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2020 Toyota Sienna

Gas

Minivan - 2WD
2 EPA-rated configurations
Data refreshed 2026-10-26

Safety Signal

78 / 100 from the NHTSA recall record

Recalls1 critical 2

Complaints1 fire reported 38

Crash ratingNHTSA overall 5★

Fuel economybest combined, EPA 21 mpg

2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016

The 2020 Toyota Sienna is sold in the U.S. as a gas minivan with 2 EPA-rated configurations. The most efficient version, the Sienna 2WD, is EPA-rated at 21 mpg combined. NHTSA lists 2 recall campaigns for this model year, 1 rated critical, which gives it a Safety Signal grade of C. Owners have filed 38 complaints, most often about the fuel/propulsion system. NHTSA crash-tested it at 5 stars overall.

Toyota Sienna — photograph via Wikimedia Commons — Toyota Sienna · Photo: OWS Photography · CC BY 4.0 · Wikimedia Commons

Specs & fuel economy

Source: EPA fueleconomy.gov

Configuration	Powertrain	Drive	Engine / motor	City	Hwy	Comb	Annual fuel*
Sienna 2WD	Gas	FWD	3.5L 6-cyl	19	26	21	$3,200
Sienna AWD	Gas	AWD	3.5L 6-cyl	18	24	20	$3,350

*EPA estimate at 15,000 miles/year at EPA reference fuel and electricity prices. fueleconomy.gov record ids: 41386, 41387.

Emissions & certification

Source: EPA emission certificates

Configuration	Smog rating	Emission standard	Where it can be sold new	SmartWay
Sienna 2WD, Sienna AWD	5 / 10	California LEV-III ULEV70 / Federal Tier 3 Bin 70	All 50 states (federal, all altitudes); California and states following California standards	—

Certified for all fifty states, so it can be registered new anywhere in the U.S.

The smog rating scores tailpipe pollutants other than greenhouse gases, 1 (worst) to 10 (best), and is comparable only within a model year. The standard is the federal bin or California tier the configuration was certified to. Both come from the EPA certificate behind the window sticker.

Specifications filed with NHTSA

Source: NHTSA vPIC

Dimensions Exterior

Body style	Minivan
Doors	5
GVWR class	Class 1D: 5,001 - 6,000 lb (2,268 - 2,722 kg)

Engine Basics

Cylinders	6
Displacement	3.5 L
Engine configuration	V-Shaped

Engine Output

Horsepower

296 hp

Fuel Economy

Fuel	Gasoline

Seating

Seat rows	2
Seating capacity	7 seats

Transmission

Drivetrain	4WD/4-Wheel Drive/4x4
Transmission	Automatic
Transmission speeds	8

Driver assistance

Standard: Adaptive cruise control, Anti-lock brakes, Automatic emergency braking, Backup camera, Electronic stability control, Forward collision warning, Lane departure warning, Lane keeping assist, Pedestrian automatic emergency braking

Filed by the manufacturer with NHTSA under the federal vehicle-identification rule and decoded from the VIN pattern — not a manufacturer press kit, so it describes the configurations we could identify rather than every trim (seen: D grade, E grade, Q grade, S grade). Figures for the trim you are looking at may differ.

Dimensions & weight

Source: Transport Canada

Length	200.0 in
Width (body, without mirrors)	78.0 in
Height	70.9–71.3 in
Wheelbase	119.3 in
Track, front	67.7 in
Track, rear	67.7 in
Curb weight	4,431–4,663 lb
Weight distribution, front/rear	56/44 to 57/43

Measured by Transport Canada for its Canadian Vehicle Specifications database, which covers the North American versions of each model — here 3 configurations: AWD V6, Base/Le FWD, Se/Limited FWD. Where a range is shown, those versions differ. Width is the body without mirrors, which is why it can read narrower than a brochure figure. Before we used it we checked it against the US manufacturer press kits we hold (27 Sep 2026): wheelbase agreed within 1% on every vehicle we could compare, length on 98%, and the curb weight fell inside the manufacturer's range on 96%. Source dataset. Contains information licensed under the Open Government Licence – Canada. Licence.

