Compare the2024 BMW X3VS 2024 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 an optional Active Park Distance Control that uses rear sensors to monitor for objects to the rear and automatically applies the brakes to prevent a collision. The Terrain doesn’t offer backup collision prevention brakes.

The X3 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. 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 standard Cross Traffic Warning, helping the driver avoid collisions. GMC charges extra for Rear Cross Traffic Alert 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 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.

Side impacts caused 23% of all road fatalities in 2018, down from 29% in 2003, when the Insurance Institute for Highway Safety introduced its side barrier test. In order to continue improving vehicle safety, the IIHS has started using a more severe side impact test: 37 MPH (up from 31 MPH), with a 4180-pound barrier (up from 3300 pounds). The results of this newly developed test demonstrates that the BMW X3 is much safer than the Terrain:

	X3	Terrain
Overall Evaluation	GOOD	MARGINAL
Structure	GOOD	GOOD
	Driver Injury Measures
Head/Neck	GOOD	GOOD
Head Injury Criterion	45	131
Neck Tension	178 lbs.	290 lbs.
Neck Compression	45 lbs.	112 lbs.
Torso	GOOD	MARGINAL
Shoulder Deflection	.59 in	1.73 in
Shoulder Force	201 lbs.	312 lbs.
Torso Max Deflection	.98 in	1.69 in
Torso Deflection Rate	7 MPH	8 MPH
Head Protection	GOOD	GOOD
	Passenger Injury Measures
Head/Neck	GOOD	ACCEPTABLE
Head Injury Criterion	156	733
Head Peak Forces	no contact	101 G’s
Neck Tension	67 lbs.	89 lbs.
Neck Compression	89 lbs.	491 lbs.
Torso	GOOD	ACCEPTABLE
Shoulder Deflection	.16 in	1.65 in
Shoulder Force	112 lbs.	402 lbs.
Torso Max Deflection	.67 in	1.57 in
Pelvis	GOOD	GOOD
Pelvis Force	513 lbs.	669 lbs.
Head Protection	GOOD	MARGINAL

The BMW X3 has achieved the Insurance Institute for Highway Safety’s (IIHS) highest rating of “Top Safety Pick Plus” for the 2024 model year. This distinction is based on its exceptional performance in IIHS’ rigorous battery of safety tests. Specifically, it earned a “Good” rating in the latest, more stringent moderate overlap front crash test, a “Good” result in the updated side impact test, and a “Good” score in the revised pedestrian crash prevention test. The Terrain is not even a standard “Top Safety Pick” for 2024.

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, tire rotations, air filter replacements, cabin filter replacement, brake fluid replacement, inspections, and any other required maintenance. GMC only pays for the first scheduled maintenance visit on the Terrain.

Reliability

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 X3’s reliability 17 points higher than the Terrain.

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 2024 Auto Issue reports that BMW vehicles are more reliable than GMC vehicles. Consumer Reports ranks BMW 15 places higher in reliability than GMC.

Engine

The X3 s/xDrive30i’s standard 2.0 turbo 4-cylinder produces 73 more horsepower (248 vs. 175) 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 207 more horsepower (382 vs. 175) 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).

The X3 has a standard locking fuel door with a power remote release convenient to the driver. The fuel filler door is not lockable on the Terrain. A locking fuel door helps prevent fuel theft and vandalism, such as sugar in the tank.

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/AT4/Denali (8 vs. 7.9 inches).

Passenger Space

The X3 has .7 inches more front headroom, .4 inches more front shoulder room 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’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.

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.

Manual rear side window sunshades are available in the X3 to help block heat and glare for the rear passengers. The Terrain doesn’t offer rear side window sunshades.

The X3’s standard rear and side view mirrors have an automatic dimming feature. These mirrors can be set to automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Terrain has an automatic rear view mirror, but its side mirrors don’t dim.

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.