Compare the2024 BMW X7VS 2023 Subaru Ascent

Safety
Warranty
Reliability
Engine
Fuel Economy and Range
Environmental Friendliness
Transmission
Brakes and Stopping
Tires and Wheels
Suspension and Handling
Chassis
Passenger Space
Cargo Capacity
Towing
Servicing Ease
Ergonomics
Recommendations

Safety

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The X7’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Ascent doesn’t offer pre-crash pretensioners.

For enhanced safety, the middle seat shoulder belts of the BMW X7 are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The Subaru Ascent doesn’t offer height-adjustable middle seat belts.

The BMW X7 has standard driver and front passenger side knee airbags mounted low on the dashboard. These airbags helps prevent the driver and front passenger from sliding under their seatbelts or the main frontal airbags; this keeps them better positioned during a collision for maximum protection. Knee airbags also help keep the legs from striking the dashboard, preventing knee and leg injuries in the case of a serious frontal collision. The Ascent doesn’t offer a front passenger side knee airbag.

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 Ascent 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.

The X7 has a standard blind spot warning system that uses sensors to alert the driver to objects in the vehicle’s blind spots where the side view mirrors don’t reveal them and moves the vehicle back into its lane. Only the Ascent Premium/Limited/Touring offers a blind spot warning system.

To help make backing out of a parking space safer, the X7 has standard Cross Traffic Warning with braking function and automatically engage the brakes. Only the Ascent Premium/Limited/Touring offers Rear Cross Traffic Alert and the Ascent’s Rear Cross Traffic Alert does not include automatic braking.

Both the X7 and the Ascent have standard driver and passenger frontal airbags, front side-impact airbags, driver 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, daytime running lights, lane departure warning systems, rearview cameras and available around view monitors.

The BMW X7 weighs 827 to 1565 pounds more than the Subaru Ascent. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

Warranty

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 Ascent’s 3-year/36,000-mile basic warranty expires 1 year or 14,000 miles sooner.

The X7’s corrosion warranty is 7 years longer than the Ascent’s (12 vs. 5 years).

BMW pays for scheduled maintenance on the X7 for 3 years and 36,000 miles. BMW will pay for oil changes, tire rotations, air filter replacements, cabin filter replacement, brake fluid replacement, inspections, and any other required maintenance. Subaru doesn’t pay scheduled maintenance for the Ascent.

Reliability

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 Ascent’s battery is in the hot engine compartment.

A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the X7’s reliability 13 points higher than the Ascent.

J.D. Power and Associates’ 2022 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that BMW vehicles are more reliable than Subaru vehicles. J.D. Power ranks BMW above average in long-term dependability. With 5 more problems per 100 vehicles in the first three years of ownership, Subaru is rated below average.

From surveys of all its subscribers, Consumer Reports’ January 2023 Auto Issue reports that BMW vehicles are more reliable than Subaru vehicles. Consumer Reports ranks BMW third in overall reliability. Subaru is ranked 7th.

Engine

The X7 xDrive40i’s standard 3.0 turbo 6-cylinder hybrid produces 115 more horsepower (375 vs. 260) and 121 lbs.-ft. more torque (398 vs. 277) than the Ascent’s 2.4 turbo 4-cylinder. The X7 M60i’s standard 4.4 turbo V8 hybrid produces 263 more horsepower (523 vs. 260) and 276 lbs.-ft. more torque (553 vs. 277) than the Ascent’s 2.4 turbo 4-cylinder. The Alpina XB7’s standard 4.4 turbo V8 produces 371 more horsepower (631 vs. 260) and 313 lbs.-ft. more torque (590 vs. 277) than the Ascent’s 2.4 turbo 4-cylinder.

Fuel Economy and Range

On the EPA test cycle the X7 xDrive40i gets better fuel mileage than the Ascent Limited/Touring/Onyx (21 city/25 hwy vs. 19 city/25 hwy).

Regenerative brakes improve the X7’s fuel efficiency by converting inertia back into energy instead of wasting it. The Ascent doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the X7’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. If the conditions warrant or the driver wishes, the system can be manually disabled at any time for the duration of a trip. The Ascent doesn’t offer an automatic engine start/stop system.

The X7 has 2.6 gallons more fuel capacity than the Ascent (21.9 vs. 19.3 gallons), for longer range between fill-ups.

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the BMW X7 higher (5 to 7 out of 10) than the Subaru Ascent (3). This means the X7 produces up to 24.5 pounds less smog-producing pollutants than the Ascent every 15,000 miles.

Transmission

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 Ascent doesn’t offer launch control.

Brakes and Stopping

For better stopping power the X7’s brake rotors are larger than those on the Ascent:

	X7 xDrive40i	X7 M Sport	Ascent
Front Rotors	13.7 inches	15.6 inches	13.1 inches
Rear Rotors	13.6 inches	14.6 inches	13 inches

Tires and Wheels

For better traction, the X7 has larger standard tires than the Ascent (F:275/40R22 & R:315/35R22 vs. 245/60R18). The X7’s tires are larger than the largest tires available on the Ascent (285/45R21 vs. 245/60R18).