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Recalls (2)

Source: NHTSA recall database

▲high

Fuel System, Gasoline

20TA02, 20LA01

1,525,742 vehicles 92% reported repaired

Problem Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 Tacoma, 2019-2020 RAV4, 2019-2020 Sequoia, 2017-2020 Sienna, 2019-2020 Tundra, 2018-2020 Lexus ES350, 2017 Lexus GS200t, 2017-2019 Lexus GS350, 2019 Lexus GS300, 2018-2020 Lexus LC500h, 2019-2020 Lexus LS500, 2018-2019 Lexus GX460, 2017 Lexus IS200t, 2019 Lexus IS300, 2019 Lexus IS350, 2018-2020 Lexus LC500, 2018 Lexus LS500, 2019 Lexus LS500h, 2018-2019 Lexus LX570, 2017 Lexus RC200t, 2019 Lexus RC300, RC350, 2017 and 2019-2020 Lexus RX350, 2018-2020 RX350L, 2019 Lexus UX200, Risk If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash. Fix Toyota will notify owners, and dealers will replace the fuel pump assembly with an improved one, free of charge. Owners of specific models were notified that remedy parts were available starting January 21, 2021. Owners of other models will be notified as remedy parts become available. Remedy parts should be available for all affected vehicles by late March 2021. Owners may contact Toyota customer service at 1-888-270-9371 or Lexus customer service at 1-800-255-3987. Note: This recall is an

Filed with NHTSARemedy instructions PDF

NHTSA campaign 20V682000 reported Nov 4, 2020 Toyota Motor Engineering & Manufacturing the full filing, and every vehicle covered →

!critical

Steering

595 vehicles 86% reported repaired built Feb 20, 2019 – Jul 8, 2019

Problem Braun Corporation (Braun) is recalling certain modified 2017-2020 Toyota Sienna vehicles. The steering shaft extensions may have been improperly manufactured, possibly causing the extensions to fracture. Risk If the steering shaft extension completely fractures, it can cause a loss of steering, increasing the risk of a crash. Fix Braun has notified owners, and dealers will replace the steering shaft extensions, free of charge. The recall began July 25, 2019. Owners may contact Braun customer service at 1-800-488-0359.

Filed with NHTSARemedy instructions PDF

NHTSA campaign 19V532000 reported Jul 16, 2019 Braun Corporation the full filing, and every vehicle covered →

These are vehicle campaigns — the ones the automaker filed against this model. NHTSA also records equipment recalls, filed by a parts maker against a component (a tyre, a child seat, an aftermarket part), and those are not listed here or counted above. nhtsa.gov/recalls shows both for a VIN.

Whether any of this applies to one specific Sienna

A campaign covers a build range, not a model year, so two identical-looking cars from 2020 can differ. Both of these check a VIN against the manufacturer’s own list, free, in about ten seconds. Toyota publishes its own lookup because federal rule 49 CFR 573.15 requires it to, and to keep it current to within seven days.

NHTSA VIN check →Toyota’s own VIN lookup →

Hear about a recall before the letter does

The manufacturer’s letter is the last step of a recall: it has up to 60 days after filing to mail owners, at the address on the registration. We email you the day NHTSA posts a recall on the 2020 Toyota Sienna, with what to do next. Nothing else, ever — no newsletter, no marketing, one-click unsubscribe in every message.

Owner complaints

Source: NHTSA complaint database

38complaints filed

0 involved a crash · 1 a fire · 0 injuries · 0 deaths reported

5.4 per 10,000 built · Toyota reported 70,059 Sienna built (its Early Warning production report to NHTSA)

Filed per year: 2019: 1 · 2020: 4 · 2021: 8 · 2022: 4 · 2023: 5 · 2024: 6 · 2025: 4 · 2026: 6

Most-cited components

Fuel/Propulsion System 8

Power Train 8

Electrical System 7

Engine 6

Unspecified 6

Structure 4

In owners' own words

Filed with NHTSA by the people who own these cars, one per problem area. Quoted as written, with anything identifying removed.

Hinge rust on fuel door causing it to break and not let rear passenger door auto open (because switch won't make up) hinge is very weakly built

Structure Aug 11, 2024 NHTSA owner report · ODI 11607833

Spontaneous and random: Blinkers come on, radio volume goes up or down when turning the other way, CarPlay USB shuts off and on, hiccups when accelerating (when ECO kicks on/in)…everything points to an electrical/computer issue. Purchased used from a dealership and noticed these issues after the 3-day return window

Electrical System Apr 5, 2024 NHTSA owner report · ODI 11581325

The brake peddle is too small, it feels like my foot is going to come off of it or miss it. Some time's I lose a second or two trying to locate it with my foot, very frightening, and dangerous Every vehicle I have ever owned had a brake peddle twice that size. Yes it's a mini van, but the brake peddle does not need to be mini.

