brakes improve the Q7 55 TFSI’s fuel efficiency by converting inertia back into energy instead of wasting it. The Cullinan doesn’t offer a regenerative braking system.
In heavy traffic or at stoplights the Q7’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The Cullinan doesn’t offer an automatic engine start/stop system.
The Q7 45 TFSI’s standard fuel tank has 19.8 gallons more fuel capacity than the Cullinan (19.8 vs. gallons), for longer range between fill-ups. The Q7 55 TFSI’s standard fuel tank has 22.5 gallons more fuel capacity than the Cullinan (22.5 vs. gallons).
For more complete vehicle control the Q7 has a manually controlled automatic, with the available convenience of an automatic transmission and the complete gear control of a manual transmission without the inconvenience of a clutch. A manually controlled automatic allows the driver to eliminate unwanted shifts and maximize engine braking by down shifting while cornering. The Cullinan doesn’t offer a transmission that allows complete gear control.
For better traction, the Q7’s optional tires are larger than the largest tires available on the Cullinan (285/45R20 vs. 255/50R21).
The Q7 Prestige’s optional tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the Cullinan’s optional 45 series tires.
For better maneuverability, the Q7’s turning circle is 2.4 feet tighter than the Cullinan’s (41 feet vs. 43.4 feet).
The Audi Q7 may be more efficient, handle and accelerate better because it weighs about 1000 to 1300 pounds less than the Rolls-Royce Cullinan.
The Q7 is 11 inches shorter than the Cullinan, making the Q7 easier to handle, maneuver and park in tight spaces.
For excellent aerodynamics, the Q7 has standard flush composite headlights. The Cullinan has recessed headlights that spoil its aerodynamic shape and create extra drag.
The Q7 has standard seating for 7 passengers; the Cullinan can only carry up to 5.
The Q7’s cargo area provides more volume than the Cullinan.
Second Seat Folded
71.6 cubic feet
68.2 cubic feet
The Q7’s standard rear seats fold to accommodate long and bulky cargo. The Cullinan w/Executive Rear Seats doesn’t offer folding rear seats.
The Q7’s liftgate lifts up in one piece, completely out of the way of loading and unloading, while sheltering the cargo loading area. The Cullinan’s tailgate’s top part raises up, but the bottom part lowers, getting in the way of loading and making an uneven surface for sliding cargo.
To make loading groceries and cargo easier when your hands are full, the Q7’s liftgate can be opened and closed just by waving your foot, leaving your hands completely free. The Cullinan doesn’t offer a hands-free gesture to open its tailgate, forcing you to put cargo down if your hands are full.
The Q7 has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The Cullinan doesn’t offer a remote starting system.
The Q7’s front and rear power windows all open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The Cullinan’s rear power window switches have to be held the entire time to close them fully.
In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The Q7 Prestige has standard headlight washers to keep headlight output high. The Cullinan doesn’t offer headlight washers.
To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the Q7 has standard extendable sun visors. The Cullinan doesn’t offer extendable visors.
A manual rear sunshade and rear side window sunshades are optional in the Q7 (except Premium) to help block heat and glare for the rear passengers. The Cullinan doesn’t offer a rear sunshade.
Consumer Reports® recommends the Audi Q7, based on reliability, safety and performance.
The Q7 was chosen as one of Car and Driver’s “Top Five/10Best Trucks” for 3 of the last 4 years. The Cullinan has never been a Car and Driver “Top Five/10Best Truck” pick.
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