2020 Honda Odyssey vs. 2020 Toyota Sienna

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/15

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.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Honda Odyssey is safer than the Toyota Sienna:

Odyssey

Sienna

OVERALL STARS

5 Stars

4 Stars

Driver

STARS

5 Stars

5 Stars

HIC

176

201

Neck Injury Risk

27%

27%

Neck Stress

184 lbs.

260 lbs.

Neck Compression

18 lbs.

50 lbs.

Leg Forces (l/r)

95/82 lbs.

330/307 lbs.

Passenger

STARS

5 Stars

4 Stars

HIC

247

413

Neck Injury Risk

32%

35%

Neck Stress

101 lbs.

218 lbs.

Neck Compression

63 lbs.

80 lbs.

Leg Forces (l/r)

324/302 lbs.

604/305 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 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

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 Honda Odyssey is safer than the Toyota Sienna:

Odyssey

Sienna

Front Seat

STARS

5 Stars

5 Stars

Chest Movement

.5 inches

.6 inches

Abdominal Force

83 G’s

144 G’s

Hip Force

321 lbs.

391 lbs.

Rear Seat

STARS

5 Stars

5 Stars

HIC

125

143

Hip Force

709 lbs.

746 lbs.

Into Pole

STARS

5 Stars

5 Stars

Max Damage Depth

12 inches

17 inches

HIC

369

404

Hip Force

472 lbs.

586 lbs.

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

For its top level performance in IIHS driver-side small overlap frontal, moderate overlap frontal, side impact, rear impact and roof-crush tests, with its optional front crash prevention system, its “Good” rating in the new passenger-side small overlap crash test, and its available headlight’s “Acceptable” rating, the Insurance Institute for Highway Safety grants the Odyssey the rating of “Top Pick” for 2019, a rating granted to only 88 vehicles tested by the IIHS. The Sienna was not even a standard “Top Pick” for 2016.

Reliability

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/15

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

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/15

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

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/15

On the EPA test cycle the Odyssey gets better fuel mileage than the Sienna FWD (19 city/28 hwy vs. 19 city/26 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’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.

Transmission

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A 10-speed automatic is standard on the Honda Odyssey, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the Sienna.

Brakes and Stopping

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The Odyssey stops shorter than the Sienna:

Odyssey

Sienna

70 to 0 MPH

180 feet

181 feet

Car and Driver

60 to 0 MPH

125 feet

128 feet

Motor Trend

Tires and Wheels

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/15

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

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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

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To almost totally eliminate engine vibration in the passenger area, the Odyssey has an electronically controlled liquid-filled main engine mount. 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

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/15

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

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A low lift-over cargo hatch design makes loading and unloading the Odyssey easier. The Odyssey’s cargo hatch lift-over height is 22.5 inches, while the Sienna’s liftover is 23.6 inches.

The Odyssey’s cargo area is larger than the Sienna’s in almost every dimension:

Odyssey

Sienna

Length to seat (3rd/2nd/1st)

25”/56”/91”

23.5”/54”/74”

Max Width

50”

51.5”

Min Width

48”

47.5”

Height

54”

45”

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

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The Odyssey’s power parking brake sets with one touch and releases with one touch or automatically. The Sienna’s parking brake has to released manually.

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.

The Odyssey’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 Sienna’s power lock, power mirror and cruise control switches are unlit, making them difficult to find at night and operate safely.

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.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Honda Odyssey Elite has a standard wireless phone charging system (Qi) in the center console. The Sienna doesn’t offer wireless personal charging.

Economic Advantages

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Insurance will cost less for the Odyssey owner. The Complete Car Cost Guide estimates that insurance for the Odyssey will cost $105 to $1545 less than the Sienna over a five-year period.

According to The Car Book by Jack Gillis, the Odyssey is less expensive to operate than the Sienna because it costs $582 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the Odyssey than the Sienna, including $73 less for a water pump, $228 less for fuel injection, $188 less for a fuel pump, $30 less for front struts and $1034 less for a timing belt/chain.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Honda Odyssey will be $118 to $1059 less than for the Toyota Sienna.

Recommendations

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/15

The Car Book by Jack Gillis recommends the Honda Odyssey, based on economy, maintenance, safety and complaint levels.

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.

J.D. Power and Associates rated the Odyssey first among minivans in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The Sienna isn’t in the top three.

The Honda Odyssey outsold the Toyota Sienna by 21% during 2018.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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