Service Brakes Aug 22, 2023 NHTSA owner report · ODI 11539977

My car was not shifting gears, and it would go into brief periods of erratic acceleration. I took it to the dealer service dept. The transmission went bad. It had metal pieces broken off inside it. The car is 3 years old and only has approximately 70,900 miles on it. It was dangerous to drive.

Power Train Jul 11, 2023 NHTSA owner report · ODI 11531570

The van has been periodically hesitating, rough idles, and when parked the rpm revs. On 9/13/22, the van was shaking, hesitating, and would not accelerate. It was undrivable and had to be towed. We took it to Toyota of Irving where they charged us $725 to flush the gas and clean the fuel injection system.

Fuel/Propulsion System Sep 15, 2022 NHTSA owner report · ODI 11484734

Engine stalled in heavy traffic after full stop at red light. No warning lights. Managed to pull off the road. Still no warning lights. Turned engine off then started normally. Drove to destination normally. After about one hour parked started engine but it stumbled on and off for the next few minutes but did not die. Has not reoccurred.

Engine Mar 19, 2022 NHTSA owner report · ODI 11457450

Complaint counts are raw owner reports to NHTSA, not verified defects, and scale with how many were sold. Use them to spot patterns, not to rank.

Reported by Toyota itself: 31 death-or-injury claims on this model year in its quarterly Early Warning reports to NHTSA (49 CFR 579.21): 5 killed, 45 injured, as claimed, not verified — about 44 per 100,000 built. Every Sienna model year, by year and system → Dated and by system, they are exhibit F of the defect dossier.

Crash ratings

Source: NHTSA NCAP

Configuration	Overall	Frontal	Side	Rollover	Rollover risk
VAN AWD	★★★★★	★★★★☆	★★★★★	★★★★☆	14%
VAN FWD	★★★★★	★★★★☆	★★★★★	★★★★☆	14%

NHTSA New Car Assessment Program. Standard driver-assist: forward collision warning, lane departure warning, automatic emergency braking.

Service bulletins & campaigns

Source: NHTSA manufacturer communications

Communicationsfiled with NHTSA 153

Most recentmanufacturer date 2026-01-30

Kindsas classified by NHTSA 152 service bulletins, 1 service campaign

Most often about: Equipment, Electrical System, Structure, Engine, Back Over Prevention.

T-SB-0106-22 Rev2 Service bulletin
2026-01-30 · Electrical System
OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.
T-SB-0001-26 Service bulletin
2026-01-28 · Electrical System
Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software.
T-SB-0055-24 Rev2 Service bulletin
2026-01-07 · Unknown Or Other
Some 2005 – 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Service Bulletin is to provide general guidelines and procedures for odor remediation. This Service Bulletin provides a guide on how to prepare and treat the interi
T-SB-0058-23 Rev1 Service campaign
2025-06-13 · Electrical System
The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.
T-TT-0780-25 Service bulletin
2025-04-02 · Electrical System
To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
T-SB-0106-22 Rev2 Service bulletin
2025-02-11 · Electrical System
Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update, however, the process for generating license keys differs from previous generations.
T-SB-0039-24 Rev2 Service bulletin
2024-12-06 · Structure — Body
The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicle surface, especially the horizonal areas of the hood, roof, and decklid, significant damage can occur. This damage is the result of actual etching of the paint
T-SB-0035-24 Rev2 Service bulletin
2024-12-06 · Structure — Body
Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood, roof, and decklid, significant damage to the painted surfaces can occur. Acid rain damage can typically be identified on vehicles by the presence of stains on

A service bulletin is the manufacturer telling its dealers how to diagnose or repair a known condition. It is not a recall, not a finding that the vehicle is defective, and the work is not automatically free — though a bulletin is often what a dealer works from when you describe a symptom, so quoting the document number can save a diagnosis. The count is every communication filed; the list shows the most recent, one entry per campaign, because a single campaign is usually filed as several documents on the same day. The summaries are NHTSA's; the full documents come from the manufacturer.

Diagnostic trouble codes on file

Source: NHTSA manufacturer communications and complaints

Codes documented against this model year in the federal record. A code appearing here does not mean this vehicle will set it — it means the code is part of this nameplate-year's documented history.

