Compare the2023 BMW X3VS 2022 GMC Terrain

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

Safety

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The X3’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Terrain doesn’t offer pre-crash pretensioners.

The BMW X3 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 Terrain doesn’t offer knee airbags.

The X3 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 Terrain doesn’t offer a whiplash protection system.

The X3 has a standard PostCrash iBrake, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Terrain 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.

Over 200 people are killed each year when backed over by motor vehicles. The X3 offers optional Active Park Distance Control that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The Terrain doesn’t offer backup collision prevention brakes.

The X3 has a standard blind spot warning system which 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. A system to reveal vehicles in the Terrain’s blind spot costs extra.

To help make backing out of a parking space safer, the X3 has a standard rear cross-path warning system, which uses sensors in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. Rear cross-path warning costs extra on the Terrain.

The X3’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 Terrain doesn’t offer a driver alert monitor.

Both the X3 and the Terrain have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras, available all wheel drive and around view monitors.

The BMW X3 weighs 420 to 943 pounds more than the GMC Terrain. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the BMW X3 is safer than the GMC Terrain:

	X3	Terrain
	Driver
STARS	5 Stars	5 Stars
HIC	102	159
Leg Forces (l/r)	116/280 lbs.	363/349 lbs.
	Passenger
STARS	5 Stars	5 Stars
HIC	176	376
Chest Compression	.6 inches	.6 inches
Neck Stress	139 lbs.	153 lbs.
Leg Forces (l/r)	183/114 lbs.	264/236 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

The National Highway Traffic Safety Administration does side impact tests on new vehicles. In this test, which crashes the vehicle into a flat barrier at 38.5 MPH and into a post at 20 MPH, results indicate that the BMW X3 is safer than the GMC Terrain:

	X3	Terrain
	Front Seat
STARS	5 Stars	5 Stars
HIC	64	109
Chest Movement	.5 inches	1.1 inches
Abdominal Force	153 lbs.	195 lbs.
Hip Force	275 lbs.	357 lbs.
	Rear Seat
STARS	5 Stars	5 Stars
HIC	133	288
Spine Acceleration	45 G’s	55 G’s
	Into Pole
STARS	5 Stars	5 Stars
HIC	281	377
Hip Force	624 lbs.	730 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

For its top level performance in IIHS driver and passenger-side small overlap frontal, moderate overlap frontal, side impact, roof strength and head restraint tests, its standard front crash prevention system, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the X3 its highest rating: “Top Safety Pick Plus” for 2019, a rating granted to only 122 vehicles tested by the IIHS. The Terrain was last qualified as only a standard “Top Safety Pick” in 2017.

Warranty

The X3 comes with a full 4-year/50,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The Terrain’s 3-year/36,000-mile basic warranty expires 1 year or 14,000 miles sooner.

The X3’s corrosion warranty is 6 years and unlimited miles longer than the Terrain’s (12/unlimited vs. 6/100,000).

BMW pays for scheduled maintenance on the X3 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 Terrain.

Reliability

J.D. Power and Associates rated the X3 first among compact premium suvs in their 2022 Initial Quality Study. The Terrain was rated third in its category.

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 GMC 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, GMC is rated lower.

From surveys of all its subscribers, Consumer Reports’ January 2021 Auto Issue reports that BMW vehicles are more reliable than GMC vehicles. Consumer Reports ranks BMW 4 places higher in reliability than GMC.

Engine

The X3 s/xDrive30i’s standard 2.0 turbo 4-cylinder produces 78 more horsepower (248 vs. 170) and 55 lbs.-ft. more torque (258 vs. 203) than the Terrain’s 1.5 turbo 4-cylinder. The X3 M40i’s standard 3.0 turbo 6-cylinder hybrid produces 212 more horsepower (382 vs. 170) and 166 lbs.-ft. more torque (369 vs. 203) than the Terrain’s 1.5 turbo 4-cylinder.

Fuel Economy and Range

Regenerative brakes improve the X3’s fuel efficiency by converting inertia back into energy instead of wasting it. The Terrain doesn’t offer a regenerative braking system.

The X3 has 2.3 gallons more fuel capacity than the Terrain FWD’s standard fuel tank (17.2 vs. 14.9 gallons), for longer range between fill-ups. The X3 has 1.6 gallons more fuel capacity than the Terrain AWD’s standard fuel tank (17.2 vs. 15.6 gallons).

Transmission

The X3 M40i’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 Terrain doesn’t offer launch control.

Brakes and Stopping

For better stopping power the X3’s brake rotors are larger than those on the Terrain:

	X3	X3 M40i	Terrain
Front Rotors	13 inches	13.7 inches	11.8 inches
Rear Rotors	13 inches	13.5 inches	11.3 inches

The X3’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the Terrain are solid, not vented.

