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Compare the2024 Toyota SiennaVS 2024 Buick Enclave

2024 Toyota Sienna
2024 Buick Enclave

Safety

© 1999 - 2024Advanta-STAR Automotive Research, all rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America (“Advanta-STAR”). If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it, or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. Removal of this watermark/notification without prior written license and approval received from Advanta-STAR is an agreement, understanding, and/or stipulation by the person(s), entities, agents, attorneys, and any other persons involved in the removal of this watermark/notification (including but not limited to Search Optics, LLC and any and all parent entities, sister entities, and subsidiary entities of Search Optics, LLC and/or any other entity, agent, attorney, and persons related in any manner to Search Optics, LLC) to: 1) an agreed upon amount of liquidated monetary damages of a minimum of $1,250,000.00 US Dollars in favor of Advanta-STAR; 2) the jurisdiction and enforcement of any legal claims associated with this matter asserted by Advanta-STAR in the United States Federal District Court in Portand, Oregon; and 3) service of process of any legal claims asserted by Advanta-STAR associated with this matter may be accomplished by First-Class Postage by the United States Postal Service or comparable service. XPYNN-M34HG 2a06:98c0:3600::103 2024/11/09

For enhanced safety, the front and middle seat shoulder belts of the Toyota Sienna are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The Buick Enclave doesn’t offer height-adjustable front seat belts.

The Toyota Sienna has a standard driver’s side knee airbag mounted low on the dashboard. The knee airbag helps prevent the driver from sliding under the seatbelts or the main frontal airbag; this keeps the driver better positioned during a collision for maximum protection. A knee airbag also helps keep the legs from striking the dashboard, preventing knee and leg injuries in the case of a serious frontal collision. The Enclave doesn’t offer knee airbags.

The Sienna has a standard Secondary Collision Brake, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Enclave 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.

Both the Sienna and Enclave have Rear Cross Traffic Alert, but the Sienna has Rear Cross Traffic Braking (automatically applies the brakes) to better prevent a collision when backing near traffic. The Enclave’s Rear Cross Traffic Alert doesn’t automatically brake.

The Sienna’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 Enclave doesn’t offer a driver alert monitor.

Both the Sienna and the Enclave have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, front wheel drive, 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, 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 Toyota Sienna is safer than the Buick Enclave:

Sienna

Enclave

Passenger

STARS

4 Stars

4 Stars

HIC

175

333

Chest Compression

.6 inches

.9 inches

Neck Compression

42 lbs.

51 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 Toyota Sienna is safer than the Buick Enclave:

Sienna

Enclave

Front Seat

STARS

5 Stars

5 Stars

HIC

42

69

Chest Movement

.5 inches

.9 inches

Abdominal Force

123 lbs.

161 lbs.

Rear Seat

STARS

5 Stars

5 Stars

HIC

52

134

Spine Acceleration

30 G’s

39 G’s

Hip Force

542 lbs.

716 lbs.

Into Pole

STARS

5 Stars

5 Stars

Max Damage Depth

12 inches

14 inches

Spine Acceleration

31 G’s

34 G’s

Hip Force

499 lbs.

554 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 Toyota Sienna is safer than the Enclave:

Sienna

Enclave

Overall Evaluation

GOOD

ACCEPTABLE

Structure

GOOD

MARGINAL

Driver Injury Measures

Head/Neck

GOOD

GOOD

Neck Tension

201 lbs.

446 lbs.

Torso

GOOD

ACCEPTABLE

Shoulder Deflection

.55 in

1.3 in

Shoulder Force

178 lbs.

312 lbs.

Torso Max Deflection

.83 in

1.5 in

Torso Deflection Rate

6 MPH

6 MPH

Pelvis

GOOD

ACCEPTABLE

Pelvis Force

736 lbs.

1116 lbs.

Head Protection

GOOD

GOOD

Passenger Injury Measures

Head/Neck

GOOD

GOOD

Head Injury Criterion

18

189

Neck Compression

22 lbs.

201 lbs.

Torso

GOOD

GOOD

Shoulder Deflection

.98 in

1.02 in

Torso Max Deflection

.71 in

1.22 in

Torso Deflection Rate

7 MPH

10 MPH

Pelvis

GOOD

GOOD

Pelvis Force

625 lbs.

848 lbs.

Head Protection

GOOD

GOOD

Instrumented handling tests conducted by the National Highway Traffic Safety Administration and analysis of its dimensions indicate that the Sienna is 1% to 4.2% less likely to roll over than the Enclave.

The Toyota Sienna achieved a “Top Safety Pick” rating from the Insurance Institute for Highway Safety (IIHS) for the 2024 model year. This recognition was based on its impressive performance in the small overlap frontal crash test, updated side impact crash test, headlight evaluations, and pedestrian crash prevention testing. The Enclave is not a “Top Safety Pick” for 2024.

Warranty

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The Sienna’s corrosion warranty is unlimited miles longer than the Enclave’s (unlimited vs. 100,000 miles).

Toyota pays for scheduled maintenance on the Sienna for 2 years and 25000 miles. Toyota will pay for oil changes, tire rotations, air filter replacements, cabin filter replacement, brake fluid replacement, inspections, and any other required maintenance. Buick doesn’t pay scheduled maintenance for the Enclave.

There are over 16 percent more Toyota dealers than there are Buick dealers, which makes it easier should you ever need service under the Sienna’s warranty.