Code	What it means	Most often filed under	Where it appears
B1321 B1321 on Toyota →	Manufacturer-defined — the meaning is set by the automaker, not the standard.	Back Over Prevention	5 bulletins
B15FE B15FE on Toyota →	Manufacturer-defined — the meaning is set by the automaker, not the standard.	Back Over Prevention	5 bulletins

Generic codes (the second character is 0 or 2) mean the same thing on every vehicle sold in the United States. Manufacturer-specific codes (1 or 3) mean whatever the automaker assigned, and no honest source can define them for you — which is why the ones here carry the evidence instead of a definition. A code is a link when enough separate federal documents name it across the catalogue to be worth a page of its own; the rest are listed here, where the vehicle is the context that makes them mean something.

At the New York inspection station

Source: New York State DMV

New York inspections 1.0%

failed emissions

3,413 initial inspections of 3,323 vehicles.

Measure	The 2020 Sienna	Every 2020 vehicle	Behind it
Failed the emissions check	1.0%	2.2%	3,407
Failed the safety inspection	1.8%	1.6%	3,413
Air-bag warning lamp stayed lit	0.12%	0.19%	3,413
Miles driven a year	11,867	9,980	odometer at inspection
Average odometer	74,343	62,630	odometer at inspection

New York’s emissions test on these model years is an on-board diagnostics check: it fails a car whose check-engine light is on or whose self-tests have not finished. First inspections only, so a car that failed and came back is counted once; private and special plates, not taxis, livery or commercial plates. A rate appears only where at least 200 inspections stand behind it. “Every 2020 vehicle” is every 2020 model-year car, SUV and pickup inspected in the same window, all makes. This is the state’s record of test results, not a reliability score by itself. Source: New York State Department of Motor Vehicles, Vehicle Inspections (data.ny.gov, Open NY terms).

Sienna by model year

all years, side by side →

Year Safety Recalls Complaints

2026 A 0 18 36 mpg 2025 C 5 267 36 mpg 2024 C 3 69 36 mpg 2023 B 2 71 36 mpg 2022 C 4 22 36 mpg 2021 C 4 45 36 mpg 2020 this page C 2 38 21 mpg 2019 D 7 45 22 mpg 2018 F 7 72 22 mpg 2017 F 10 156 22 mpg 2016 C 5 76 21 mpg

Common questions about the 2020 Sienna

Source: EPA, NHTSA and manufacturer press kits

Does the 2020 Toyota Sienna have any recalls?

NHTSA has posted 2 recall campaigns for the 2020 Toyota Sienna, 1 of them rated critical. The most serious on file is 19V532000, covering Steering. Check your own VIN at nhtsa.gov/recalls; a recall applies to specific build ranges, not every car.

How safe is the 2020 Toyota Sienna?

NHTSA gave the 2020 Toyota Sienna 5 stars overall in its New Car Assessment Program tests — 4-star frontal crash, 5-star side crash, 4-star rollover. WhichTrim also grades it C (78/100) on its recall record, which is a different question from crash protection.

What is the fuel economy of the 2020 Toyota Sienna?

Across the 2 EPA-rated configurations of the 2020 Toyota Sienna, the best EPA combined figure is 21 mpg. Figures are the EPA's own, per configuration, and every one is listed above.

What are the dimensions of the 2020 Toyota Sienna?

Transport Canada measured it at 200.0 in long, 78.0 in wide (body, without mirrors), 70.9–71.3 in tall, on a 119.3 in wheelbase. Curb weight: 4,431–4,663 lb depending on configuration. Those are its measurements of the North American versions; every figure is in the table above.

What do owners complain about on the 2020 Toyota Sienna?

Owners have filed 38 complaints with NHTSA about the 2020 Toyota Sienna, most often about fuel/propulsion system, power train, electrical system. Of those, 1 a fire. Complaints are unverified owner reports, so treat the pattern as a signal and the individual report as an anecdote.

How clean is the 2020 Toyota Sienna?

The EPA smog rating for the 2020 Toyota Sienna is 5 out of 10. That score covers tailpipe pollutants other than greenhouse gases, and it only compares vehicles within the same model year. It is certified for all fifty states, so it can be registered new anywhere in the U.S. Its configurations were certified to different standards — California LEV-III ULEV70, Federal Tier 3 Bin 70 — which the table above lists per configuration.

Are there service bulletins for the 2020 Toyota Sienna?

