2019 BMW X6 vs. 2019 Buick Envision

Detailed Review, Specifications & Comparison

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Safety

The X6’s optional pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Envision doesn’t offer pre-crash pretensioners.

The X6 has standard Active Head Restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Active Head Restraints system moves the headrests forward to prevent neck and spine injuries. The Envision doesn’t offer a whiplash protection system.

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

The X6’s optional 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 Envision doesn’t offer a driver alert monitor.

Both the X6 and the Envision 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, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available all wheel drive and around view monitors.

The BMW X6 weighs 502 to 1325 pounds more than the Buick Envision. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

Warranty

The X6’s corrosion warranty is 6 years longer than the Envision’s (12 vs. 6 years).

BMW pays for scheduled maintenance on the X6 for 1 year and 12000 miles longer than Buick pays for maintenance for the Envision (3/36,000 vs. 2/24,000).

Reliability

The battery on the X6 is in the trunk, which protects it from hot underhood temperatures that can degrade battery life. By keeping the X6’s battery 20 to 30 degrees cooler, its life is increased by years. The Envision’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 Buick vehicles. J.D. Power ranks BMW 11th in initial quality, above the industry average. With 8 more problems per 100 vehicles, Buick is ranked 16th, below the industry average.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that BMW vehicles are more reliable than Buick vehicles. Consumer Reports ranks BMW 11 places higher in reliability than Buick.

Engine

The X6 s/xDrive35i’s standard 3.0 turbo 6 cyl. produces 105 more horsepower (302 vs. 197) and 103 lbs.-ft. more torque (295 vs. 192) than the Envision’s standard 2.5 DOHC 4 cyl. The X6 s/xDrive35i’s 3.0 turbo 6 cyl. produces 50 more horsepower (302 vs. 252) than the Envision Premium’s standard 2.0 turbo 4 cyl. The X6 xDrive50i’s standard 4.4 turbo V8 produces 193 more horsepower (445 vs. 252) and 184 lbs.-ft. more torque (479 vs. 295) than the Envision Premium’s standard 2.0 turbo 4 cyl.

Fuel Economy and Range

Regenerative brakes improve the X6’s fuel efficiency by converting inertia back into energy instead of wasting it. The Envision doesn’t offer a regenerative braking system.

The X6 has 5.1 gallons more fuel capacity than the Envision (22.4 vs. 17.3 gallons), for longer range between fill-ups.

Transmission

The X6’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 Envision doesn’t offer launch control.

Brakes and Stopping

For better stopping power the X6’s brake rotors are larger than those on the Envision:

 

X6 s/xDrive35i

X6 xDrive50i

Envision

Front Rotors

13.7 inches

14.4 inches

12.6 inches

Rear Rotors

12.6 inches

13.6 inches

12.4 inches

The X6’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the Envision are solid, not vented.

The X6 stops much shorter than the Envision:

 

X6

Envision

 

60 to 0 MPH

105 feet

127 feet

Motor Trend

Tires and Wheels

For better traction, the X6 has larger standard tires than the Envision (255/50R19 vs. 225/60R18). The X6’s optional tires are larger than the largest tires available on the Envision (F:275/40R20 & R:315/35R20 vs. 235/50R19).

The X6’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 Envision’s standard 60 series tires. The X6 xDrive50i’s optional 275/35R21 front and 315/30R21 rear tires have a lower 35 series front and 30 series rear profile than the Envision Premium’s 50 series tires.

For better ride, handling and brake cooling the X6 has standard 19-inch wheels. Smaller 18-inch wheels are standard on the Envision. The X6 xDrive50i’s optional 21-inch wheels are larger than the 19-inch wheels on the Envision Premium.

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

Suspension and Handling

The X6 offers an available adjustable active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Buick doesn’t offer an active suspension on the Envision.

The X6 offers an optional 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 Envision’s suspension doesn’t offer adjustable shock absorbers.

The X6 offers an optional automatic rear load leveling suspension to keep ride height level with a heavy load or when towing. The Envision doesn’t offer a load leveling suspension.

The X6 has vehicle speed sensitive variable-assist power steering, for low-effort parking, better control at highway speeds and during hard cornering, and a better feel of the road. The Envision doesn’t offer variable-assist power steering.

For a smoother ride and more stable handling, the X6’s wheelbase is 7.2 inches longer than on the Envision (115.5 inches vs. 108.3 inches).

For better handling and stability, the track (width between the wheels) on the X6 is 2.6 inches wider in the front and 5.2 inches wider in the rear than on the Envision.

The X6 xDrive35i handles at .88 G’s, while the Envision Premium pulls only .81 G’s of cornering force in a Motor Trend skidpad test.

The X6 xDrive35i executes Motor Trend’s “Figure Eight” maneuver 1.4 seconds quicker than the Envision Premium (26.1 seconds @ .71 average G’s vs. 27.5 seconds @ .63 average G’s).

Passenger Space

The X6 has 3.5 inches more front shoulder room and 2.1 inches more rear shoulder room than the Envision.

Cargo Capacity

The X6 has a larger cargo area with its rear seat folded than the Envision with its rear seat folded (59.7 vs. 57.3 cubic feet).

A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the X6. The Envision doesn’t offer locking storage for small valuables.

Towing

The X6’s standard towing capacity is much higher than the Envision’s (6000 vs. 1500 pounds).

Servicing Ease

The engine in the X6 is mounted longitudinally (North-South), instead of sideways, as in the Envision. This makes it easier to service and maintain, because the accessory belts are in front.

J.D. Power and Associates surveys of service recipients show that BMW service is better than Buick. J.D. Power ranks BMW 8th in service department satisfaction (above the industry average). With a 7% lower rating, Buick is ranked 9th.

Ergonomics

Unlike the driver-only memory system in the Envision Essence/Premium, the X6 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 X6’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 Envision’s passenger windows don’t close automatically.

If the windows are left open on the X6 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 also lower the windows the same way. The driver of the Envision can only operate the windows from inside the vehicle, with the ignition on.

The X6 has a standard locking fuel door with a remote release located convenient to the driver. A locking fuel door helps prevent vandalism, such as sugar in the tank and fuel theft. The Envision doesn’t offer a locking fuel door.

The X6’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 Envision’s standard manually variable intermittent wipers have to be constantly adjusted.

Heated windshield washer nozzles are standard on the X6 to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The Envision doesn’t offer heated windshield washer nozzles.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The X6 offers available headlight washers to keep headlight output high. The Envision doesn’t offer headlight washers.

To help drivers avoid possible obstacles, the X6 has standard cornering lights to illuminate around corners when the turn signals are activated. The Envision doesn’t offer cornering lights. The X6 also has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

Economic Advantages

Insurance will cost less for the X6 owner. The Car Book by Jack Gillis rates the X6 with a number “1” insurance rate while the Envision is rated higher at a number “8” rate.

According to The Car Book by Jack Gillis, the X6 is less expensive to operate than the Envision because it costs $63 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the X6 than the Envision, including $275 less for front struts.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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