Honda Cars of Katy Compares 2018 Honda Odyssey VS 2018 Toyota Sienna Near Houston, TX

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2018 Honda Odyssey

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VS

2018 Toyota Sienna

Safety Comparison

The Insurance Institute for Highway Safety tests front crash prevention systems. With a score of 6 points, IIHS rates the Collision Mitigation Braking System optional in the Odyssey as “Superior.” The Sienna scores only 3 points and is rated only “Advanced.”

Both the Odyssey and the Sienna have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, front-wheel drive, height adjustable front shoulder belts, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available lane departure warning systems, blind spot warning systems, front and rear parking sensors and rear cross-path warning.

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 Honda Odyssey is safer than the Sienna:

 

Odyssey

Sienna

Overall Evaluation

GOOD

ACCEPTABLE

Restraints

GOOD

ACCEPTABLE

Head Neck Evaluation

GOOD

GOOD

Peak Head Forces

0 G’s

0 G’s

Steering Column Movement Rearward

2 cm

5 cm

Chest Evaluation

GOOD

GOOD

Max Chest Compression

24 cm

24 cm

Hip & Thigh Evaluation

GOOD

GOOD

Hip & Thigh Injury Risk R/L

0%/0%

2%/0%

Lower Leg Evaluation

GOOD

GOOD

Tibia index R/L

.5/.43

.54/.34

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, with its optional front crash prevention system, and its available headlight’s “Acceptable” rating, the Insurance Institute for Highway Safety grants the 2018 Odyssey the rating of “Top Pick” for 2018, a rating granted to only 87 vehicles tested by the IIHS. The Sienna was not even a standard “Top Pick” for 2018.

Reliability Comparison

The engine in the Odyssey has a single overhead cam for simplicity. The engine in the Sienna has dual overhead cams, which add to the number of moving parts and the complexity of the cylinder heads.

Engine Comparison

As tested in Car and Driver the Honda Odyssey is faster than the Toyota Sienna:

 

Odyssey

Sienna

Zero to 60 MPH

6.6 sec

6.9 sec

Zero to 100 MPH

17 sec

18.1 sec

5 to 60 MPH Rolling Start

6.6 sec

7.1 sec

Passing 30 to 50 MPH

3.5 sec

3.7 sec

Passing 50 to 70 MPH

4.1 sec

5.2 sec

Quarter Mile

15.2 sec

15.4 sec

Speed in 1/4 Mile

95 MPH

93 MPH

Fuel Economy and Range Comparison

On the EPA test cycle the Odyssey 9-speed Auto gets better fuel mileage than the Sienna FWD (19 city/28 hwy vs. 19 city/27 hwy).

An engine control system that can shut down half of the engine’s cylinders helps improve the Odyssey’s fuel efficiency. The Sienna doesn’t offer a system that can shut down part of the engine.

In heavy traffic or at stoplights the Odyssey Touring/Elite’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. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The Sienna doesn’t offer an automatic engine start/stop system.

The Odyssey 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.

Brakes and Stopping Comparison

The Odyssey stops shorter than the Sienna:

 

Odyssey

Sienna

 

70 to 0 MPH

180 feet

181 feet

Car and Driver

60 to 0 MPH

127 feet

128 feet

Motor Trend

Tires and Wheels Comparison

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

The Odyssey 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.

Suspension and Handling Comparison

For superior ride and handling, the Honda Odyssey 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 Sienna has a rear torsion beam axle, with a semi-independent rear suspension.

Chassis Comparison

To almost totally eliminate engine vibration in the passenger area, the Odyssey has an electronically controlled liquid-filled engine mounts. A computer controlled electric current in the liquid changes its viscosity, allowing the mount to dampen the engine completely at all RPMs. The Sienna uses conventional solid rubber engine mounts.

The front grille of the Odyssey 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 Odyssey 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.

Passenger Space Comparison

The Odyssey has .4 inches more front legroom, 3.3 inches more rear legroom and 1.8 inches more third row legroom than the Sienna.

Cargo Capacity Comparison

To make loading groceries and cargo easier when your hands are full, the Odyssey Touring/Elite’s liftgate can be opened and closed just by kicking your foot under the back bumper, leaving your hands completely free. The Sienna doesn’t offer a hands-free gesture to open its liftgate, forcing you to put cargo down if your hands are full.

Ergonomics Comparison

If the windows are left open on the Odyssey the driver can close them all at the outside door handle. On a hot day the driver can lower the windows at the outside door handle or from a distance using the keyless remote. The driver of the Sienna can only operate the windows from inside the vehicle, with the ignition on.

Standard air-conditioned seats in the Odyssey Elite keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The Sienna doesn’t offer air-conditioned seats.

The Odyssey Touring/Elite has a standard center folding armrest for the third row rear passengers. A center armrest helps make rear passengers more comfortable. The Sienna doesn’t offer a third row rear seat center armrest.

Economic Advantages Comparison

Insurance will cost less for the Odyssey owner. The Complete Car Cost Guide estimates that insurance for the Odyssey will cost $65 to $1822 less than the Sienna over a five-year period.

Recommendations Comparison

Car and Driver performed a comparison test in its September 2017 issue and they ranked the Honda Odyssey Elite higher than the Toyota Sienna Limited.

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