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The X7 has standard Post-Crash Braking, which automatically apply the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Acadia 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 X7. But it costs extra on the Acadia.
The X7’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Acadia doesn’t offer a driver alert monitor.
Both the X7 and the Acadia have standard driver and passenger frontal airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras and available around view monitors.
The BMW X7 weighs 979 to 1661 pounds more than the GMC Acadia. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.
The X7 comes with a full 4-year/50,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The Acadia’s 3-year/36,000-mile basic warranty expires 1 year and 14,000 miles sooner.
The X7’s corrosion warranty is 6 years and unlimited miles longer than the Acadia’s (12/unlimited vs. 6/100,000).
BMW pays for scheduled maintenance on the X7 for 3 years and 36,000 miles. BMW will pay for oil changes, lubrication and any other required maintenance. GMC only pays for the first scheduled maintenance visit on the Acadia.
The battery on the X7 is in the trunk, which protects it from hot underhood temperatures that can degrade battery life. By keeping the X7’s battery 20 to 30 degrees cooler, its life is increased by years. The Acadia’s battery is in the hot engine compartment.
J.D. Power and Associates’ 2018 Initial Quality Study of new car owners surveyed provide the statistics that show that BMW vehicles are better in initial quality than GMC vehicles. J.D. Power ranks BMW 11th in initial quality, above the industry average. With 12 more problems per 100 vehicles, GMC is ranked 20th, below the industry average.
J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that BMW vehicles are more reliable than GMC vehicles. J.D. Power ranks BMW 7th in reliability, above the industry average. With 39 more problems per 100 vehicles, GMC is ranked 22nd.
From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that BMW vehicles are more reliable than GMC vehicles. Consumer Reports ranks BMW 17 places higher in reliability than GMC.
The X7 xDrive40i’s standard 3.0 turbo 6 cyl. produces 142 more horsepower (335 vs. 193) and 142 lbs.-ft. more torque (330 vs. 188) than the Acadia’s standard 2.5 DOHC 4 cyl. The X7 xDrive40i’s 3.0 turbo 6 cyl. produces 25 more horsepower (335 vs. 310) and 59 lbs.-ft. more torque (330 vs. 271) than the Acadia’s optional 3.6 DOHC V6. The X7 xDrive50i’s standard 4.4 turbo V8 produces 146 more horsepower (456 vs. 310) and 208 lbs.-ft. more torque (479 vs. 271) than the Acadia’s optional 3.6 DOHC V6.
On the EPA test cycle the X7 xDrive40i gets better fuel mileage than the Acadia AWD V6 (20 city/25 hwy vs. 17 city/25 hwy).
Regenerative brakes improve the X7’s fuel efficiency by converting inertia back into energy instead of wasting it. The Acadia doesn’t offer a regenerative braking system.
Regardless of its engine, the X7’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) GMC only offers an automatic engine start/stop system on the Acadia 4 cyl.
The X7 has 2.5 gallons more fuel capacity than the Acadia FWD’s standard fuel tank (21.9 vs. 19.4 gallons), for longer range between fill-ups.
An eight-speed automatic is standard on the BMW X7, for better acceleration and lower engine speed on the highway. Only a six-speed automatic is available for the Acadia.
The X7’s launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The Acadia doesn’t offer launch control.
For better stopping power the X7’s brake rotors are larger than those on the Acadia:
X7 M Sport
For better traction, the X7 has larger standard tires than the Acadia (285/45R21 vs. 235/65R18). The X7’s optional tires are larger than the largest tires available on the Acadia (F:275/40R22 & R:315/35R22 vs. 255/65R17).
The X7’s standard tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the Acadia’s standard 65 series tires. The X7’s optional 275/40R22 front and 315/35R22 rear tires have a lower 40 series front and 35 series rear profile than the Acadia’s optional 55 series tires.
For better ride, handling and brake cooling the X7 has standard 21-inch wheels. Smaller 17-inch wheels are standard on the Acadia. The X7’s optional 22-inch wheels are larger than the 20-inch wheels optional on the Acadia.
Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the X7 can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The Acadia doesn’t offer run-flat tires.
The front and rear suspension of the X7 uses air springs for a smoother, controlled ride than the Acadia, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.
The X7 has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The X7’s height leveling suspension allows the driver to raise ride height for better off-road clearance and then lower it again for easier entering and exiting and better on-road handling. The Acadia doesn’t offer a load leveling suspension.
For a smoother ride and more stable handling, the X7’s wheelbase is 9.7 inches longer than on the Acadia (122.2 inches vs. 112.5 inches).
For better handling and stability, the track (width between the wheels) on the X7 is 1.8 inches wider in the front and 2.6 inches wider in the rear than on the Acadia.
For greater off-road capability the X7 has a 1.5 inches greater minimum ground clearance than the Acadia (8.7 vs. 7.2 inches), allowing the X7 to travel over rougher terrain without being stopped or damaged. The X7’s minimum ground clearance is .9 inch higher than on the Acadia All Terrain (8.7 vs. 7.8 inches).
The X7 has 1.6 inches more front headroom, .6 inches more front shoulder room and 2.2 inches more third row legroom than the Acadia.
The X7’s cargo area provides more volume than the Acadia.
Third Seat Folded
48.6 cubic feet
41.7 cubic feet
Second Seat Folded
90.4 cubic feet
79 cubic feet
Both the X7 and the Acadia have standard second row automatic folding seats. The X7’s third row seats also fold up or down at the press of a button. The Acadia doesn’t offer automatic folding third row seats.
A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the X7. The Acadia doesn’t offer locking storage for small valuables.
The X7’s rear cargo window opens separately from the rest of the tailgate door to allow quicker loading of small packages. The Acadia’s rear cargo window doesn’t open.
The X7’s standard towing capacity is much higher than the Acadia’s (7500 vs. 1000 pounds).
The engine in the X7 is mounted longitudinally (North-South), instead of sideways, as in the Acadia. 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 BMW service is better than GMC. J.D. Power ranks BMW 8th in service department satisfaction (above the industry average). With a 14% lower rating, GMC is ranked 13th.
Unlike the driver-only memory seat and mirrors optional at extra cost in the Acadia (except SL/SLE), the X7 offers an optional passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position, outside mirror angle, climate settings and radio stations and the front passenger seat also adjusts to the new passenger’s preset preferences.
The X7’s standard easy entry system raises the steering wheel, making it easier for the driver to get in and out. An easy entry system costs extra on the Acadia, and is not available on all models.
The X7 offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Acadia doesn’t offer a heads-up display.
The X7’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 Acadia’s standard power window switches have to be held the entire time to close them fully. Only its front windows open automatically. The Acadia’s optional windows’ passenger windows don’t close automatically.
The X7’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 Acadia’s intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.
The X7 has standard heated front and optional heated second and third row seats, which keep the driver and passengers extremely comfortable in the winter. The Acadia doesn’t offer a third-row heated seat.
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