Compare the2023 BMW X3VS 2022 Toyota 4Runner

Safety
Warranty
Reliability
Engine
Fuel Economy and Range
Transmission
Brakes and Stopping
Tires and Wheels
Suspension and Handling
Chassis
Passenger Space
Cargo Capacity
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 4Runner doesn’t offer pre-crash pretensioners.

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 4Runner 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 4Runner 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 4Runner’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 4Runner and isn't available on the not available.

For better protection of the passenger compartment, the X3 uses safety cell construction with a three-dimensional high-strength frame that surrounds the passenger compartment. It provides extra impact protection and a sturdy mounting location for door hardware and side impact beams. The 4Runner uses a body-on-frame design, which has no frame members above the floor of the vehicle.

Both the X3 and the 4Runner have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee 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, driver alert monitors, 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 Toyota 4Runner:

	X3	4Runner
OVERALL STARS	5 Stars	4 Stars
	Driver
STARS	5 Stars	4 Stars
HIC	102	267
Neck Injury Risk	21%	47%
Neck Stress	202 lbs.	438 lbs.
Leg Forces (l/r)	116/280 lbs.	488/468 lbs.
	Passenger
STARS	5 Stars	3 Stars
HIC	176	367
Chest Compression	.6 inches	.7 inches
Neck Injury Risk	38%	57%
Neck Stress	139 lbs.	271 lbs.
Leg Forces (l/r)	183/114 lbs.	453/353 lbs.

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

A significantly tougher test than their original offset frontal crash test, the Insurance Institute for Highway Safety does 40 MPH small overlap frontal offset crash tests. In this test, where only 25% of the total width of the vehicle is struck, results indicate that the BMW X3 is safer than the 4Runner:

	X3	4Runner
Overall Evaluation	GOOD	MARGINAL
Restraints	GOOD	GOOD
Head Neck Evaluation	GOOD	GOOD
Head injury index	118	142
Peak Head Forces	0 G’s	0 G’s
Steering Column Movement Rearward	0 cm	12 cm
Chest Evaluation	GOOD	GOOD
Hip & Thigh Evaluation	GOOD	GOOD
Femur Force R/L	.1/.1 kN	3.9/2.4 kN
Hip & Thigh Injury Risk R/L	0%/0%	1%/0%
Lower Leg Evaluation	GOOD	ACCEPTABLE
Tibia index R/L	.25/.23	.95/.85
Tibia forces R/L	1.2/.9 kN	5/2.9 kN

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 Toyota 4Runner:

	X3	4Runner
	Front Seat
STARS	5 Stars	5 Stars
Chest Movement	.5 inches	1.1 inches
Abdominal Force	153 lbs.	179 lbs.
	Into Pole
STARS	5 Stars	4 Stars
Max Damage Depth	13 inches	20 inches
HIC	281	507
Spine Acceleration	43 G’s	43 G’s
Hip Force	624 lbs.	895 lbs.

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

Instrumented handling tests conducted by the National Highway Traffic Safety Administration and analysis of its dimensions indicate that the X3, with its four-star roll-over rating, is 7.4% to 7.5% less likely to roll over than the 4Runner, which received a three-star rating.

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 4Runner was not even a standard “Top Safety Pick” for 2016.

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 4Runner’s 3-year/36,000-mile basic warranty expires 1 year or 14,000 miles sooner.

The X3’s corrosion warranty is 7 years longer than the 4Runner’s (12 vs. 5 years).

BMW pays for scheduled maintenance on the X3 for 1 year and 11000 miles longer than Toyota pays for maintenance for the 4Runner (3/36,000 vs. 2/25000).

Reliability

J.D. Power and Associates’ 2022 Initial Quality Study of new car owners surveyed provide the statistics that show that BMW vehicles are better in initial quality than Toyota vehicles. J.D. Power ranks BMW above average in initial quality. With 7 more problems per 100 vehicles, Toyota is rated lower.