Tires and Wheels

For better traction, the X3 has larger standard tires than the Terrain (245/50R19 vs. 225/65R17). The X3’s optional tires are larger than the largest tires available on the Terrain (F:245/45R20 & R:275/40R20 vs. 235/50R19).

The X3’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 Terrain SLE/AT4’s standard 65 series tires. The X3’s optional 245/40R21 front and 275/35R21 rear tires have a lower 40 series front and 35 series rear profile than the Terrain’s optional 50 series tires.

For better ride, handling and brake cooling the X3 has standard 19-inch wheels. Smaller 17-inch wheels are standard on the Terrain SLE/AT4. The X3’s optional 21-inch wheels are larger than the 19-inch wheels optional on the Terrain.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the X3 can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The Terrain doesn’t offer run-flat tires.

Suspension and Handling

The X3 has standard front and rear stabilizer bars, which help keep the X3 flat and controlled during cornering. The Terrain’s suspension doesn’t offer a rear stabilizer bar.

The X3 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 Terrain’s suspension doesn’t offer adjustable shock absorbers.

For a smoother ride and more stable handling, the X3’s wheelbase is 5.5 inches longer than on the Terrain (112.8 inches vs. 107.3 inches).

For better handling and stability, the average track (width between the wheels) on the X3 is 1.2 inches wider in the front and 1.5 inches wider in the rear than the track on the Terrain.

The X3 M40i xDrive handles at .85 G’s, while the Terrain Denali AWD pulls only .79 G’s of cornering force in a Motor Trend skidpad test.

The X3 M40i xDrive executes Motor Trend’s “Figure Eight” maneuver 1.6 seconds quicker than the Terrain Denali AWD (25.9 seconds @ .72 average G’s vs. 27.5 seconds @ .64 average G’s).

For greater off-road capability the X3 has a 1.1 inches greater minimum ground clearance than the Terrain SLE (8 vs. 6.9 inches), allowing the X3 to travel over rougher terrain without being stopped or damaged. The X3’s minimum ground clearance is .1 inch higher than on the Terrain SLT SLT/AT4/Denali (8 vs. 7.9 inches).

Passenger Space

The X3 has 1.1 inches more front headroom, .4 inches more front shoulder room, .6 inches more rear headroom and .4 inches more rear shoulder room than the Terrain.

Cargo Capacity

A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the X3. The Terrain doesn’t offer locking storage for small valuables.

Towing

The X3’s standard towing capacity is much higher than the Terrain’s (4400 vs. 1500 pounds).

Servicing Ease

The X3 uses gas struts to support the hood for easier service access. The Terrain 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.

The engine in the X3 is mounted longitudinally (North-South), instead of sideways, as in the Terrain. 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 GMC. J.D. Power ranks BMW 7th in service department satisfaction (above the industry average). With a 13% lower rating, GMC is ranked 15th.

Ergonomics

The X3’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 Terrain’s passenger windows don’t close automatically.

If the windows are left open on the X3 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 or with the driver’s door power window switch. The driver of the Terrain can only close the windows from inside the vehicle, with the ignition on.

The X3 has a standard locking fuel door with a remote release located convenient to the driver. A locking fuel door helps prevent fuel theft and vandalism, such as sugar in the tank. The Terrain doesn’t offer a locking fuel door.

The X3’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 Terrain’s manually variable intermittent wipers have to be constantly adjusted.

The Insurance Institute for Highway Safety (IIHS) conducts detailed tests on headlights for their range both straight ahead and in curves and to be certain they don’t exceed acceptable amounts of glare to oncoming drivers. The X3’s available headlights were rated “Good” by the IIHS, while the Terrain’s headlights are rated “Poor.”

To help drivers avoid possible obstacles, the X3 offers optional cornering lights to illuminate around corners when the turn signals are activated. The Terrain doesn’t offer cornering lights. The X3 also has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

The X3 has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning costs extra on the Terrain.

The X3’s optional Parking Assistant Plus can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The Terrain Denali’s automatic parking system requires operating the brakes and transmission to safely park.

Economic Advantages

Insurance will cost less for the X3 owner. The Car Book by Jack Gillis rates the X3 with a number “5” insurance rate while the Terrain is rated higher at a number “10” rate.

According to The Car Book by Jack Gillis, the X3 is less expensive to operate than the Terrain because it costs $37 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost less on the X3 than the Terrain, including $68 less for front brake pads and $149 less for a fuel pump.

Recommendations

Consumer Reports® recommends the BMW X3, based on reliability, safety and performance. The GMC Terrain isn't recommended.

The BMW X3 outsold the GMC Terrain by 13% during the 2021 model year.

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