Reliability

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The battery on the Sienna is in the trunk, which protects it from hot underhood temperatures that can degrade battery life. By keeping the Sienna’s battery 20 to 30 degrees cooler, its life is increased by years. The Enclave’s battery is in the hot engine compartment.

From surveys of all its subscribers, Consumer Reports’ January 2024 Auto Issue reports that Toyota vehicles are more reliable than Buick vehicles. Consumer Reports ranks Toyota second in overall reliability. Buick is ranked 12th.

Fuel Economy and Range

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On the EPA test cycle the Sienna gets better mileage than the Enclave:

MPG

Sienna

FWD

2.5 4-cyl. Hybrid

36 city/36 hwy

AWD

2.5 4-cyl. Hybrid

35 city/36 hwy

Enclave

FWD

3.6 DOHC V6

18 city/26 hwy

AWD

3.6 DOHC V6

17 city/25 hwy

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

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

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Toyota Sienna higher (7 out of 10) than the Buick Enclave (6). This means the Sienna produces up to 1.1 pounds less smog-producing pollutants than the Enclave every 15,000 miles.

Transmission

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The Sienna has a standard continuously variable transmission (CVT). With no “steps” between gears, it can keep the engine at the most efficient speed for fuel economy, or keep it at its peak horsepower indefinitely for maximum acceleration. The Enclave doesn’t offer a CVT.

Brakes and Stopping

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For better stopping power the Sienna’s brake rotors are larger than those on the Enclave:

Sienna

Enclave

Front Rotors

12.9 inches

12.6 inches

Rear Rotors

12.5 inches

12.4 inches

The Sienna stops shorter than the Enclave:

Sienna

Enclave

60 to 0 MPH

125 feet

134 feet

Motor Trend

Tires and Wheels

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The Sienna XSE/FWD Platinum’s tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the Enclave’s optional 55 series tires.

Suspension and Handling

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For better handling and stability, the track (width between the wheels) on the Sienna is .4 inches wider in the front and 1.5 inches wider in the rear than on the Enclave.

The Sienna’s front to rear weight distribution is more even (53% to 47%) than the Enclave’s (57% to 43%). This gives the Sienna more stable handling and braking.

For better maneuverability, the Sienna’s turning circle is .7 feet tighter than the Enclave’s (38.3 feet vs. 39 feet).

Passenger Space

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The Sienna has standard seating for 8 passengers; the Enclave can only carry 7.

The Sienna has 5.2 cubic feet more passenger volume than the Enclave (162.5 vs. 157.3).

The Sienna has .6 inches more front hip room, .2 inches more front shoulder room, 1.6 inches more rear legroom, 8.5 inches more rear hip room, 1.1 inches more rear shoulder room, 5.2 inches more third row legroom, .3 inches more third row hip room and 1.2 inches more third row shoulder room than the Enclave.

For enhanced passenger comfort on long trips the Sienna’s middle and third row seats recline. The Enclave’s third row seats don’t recline.

Cargo Capacity

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The Sienna’s cargo area provides more volume than the Enclave.

Sienna

Enclave

Behind Third Seat

33.5 cubic feet

23.6 cubic feet

Third Seat Folded

75.2 cubic feet

57.7 cubic feet

Second Seat Folded

101 cubic feet

97.4 cubic feet

The Sienna has a standard Split & Stow third row seat, which folds flat into the floor. This completely clears a very large cargo area quickly. The Enclave doesn’t offer seats that fold into the floor.

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

Towing

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The Sienna’s standard towing capacity is much higher than the Enclave’s (3500 vs. 1500 pounds).

Standard Trailer Sway Control on the Sienna uses the Enhanced Vehicle Stability Control sensors to detect trailer sway, then uses individual brakes to counteract any swaying and help keep the tow vehicle and trailer steady. The Enclave doesn’t offer electronic trailer sway control.

Ergonomics

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The Sienna’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 Enclave’s passenger windows don’t close automatically.

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

Economic Advantages

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The Sienna will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the Sienna will retain 52.72% to 55.04% of its original price after five years, while the Enclave only retains 48.75% to 49.82%.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Toyota Sienna will be $8995 to $12132 less than for the Buick Enclave.

Recommendations

© 1999 - 2024Advanta-STAR Automotive Research, all rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America (“Advanta-STAR”). If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it, or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. Removal of this watermark/notification without prior written license and approval received from Advanta-STAR is an agreement, understanding, and/or stipulation by the person(s), entities, agents, attorneys, and any other persons involved in the removal of this watermark/notification (including but not limited to Search Optics, LLC and any and all parent entities, sister entities, and subsidiary entities of Search Optics, LLC and/or any other entity, agent, attorney, and persons related in any manner to Search Optics, LLC) to: 1) an agreed upon amount of liquidated monetary damages of a minimum of $1,250,000.00 US Dollars in favor of Advanta-STAR; 2) the jurisdiction and enforcement of any legal claims associated with this matter asserted by Advanta-STAR in the United States Federal District Court in Portand, Oregon; and 3) service of process of any legal claims asserted by Advanta-STAR associated with this matter may be accomplished by First-Class Postage by the United States Postal Service or comparable service. XPYNN-M34HG 2a06:98c0:3600::103 2024/11/09

Consumer Reports® recommends both the Toyota Sienna and the Buick Enclave, based on reliability, safety and performance.

The Toyota Sienna outsold the Buick Enclave by 69% during 2023.

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