The manufacturer has filed 153 service bulletins and related communications with NHTSA for the 2020 Toyota Sienna, most often covering equipment, electrical system, structure. The most recent is dated 2026-01-30. A bulletin is not a recall: it is the repair procedure a manufacturer sends its dealers for a condition it knows about, and the work is not automatically paid for. It is still worth knowing — if the symptom matches, quoting the bulletin number at the service desk can save a diagnosis. The document numbers and summaries are listed above.

How does the 2020 Toyota Sienna do at state inspection?

In New York’s inspection lanes over the 12 months to Oct 10, 2026, the 2020 Toyota Sienna failed the emissions check on 1.0% of first inspections — lower than the 2.2% for every 2020 model-year vehicle inspected; and the safety inspection on 1.8% (every 2020 vehicle: 1.6%). The figures are New York State DMV’s own inspection records, first inspections only, and the table above sets each one against every vehicle of the same model year.

What we hold, and what an empty row means

Paid vehicle-history reports will not tell you the difference between “nothing happened to this car” and “we never received that record” — both of the big two say as much in their own help pages. Most of what is on this page comes from complete federal registers, so we can tell you which is which, row by row.

Data	Held	Source	What it covers — or what empty means
Fuel economy & configurations	2 configurations	EPA certification records	Every configuration the EPA certified for sale, with its own test figures.
Emission certificates	2 configurations	EPA emission certificates	Smog rating, standard and the sales area that decides where the car can be sold new.
Recalls	2	NHTSA recall campaigns	A complete federal register: every campaign covering this model year, with severity and advisory flags.
Owner complaints	38	NHTSA complaint database	Also complete, but unverified: these are reports owners filed, not findings. Counts scale with how many were sold.
Crash ratings	2 tested	NHTSA NCAP	Only the configurations NHTSA chose to crash-test, which is never all of them.
Service bulletins	153	NHTSA manufacturer communications	Everything the manufacturer told its dealers about a defect or malfunction, short of a recall.
Investigations	none	NHTSA Office of Defects Investigation	No defect investigation has been opened.
Driver-assist crash reports	none	NHTSA Standing General Order 2021-01	No report has been filed. Only entities named in the order report, and only crashes they hear of — so this is also what an unequipped car, or a manufacturer without telematics, looks like.
Specifications filed with NHTSA	13 fields	NHTSA vPIC, decoded from VIN patterns	What the manufacturer filed under the federal VIN rule — a configuration, not the full trim ladder.
Measured dimensions	7 fields	Transport Canada, Canadian Vehicle Specifications	Length, width, height, wheelbase, track and curb weight, measured on the North American versions.
Trims, pricing & equipment	none	Manufacturer press kit	We have not transcribed a press kit for this model year yet. This is our gap, not the manufacturer's — the one row here where an empty cell means we are behind.

Rebuilt nightly; this page was generated 2026-10-26. Every figure above is traceable to the source named beside it, and the JSON for this page carries the same values with their identifiers.

Sources & method

Safety Signal starts every model-year at 100 and subtracts points per open NHTSA recall campaign by severity: critical 15 (fire risk, park-outside or do-not-drive advisories), high 8 (brakes, steering, airbags, loss of drive power, structure, battery), moderate 6, minor 3 (software, labels, lighting fixed by an update). The most serious recall counts in full and each further one counts 85% of the one before, because a vehicle sold in millions is recalled more often than a rare one without being more dangerous — and because a flat subtraction bottomed the scale out, scoring a vehicle with 22 recalls within a point of one with six. A ≥ 90, B ≥ 80, C ≥ 70, D ≥ 60, otherwise F. Read it as what it counts: recall campaigns on the federal record, weighted by severity. The damping reduces the sales bias by roughly 40% but does not remove it: like our complaint counts, this is not normalized by how many were sold, so a best-seller still scores somewhat worse than an obscure model with the same real risk. NHTSA crash ratings, do-not-drive and park-outside advisories, and the crash, fire, injury and death counts in owner complaints are reported separately on every page and never blended into the letter — a vehicle can hold five stars and a poor letter at once, and where that happens we say so rather than leave you to notice. Because the scale subtracts from a clean sheet, a model year too new to have been recalled, complained about or bulletined scores full marks on an empty record; we label those grades provisional rather than present them as earned.

EPA figures come from fueleconomy.gov vehicle records. Recalls, complaints, investigations and crash ratings come from NHTSA's public flat files, refreshed nightly.

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