Engine

The X3 M40i’s standard 3.0 turbo 6-cylinder hybrid produces 112 more horsepower (382 vs. 270) and 91 lbs.-ft. more torque (369 vs. 278) than the 4Runner’s 4.0 DOHC V6.

As tested in Motor Trend the X3 s/xDrive30i 2.0 turbo 4-cylinder is faster than the Toyota 4Runner:

	X3	4Runner
Zero to 60 MPH	6.7 sec	7.8 sec
Quarter Mile	15.1 sec	15.9 sec
Speed in 1/4 Mile	91.5 MPH	87.3 MPH

Fuel Economy and Range

On the EPA test cycle the X3 gets better mileage than the 4Runner:

			MPG
X3
	RWD	2.0 turbo 4-cyl.	23 city/29 hwy
	AWD	2.0 turbo 4-cyl.	21 city/28 hwy
		3.0 turbo 6-cyl. Hybrid	21 city/26 hwy
4Runner
	RWD	4.0 DOHC V6	16 city/19 hwy
	AWD	4.0 DOHC V6	16 city/19 hwy

Regenerative brakes improve the X3’s fuel efficiency by converting inertia back into energy instead of wasting it. The 4Runner doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the X3’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 4Runner doesn’t offer an automatic engine start/stop system.

Transmission

An eight-speed automatic is standard on the BMW X3, for better acceleration and lower engine speed on the highway. Only a five-speed automatic is available for the 4Runner.

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 4Runner doesn’t offer launch control.

Brakes and Stopping

For better stopping power the X3 M40i’s brake rotors are larger than those on the 4Runner:

	X3 M40i	4Runner
Front Rotors	13.7 inches	13.3 inches
Rear Rotors	13.5 inches	12.3 inches

The X3 stops much shorter than the 4Runner:

	X3	4Runner
70 to 0 MPH	158 feet	201 feet	Car and Driver
60 to 0 MPH	112 feet	138 feet	Motor Trend
60 to 0 MPH (Wet)	138 feet	145 feet	Consumer Reports

Tires and Wheels

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 4Runner’s standard 70 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 4Runner Limited/TRD Sport’s 60 series tires.

For better ride, handling and brake cooling the X3 has standard 19-inch wheels. Smaller 17-inch wheels are standard on the 4Runner. The X3’s optional 21-inch wheels are larger than the 20-inch wheels on the 4Runner Limited/TRD Sport.

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 4Runner doesn’t offer run-flat tires.

Suspension and Handling

For superior ride and handling, the BMW X3 has fully independent front and rear suspensions. An independent suspension allows the wheels to follow the road at the best angle for gripping the pavement, without compromising ride comfort. The Toyota 4Runner has a solid rear axle, with a non-independent rear suspension.

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 4Runner’s suspension doesn’t offer adjustable shock absorbers.

For a smoother ride and more stable handling, the X3’s wheelbase is 3 inches longer than on the 4Runner (112.8 inches vs. 109.8 inches).

The X3’s front to rear weight distribution is more even (49% to 51%) than the 4Runner’s (53.6% to 46.4%). This gives the X3 more stable handling and braking.

The X3 M40i xDrive handles at .88 G’s, while the 4Runner TRD Off-Road pulls only .71 G’s of cornering force in a Car and Driver skidpad test.

The X3 M40i xDrive executes Motor Trend’s “Figure Eight” maneuver 3.6 seconds quicker than the 4Runner TRD Off-Road (25.9 seconds @ .72 average G’s vs. 29.5 seconds @ .55 average G’s).

Chassis

The BMW X3 may be more efficient, handle and accelerate better because it weighs about 300 to 400 pounds less than the Toyota 4Runner.

The X3 is 4.3 inches shorter than the 4Runner, making the X3 easier to handle, maneuver and park in tight spaces.

Unibody construction lowers the X3’s center of gravity significantly without reducing ground clearance. This contributes to better on the road handling and better off-road performance and stability. In addition, unibody construction makes the chassis stiffer, improving handling and reducing squeaks and rattles. The 4Runner uses body-on-frame design instead.

The front grille of the X3 uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The 4Runner doesn’t offer active grille shutters.

