Compare the2023 Rolls-Royce CullinanVS 2023 BMW X6 M

Both the Cullinan and X6 M have child safety locks to prevent children from opening the rear doors. The Cullinan 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 X6 M’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.

A passive infrared night vision system optional on the Cullinan 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 X6 M doesn’t offer a night vision system.

Both the Cullinan and the X6 M have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front seatbelt pretensioners, 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, blind spot warning systems, around view monitors, rear cross-path warning and driver alert monitors.

The Rolls-Royce Cullinan weighs 926 to 939 pounds more than the BMW X6 M. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

The Cullinan comes with a full 4-year/unlimited-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The X6 M’s 4-year/50,000-mile basic warranty expires sooner.

Rolls-Royce pays for scheduled maintenance on the Cullinan for 1 year and -36,000 miles longer than BMW pays for maintenance for the X6 M (4/unlimited vs. 3/36,000).

The Cullinan’s standard 6.8 turbo V12 produces 74 lbs.-ft. more torque (627 vs. 553) than the X6 M’s standard 4.4 turbo V8. The Cullinan’s 6.8 turbo V12 produces 74 lbs.-ft. more torque (627 vs. 553) than the X6 M’s standard 4.4 turbo V8. The Cullinan Black Badge’s standard 6.8 turbo V12 produces 111 lbs.-ft. more torque (664 vs. 553) than the X6 M’s standard 4.4 turbo V8.

The Cullinan has 1.9 gallons more fuel capacity than the X6 M (23.8 vs. 21.9 gallons), for longer range between fill-ups.

For better ride, handling and brake cooling the Cullinan offers optional 22-inch wheels. The X6 M’s largest wheels are only 21-inches in the front and 22-inches in the rear.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the Cullinan can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The X6 M doesn’t offer run-flat tires.

The front and rear suspension of the Cullinan uses air springs for a smoother, controlled ride than the X6 M, which uses coil springs in front. Air springs maintain proper ride height and ride more smoothly.

For a smoother ride and more stable handling, the Cullinan’s wheelbase is 12.7 inches longer than on the X6 M (129.7 inches vs. 117 inches).

The Cullinan has 1.8 inches more front headroom, 2.3 inches more rear headroom and 7.2 inches more rear legroom than the X6 M.

For enhanced passenger comfort on long trips the Cullinan’s rear seats recline. The X6 M’s rear seats don’t recline.

Flexibility is maximized at the game, campground or a drive-in theatre in the Cullinan when its optional tailgating rear seats are deployed, allowing people to sit facing out of the tailgate. (Do not use while vehicle is in motion.) The X6 M doesn’t offer tailgating seats.

The Cullinan has a larger cargo volume with its rear seat folded than the X6 M with its rear seat folded (68.2 vs. 59.6 cubic feet).

The Cullinan’s rear cargo window opens separately from the rest of the tailgate door to allow quicker loading of small packages. The X6 M’s rear cargo window doesn’t open.

To improve rear visibility by keeping the rear window clear, the Cullinan has a standard rear wiper. The X6 M doesn’t offer a rear wiper.

Optional air conditioned front and rear seats keep the Cullinan’s passengers comfortable and take the sting out of hot leather in summer. The X6 M doesn’t offer air-conditioned seats in the rear.

The Cullinan has standard massaging front seats. Massaging front seats cost extra on the X6 M. The Cullinan also offers optional massaging rear seats in order to maximize comfort and eliminate fatigue on long trips. Massaging rear seats aren’t available in the X6 M.