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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 Blazer doesn’t offer pre-crash pretensioners.
The X3 has standard Active Protection, which automatically apply the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Blazer 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 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 Blazer doesn’t offer a driver alert monitor.
Both the X3 and the Blazer have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available all wheel drive, lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.
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, with its optional front crash prevention system, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the X3 its highest rating: “Top Pick Plus” for 2019, a rating granted to only 36 vehicles tested by the IIHS. The Blazer has not been tested, yet.
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 Blazer’s 3-year/36,000-mile basic warranty expires 1 year and 14,000 miles sooner.
The X3’s corrosion warranty is 6 years and unlimited miles longer than the Blazer’s (12/unlimited vs. 6/100,000).
BMW pays for scheduled maintenance on the X3 for 1 year and 12000 miles longer than Chevrolet pays for maintenance for the Blazer (3/36,000 vs. 2/24,000).
From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that BMW vehicles are more reliable than Chevrolet vehicles. Consumer Reports ranks BMW 15 places higher in reliability than Chevrolet.
The X3 s/xDrive30i’s standard 2.0 turbo 4 cyl. produces 55 more horsepower (248 vs. 193) and 70 lbs.-ft. more torque (258 vs. 188) than the Blazer’s standard 2.5 DOHC 4 cyl. The X3 M40i’s standard 3.0 turbo 6 cyl. produces 50 more horsepower (355 vs. 305) and 100 lbs.-ft. more torque (369 vs. 269) than the Blazer’s optional 3.6 DOHC V6.
Regenerative brakes improve the X3’s fuel efficiency by converting inertia back into energy instead of wasting it. The Blazer doesn’t offer a regenerative braking system.
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 Blazer doesn’t offer launch control.
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 Blazer are solid, not vented.
The X3 xDrive30i’s standard tires provide better handling because they have a lower 60 series profile (height to width ratio) that provides a stiffer sidewall than the Blazer’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 Blazer RS/Premier’s optional 45 series tires.
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 Blazer doesn’t offer run-flat tires.
The X3 has standard front and rear gas-charged shocks for better control over choppy roads. The Blazer’s suspension doesn’t offer gas-charged shocks.
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 Blazer’s suspension doesn’t offer adjustable shock absorbers.
The X3 is 5.5 inches shorter than the Blazer, making the X3 easier to handle, maneuver and park in tight spaces.
The X3 has 1.3 inches more front headroom and .5 inches more rear headroom than the Blazer.
For enhanced passenger comfort on long trips the X3’s rear seats recline. The Blazer’s rear seats don’t recline.
A low lift-over cargo hatch design makes loading and unloading the X3 easier. The X3’s cargo hatch lift-over height is 28.5 inches, while the Blazer’s liftover is 30.4 inches.
The X3’s standard towing capacity is much higher than the Blazer’s (4400 vs. 1500 pounds).
The engine in the X3 is mounted longitudinally (North-South), instead of sideways, as in the Blazer. 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 Chevrolet. J.D. Power ranks BMW 8th in service department satisfaction (above the industry average). With a 8% lower rating, Chevrolet is ranked 10th.
The X3 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 Blazer doesn’t offer a heads-up display.
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 Blazer’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 Blazer 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 Blazer’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 Blazer doesn’t offer cornering lights. The X3 also offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.
When the X3 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 Blazer’s mirror doesn’t automatically adjust for backing.
The X3’s optional Parking Assistant can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The Blazer doesn’t offer an automated parking system.
Consumer Reports® chose the BMW X3 as its “Top Pick,” the highest scoring vehicle in its category, based on reliability, safety and performance.
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