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 Ascent’s standard 60 series tires. The X7’s optional 275/35R23 front and 315/30R23 rear tires have a lower 35 series front and 30 series rear profile than the Ascent Onyx/Limited/Touring’s 50 series tires.

For better ride, handling and brake cooling the X7 has standard 21-inch wheels. Smaller 18-inch wheels are standard on the Ascent. The X7’s optional 23-inch wheels are larger than the 20-inch wheels on the Ascent Onyx/Limited/Touring.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available 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 Ascent doesn’t offer run-flat tires.

Suspension and Handling

The X7 offers active sway bars, which help keep it flat and controlled during cornering, but disconnect at lower speeds to smooth the ride and offer greater off-road suspension articulation. This helps keep the tires glued to the road on-road and off. The Ascent doesn’t offer an active sway bar system.

The front and rear suspension of the X7 uses air springs for a smoother, controlled ride than the Ascent, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.

The X7 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 Ascent’s suspension doesn’t offer adjustable shock absorbers.

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 Ascent doesn’t offer a load leveling suspension.

The X7 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 Ascent doesn’t offer variable-assist power steering.

For a smoother ride and more stable handling, the X7’s wheelbase is 8.4 inches longer than on the Ascent (122.2 inches vs. 113.8 inches).

For better handling and stability, the average track (width between the wheels) on the X7 is 2 inches wider in the front and 2.6 inches wider in the rear than the track on the Ascent.

The X7’s front to rear weight distribution is more even (48.3% to 51.7%) than the Ascent’s (54.2% to 45.8%). This gives the X7 more stable handling and braking.

Chassis

The front grille of the X7 uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The Ascent doesn’t offer active grille shutters.

Passenger Space

The X7 has .7 inches more front headroom, .4 inches more third row headroom and 1.6 inches more third row legroom than the Ascent.

Cargo Capacity

The X7’s cargo area provides more volume than the Ascent.

	X7	Ascent
Third Seat Folded	48.6 cubic feet	43.5 cubic feet
Second Seat Folded	90.4 cubic feet	75.6 cubic feet

Pressing a button automatically lowers or raises the X7’s second and third row seats, to make changing between cargo and passengers easier. The Ascent doesn’t offer automatic folding seats.

The X7’s rear cargo window opens separately from the rest of the tailgate door to allow quicker loading of small packages. The Ascent’s rear cargo window doesn’t open.

To make loading groceries and cargo easier when your hands are full, the X7’s tailgate can be opened and closed just by kicking your foot under the back bumper, leaving your hands completely free. The Ascent doesn’t offer a hands-free gesture to open its liftgate, forcing you to put cargo down if your hands are full.

Towing

The X7’s standard towing capacity is much higher than the Ascent’s (5950 vs. 2000 pounds). Maximum trailer towing in the Subaru Ascent is only 5000 pounds. The X7 offers up to a 7500 lbs. towing capacity.

Servicing Ease

The X7 uses gas struts to support the hood for easier service access. The Ascent 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.

J.D. Power and Associates surveys of service recipients show that BMW service is better than Subaru. J.D. Power ranks BMW 7th in service department satisfaction (above the industry average). With a 14% lower rating, Subaru is ranked 16th.

Ergonomics

Unlike the driver-only memory seat in the Ascent Limited/Touring, the X7 has standard driver and 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. The Ascent doesn’t offer an easy entry system.

The X7’s instruments include an oil pressure gauge and a temperature gauge - which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The Ascent does not have an oil pressure gauge.

The X7 has a standard heads-up display that projects speed, tachometer, warning, navigation instruction and driver assistance information readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Ascent doesn’t offer a heads-up display.

The power windows standard on both the X7 and the Ascent have locks to prevent small children from operating them. When the lock on the X7 is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The Ascent prevents the driver from operating the other windows just as it does the other passengers.

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 Ascent’s rear power window switches have to be held the entire time to open or close them fully.

If the windows are left open on the X7 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 lower the windows from a distance using the keyless remote. The driver of the Ascent can only operate the windows from inside the vehicle, with the ignition on.

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 Ascent’s standard manually variable intermittent wipers have to be constantly adjusted.

The X7’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Subaru only offers heated mirrors on the Ascent Premium/Limited/Touring.

When the X7 is put in reverse, the passenger rearview mirror tilts from its original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirror into its original position. The Ascent’s mirror doesn’t automatically adjust for backing.

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. Subaru doesn’t offer heated seats in the third row of the Ascent.

The X7 has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the vehicle heater warms up. A heated steering wheel is only available on the Ascent Onyx/Limited/Touring.

The X7 offers optional massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the Ascent.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the BMW X7 has a standard wireless phone charging system (Qi) in the center console. Wireless charging costs extra on the Ascent.

The X7’s Parking Assistant can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. Remote Control will park and retrieve your car remotely: press a button and watch it park itself. This is ideal for tight locations. The Ascent doesn’t offer an automated parking system.

Recommendations

Consumer Reports® recommends both the BMW X7 and the Subaru Ascent, based on reliability, safety and performance.