Compare the2024 BMW X4VS 2024 Toyota 4Runner

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
Servicing Ease
Ergonomics
Recommendations

Safety

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The X4’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 X4 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 X4 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 4Runner doesn’t offer backup collision prevention brakes.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the X4. But it costs extra on the 4Runner.

For better protection of the passenger compartment, the X4 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 X4 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, blind spot warning systems, rearview cameras, rear cross-path warning, driver alert monitors and available around view monitors.

Warranty

The X4 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 X4’s corrosion warranty is 7 years longer than the 4Runner’s (12 vs. 5 years).

BMW pays for scheduled maintenance on the X4 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’ 2023 Initial Quality Study of new car owners surveyed provide the statistics that show that BMW vehicles are better in initial quality than Toyota vehicles. With 2 fewer problems per 100 vehicles, JD Power ranks BMW higher than Toyota.

Engine

The X4 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.

Fuel Economy and Range

On the EPA test cycle the X4 gets better mileage than the 4Runner:

			MPG
X4
	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 X4’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 X4’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.

The X4 has a standard locking fuel door with a power remote release convenient to the driver. The fuel filler door is not lockable on the 4Runner. A locking fuel door helps prevent fuel theft and vandalism, such as sugar in the tank.

Environmental Friendliness

The U.S. Environmental Protection Agency (EPA) certifies the BMW X4 at emission levels ranging from “Low Emissions Vehicle” (LEV) to “Super Ultra Low Emissions Vehicle” (SULEV). The Toyota 4Runner is only certified to “Low Emissions Vehicle” (LEV) standards.

Transmission

An eight-speed automatic is standard on the BMW X4, for better acceleration and lower engine speed on the highway. Only a five-speed automatic is available for the 4Runner.

Brakes and Stopping

For better stopping power the X4 M40i’s brake rotors are larger than those on the 4Runner:

	X4 M40i	4Runner
Front Rotors	13.7 inches	13.3 inches
Rear Rotors	13.6 inches	12.3 inches

The X4 stops much shorter than the 4Runner:

	X4	4Runner
60 to 0 MPH	109 feet	138 feet	Motor Trend

Tires and Wheels

The X4’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 X4’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 X4 has standard 19-inch wheels. Smaller 17-inch wheels are standard on the 4Runner. The X4’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 X4 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 X4 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 X4 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 X4’s wheelbase is 3 inches longer than on the 4Runner (112.8 inches vs. 109.8 inches).

For better handling and stability, the average track (width between the wheels) on the X4 is 1.5 inches wider in the rear than the average track on the 4Runner.

The X4’s front to rear weight distribution is more even (49.2% to 50.8%) than the 4Runner’s (53.6% to 46.4%). This gives the X4 more stable handling and braking.

The X4 M40i handles at .89 G’s, while the 4Runner TRD Off-Road pulls only .73 G’s of cornering force in a Motor Trend skidpad test.

The X4 M40i executes Motor Trend’s “Figure Eight” maneuver 3.9 seconds quicker than the 4Runner TRD Off-Road (25.6 seconds @ .73 average G’s vs. 29.5 seconds @ .55 average G’s).

Chassis

The BMW X4 may be more efficient, handle and accelerate better because it weighs about 200 to 400 pounds less than the Toyota 4Runner.

The X4 is 7.7 inches shorter in height than the 4Runner, making the X4 much easier to wash and garage and drive (lower center of gravity).

Unibody construction lowers the X4’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 doesn’t use unibody construction, but a body-on-frame design.

The front grille of the X4 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.

Passenger Space

The X4 has 1 inch more front headroom and 2.6 inches more rear legroom than the 4Runner.

Cargo Capacity

The X4 has a much larger cargo volume than the 4Runner with its rear seat up (18.5 vs. 9 cubic feet).

Pulling a handle automatically lowers the X4’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 X4 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 X4 to save the owner time and money by calculating maintenance intervals for oil changes, spark plug replacement, brake fluid replacement, and vehicle inspections, 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 engine computer on the X4 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 X4 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 X4’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 X4 and the 4Runner have locks to prevent small children from operating them. When the lock on the X4 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 X4’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 X4 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 X4 has standard cornering lights to illuminate around corners when the turn signals are activated. The 4Runner doesn’t offer cornering lights. The X4 also has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

The X4’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 X4 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 X4’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 X4 and the 4Runner offer available heated front seats. The X4 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.

The X4 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 X4 offers an optional wireless phone charging system (Qi) in the front center console. The 4Runner doesn’t offer wireless personal charging.

The X4’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.

Recommendations

J.D. Power and Associates rated the X4 first among compact premium suvs in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The 4Runner isn’t in the top three in its category.