Compare the2023 Buick EnclaveVS 2023 Toyota Sienna

The Enclave has a standard front seat center airbag, which deploys between the driver and front passenger, protecting them from injuries caused by striking each other in serious side impacts. The Sienna doesn’t offer front seat center airbags.

Both the Enclave and the Sienna 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 Buick Enclave is safer than the Toyota Sienna:

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 Buick Enclave is safer than the Toyota Sienna:

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

The Enclave’s corrosion warranty is 1 year longer than the Sienna’s (6 vs. 5 years).

There are over 58 percent more Buick dealers than there are Toyota dealers, which makes it much easier should you ever need service under the Enclave’s warranty.

J.D. Power and Associates’ 2022 Initial Quality Study of new car owners surveyed provide the statistics that show that Buick vehicles are better in initial quality than Toyota vehicles. J.D. Power ranks Buick first in initial quality, above the industry average. With 33 more problems per 100 vehicles, Toyota is ranked 14th.

J.D. Power and Associates’ 2022 survey of the owners of three-year-old vehicles provides the statistics that show that Buick vehicles are more reliable than Toyota vehicles. J.D. Power ranks Buick second in reliability, above the industry average. With 11 more problems per 100 vehicles, Toyota is ranked fifth.

The Enclave’s standard 3.6 DOHC V6 produces 65 more horsepower (310 vs. 245) than the Sienna’s 2.5 DOHC 4-cylinder hybrid.

As tested in Car and Driver the Buick Enclave is faster than the Toyota Sienna:

The Enclave FWD’s standard fuel tank has 1.4 gallons more fuel capacity than the Sienna (19.4 vs. 18 gallons), for longer range between fill-ups. The Enclave AWD’s standard fuel tank has 3.7 gallons more fuel capacity than the Sienna (21.7 vs. 18 gallons).

The Enclave has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The Sienna doesn’t offer a cap-less fueling system.

The Enclave stops much shorter than the Sienna:

For better traction, the Enclave has larger tires than the Sienna (255/65R18 vs. 235/50R20).

For better ride, handling and brake cooling the Enclave has standard 18-inch wheels. Smaller 17-inch wheels are standard on the Sienna LE/XLE.

The Buick Enclave’s wheels have 6 lugs for longer wheel bearing life, less chance of rotor warping and greater strength. The Toyota Sienna only has 5 wheel lugs per wheel.

The Enclave has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The Sienna doesn’t offer vehicle monitored tire inflation.

The Enclave offers an available 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 Sienna’s suspension doesn’t offer adjustable shock absorbers.

For greater off-road capability the Enclave has a 1.2 inches greater minimum ground clearance than the Sienna (7.5 vs. 6.3 inches), allowing the Enclave to travel over rougher terrain without being stopped or damaged. The Enclave’s minimum ground clearance is .6 inch higher than on the Sienna 25th Anniversary Edition (7.5 vs. 6.9 inches).

The Buick Enclave may be more efficient, handle and accelerate better because it weighs about 50 to 250 pounds less than the Toyota Sienna.

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

The Enclave uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The Sienna doesn’t offer active noise cancellation.

The Enclave has 2.5 inches more front headroom, .9 inches more front legroom and .2 inches more third row headroom than the Sienna.

The Sienna’s spare tire is stored in the cargo area, where it diminishes the useable cargo capacity and interferes with loading and unloading. The Enclave’s spare is out of the way under the trunk floor.

Pressing a button automatically lowers or raises the Enclave Premium/Avenir’s third row seats, to make changing between cargo and passengers easier. The Sienna doesn’t offer automatic folding seats.

Maximum trailer towing in the Toyota Sienna is limited to 3500 pounds. The Enclave offers up to a 5000 lbs. towing capacity.

The Enclave uses gas struts to support the hood for easier service access. The Sienna 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.

J.D. Power and Associates surveys of service recipients show that Buick service is better than Toyota. J.D. Power ranks Buick fifth in service department satisfaction. With a 24% lower rating, Toyota is ranked 20th.

The Enclave has a standard 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 Sienna doesn’t offer a remote starting system.

In case you lock your keys in your vehicle, or don’t have them with you, you can let yourself in using the Enclave’s available exterior PIN entry system. The Sienna doesn’t offer an exterior PIN entry system.

Consumer Reports rated the Enclave’s headlight performance “Very Good,” a higher rating than the Sienna’s headlights, which were rated “Good.”

The Enclave has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the vehicle heater warms up. A heated steering wheel is only available on the Sienna Platinum.

The Enclave Premium/Avenir has standard massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the Sienna.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Buick Enclave has a standard wireless phone charging system (Qi) in the center console. Wireless charging costs extra on the Sienna.