As tested by Car and Driver while at idle, the interior of the X3 M40i xDrive is quieter than the 4Runner TRD Off-Road (40 vs. 43 dB).

Passenger Space

The X3 has 1.8 inches more front headroom, .5 inches more rear headroom and 3.5 inches more rear legroom than the 4Runner.

Cargo Capacity

The X3 has a much larger cargo volume than the 4Runner with its rear seat up (28.7 vs. 9 cubic feet).

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 4Runner’s liftover is 30.7 inches.

Pulling a handle automatically lowers the X3’s rear seats, to make changing between passengers and cargo easier. The 4Runner doesn’t offer automatic folding seats.

To make loading and unloading groceries and cargo easier, especially for short adults, the X3 has a standard power liftgate, which opens and closes automatically by pressing a button, or optionally by just kicking your foot under the back bumper, completely leaving your hands free. The 4Runner doesn’t offer a power liftgate.

Servicing Ease

A Condition-Based Service Display is standard on the X3 to save the owner time and money by calculating maintenance intervals for oil changes and transmission fluid replacement, vehicle inspection based on actual driving conditions. This takes the guesswork out of keeping your vehicle in top condition and helps it last longer. Toyota doesn’t offer a maintenance reminder on the 4Runner.

J.D. Power and Associates surveys of service recipients show that BMW service is better than Toyota. J.D. Power ranks BMW 7th in service department satisfaction (above the industry average). With a 18% lower rating, Toyota is ranked 20th.

Ergonomics

The X3 offers a remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The 4Runner doesn’t offer a remote starting system.

The engine computer on the X3 automatically engages the starter until the car starts with one twist of the key and disables the starter while the engine is running. The 4Runner’s starter can be accidentally engaged while the engine is running, making a grinding noise and possibly damaging the starter and ring gear.

The X3 offers an optional heads-up display that projects speed, warning and navigation instruction readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The 4Runner doesn’t offer a heads-up display.

The X3’s power parking brake sets with one touch and releases with one touch or automatically. The 4Runner’s parking brake has to be released manually.

The power windows standard on both the X3 and the 4Runner have locks to prevent small children from operating them. When the lock on the X3 is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The 4Runner prevents the driver from operating the other windows just as it does the other passengers.

The X3’s power window, power lock, power mirror and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The 4Runner’s power mirror and cruise control switches are unlit, making them difficult to find at night and operate safely.

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 4Runner 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 4Runner’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 4Runner’s headlights are rated “Poor.”

The X3 has a standard automatic headlight on/off feature. When the ignition is on, the headlights automatically turn on at dusk and off after dawn. The 4Runner has an automatic headlight on/off feature standard only on the Limited/TRD Pro.

To help drivers avoid possible obstacles, the X3 offers optional cornering lights to illuminate around corners when the turn signals are activated. The 4Runner 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 4Runner doesn’t offer rear side window sunshades.

The X3’s power mirror controls are mounted on the armrest for easy access. The 4Runner’s power mirror controls are on the dash where they are possibly hidden by the steering wheel and are awkward to manipulate.

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 4Runner’s mirror doesn’t automatically adjust for backing.

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 4Runner offers an automatic rear view mirror, but its side mirrors don’t dim.

Both the X3 and the 4Runner offer available heated front seats. The X3 also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated second row seats aren’t available in the 4Runner.

On extremely cold winter days, the X3’s optional heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the vehicle heater warms up. The 4Runner doesn’t offer a heated steering wheel.

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 is only available on the 4Runner Limited/TRD Pro.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the BMW X3 offers an optional wireless phone charging system (Qi) in the center console. The 4Runner doesn’t offer wireless personal charging.

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 4Runner doesn’t offer an automated parking system.

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 4Runner 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 4Runner because typical repairs cost much less on the X3 than the 4Runner, including $15 less for a fuel pump and $594 less for a timing belt/chain.

Recommendations

Consumer Reports® recommends the BMW X3, based on reliability, safety and performance. The Toyota 4Runner isn't recommended.

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