Is the 2020 Toyota SIENNA reliable?

The 2020 Toyota SIENNA has 48 complaints filed with NHTSA (0.2x the segment average). Our reliability verdict: excellent. Most common issue: FUEL SYSTEM problems.

What are common problems with the 2020 Toyota SIENNA?

Top problems: FUEL SYSTEM (8 complaints, avg repair $500); TRANSMISSION (8 complaints, avg repair $500); ELECTRICAL (6 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2020 Toyota SIENNA?

Yes, there are 2 recall(s): FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP, STEERING. Contact any Toyota dealer to verify if recalls have been completed on your specific vehicle.

How much does it cost to fuel a 2020 Toyota SIENNA?

The 2020 Toyota SIENNA gets 21 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $2286. See the interactive fuel cost calculator on this page for state-specific pricing.

How much does it cost to insure a 2020 Toyota SIENNA?

Estimated US average full-coverage insurance for the 2020 Toyota SIENNA is approximately $1,432/year (minivan class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2020 Toyota SIENNA

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2020 Toyota SIENNA has 48 owner complaints filed with NHTSA — that's 0.2x the segment average of 207. The most common issue is fuel system problems (17% of all complaints), specifically: tl* the contact owns a 2020 toyota sienna. the contact stated that while driving at various speeds, the vehicle intermittently jerked and lunge forward while the accelerator pedal was depressed. there was no warning. the contact then received notification of nhtsa campaign number: 20v682000 (fuel sy. There are 2 recalls issued for this model year. ⚠️ 3 fire reports filed.

3 fire reports

Total Complaints

Recalls Issued

5/5

Safety Stars

0.2x

vs Segment Avg

Known Problems(top 5 of 8)

FUEL SYSTEM

8 complaints

17%

• TL* THE CONTACT OWNS A 2020 TOYOTA SIENNA. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE INTERMITTENTLY JERKED AND LUNGE FORWARD WHILE THE ACCELERATOR PEDAL WAS DEPRESSED. THERE WAS NO WARNING. THE CONTACT THEN RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V682000 (FUEL SY
• TL* THE CONTACT OWNS A 2020 TOYOTA SIENNA. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V682000(FUEL SYSTEM, GASOLINE) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. ED MORSE DELRAY TOYOTA(2800 S FEDERAL HWY, DELRAY BEACH, FL 33483) WAS CONTACTED AND IT WAS CONFIRMED THA
• THIS VEHICLE IS OWNED BY EMORY UNIVERSITY. EMORY UNIVERSITY WAS NOTIFIED LAST YEAR (OCTOBER) THAT THE LOW PRESSURE FUEL PUMP MAY STOP OPERATING. TO DATE, THERE HAS BEEN NO REPAIR OFFERED BY TOYOTA. 2020 TOYOTA SIENNA AS SUCH EMORY UNIVERSITY WILL NOT LET US OPERATE IT UNTIL IT HAS BEEN REPAIRED.

Typical onset: 50K miles Est. repair: $500🔥 1 fire reports

“TL* THE CONTACT OWNS A 2020 TOYOTA SIENNA. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE INTERMITTENTLY JERKED AND LUNGE FORWARD WHILE THE ACCELERATOR PEDAL WAS DEPRESSED. THERE WAS NO WARNING. THE CONTACT THEN RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V682000 (FUEL SY”

— NHTSA complaint filing

When Problems Appear on the 2020 Toyota SIENNA

Based on 12 owner complaints that included an odometer reading. Median mileage at time of complaint: 8K miles. Most complaints cluster in the 0-30K miles range.

Overall complaint distribution by mileage

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.

Recalls (2)

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP04/11/2020

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, 2018-2019 Lexus NX300 vehicles. The low-pressure fuel pump inside the fuel tank may fail.

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 expansion of recall 20V-012. Toyota's number for this recall is 20TA02. Lexus' number for this recall is 20LA01.

Fuel Cost Calculator for 2020 Toyota SIENNA

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$2,286

Per month

$191

Per mile

19.1¢

MPG

City driving (worst-case MPG)

$2,527/yr

Highway driving (best-case MPG)

$1,847/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today

Show:

Current

$4.00

5-year low

$2.78

5-year high

$5.01

Since 2021

+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2020 Toyota SIENNA

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$1,432

Full coverage / month

$119

Liability only / year

$559

vs US avg

-14%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (minivan)0.91x

× theft risk1.00x

× safety rating0.94x

× vehicle age1.00x

= Full coverage estimate$1432

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Toyota SIENNA Service Intervals

Oil change

10K mi / 12 mo

Tire rotation

5K mi

Brake fluid

30 months

Transmission fluid

60K mi

Engine coolant

100K mi

Spark plugs

120K mi

Cabin air filter

30K mi

Engine air filter

30K mi

Differential (AWD/4WD)

60K mi

0W-20 synthetic oil recommended. ToyotaCare covers first 2 years / 25K miles of scheduled maintenance for new vehicles. Hybrid battery: 10 yr / 150K miles warranty.

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Toyota New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

3 yr / 36K mi

Powertrain

5 yr / 60K mi

Hybrid/EV battery

10 yr / 150K mi

Corrosion (rust perforation)

5 yr / unlimited mi

Roadside assistance

2 yr / 25K mi

Hybrid battery is 10yr/150K miles for 2020+ hybrids. ToyotaCare (2yr/25K miles complimentary maintenance) is included.

These are the terms for a new Toyota. If you're buying a used 2020 SIENNA, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Toyota dealer for VIN-specific remaining warranty.

Estimated Repair Costs

FUEL SYSTEM(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

ENGINE(~50K mi)

$500

OTHER(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 48 owner complaints for this specific year, here's what to check or ask about:

☐
FUEL SYSTEM: TL* THE CONTACT OWNS A 2020 TOYOTA SIENNA. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE INTERMITTENTLY JERKED AND LUNGE FORWARD WHILE THE ACCELERATOR PEDAL WAS DEPRESSED. THERE WAS NO WARNING. THE CONTACT THEN RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V682000 (FUEL SY
Typically appears around 50K miles. Repair cost ~$500
☐
TRANSMISSION: PURCHASED RENTAL PROGRAM VEHICLE AND IMMEDIATELY HAD VEHICLE SERVICED AT THE DEALERSHIP. RECEIVED A PHONE CALL FROM SERVICE ADVISOR THAT AUTOMOTIVE TECHNICIAN HAD FOUND A MECHANICAL PROBLEM. IT WAS STATED THAT A HOSE HAD COME LOOSE/APART IN THE AXLE AND FLUID WAS LEAKING. NOW, WE HAD PURCHASED VEHI
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: DEAR TO WHO CONCERN THIS CASE, ON AUGUST 26, 2019, I PURCHASED A BRAND NEW CAR, SIENNA, TOYOTA 2020 FROM PRINCIPLE TOYOTA ON 7370 WINCHESTER RD, MEMPHIS, TENNESSEE 38125. I DISCOVERED THAT THERE ARE MAJOR ISSUES WITH THE CAR. I WAS GUARANTEED BY THE DEALER THAT THE CAR IS IN PERFECT WORKING CO
Typically appears around 50K miles. Repair cost ~$500
☐
ENGINE: WHILE DRIVING ON HWY, SUDDENLY ENGINE LIGHT CAME ON. ALSO I LOST ACCELERATION. WHEN I PRESS GAS PEDAL NO RESPONSE FROM CAR. VEHICLE WAS SLOWING DOWN SO PULLED INTO GAS STATION. WHEN I STOPPED THE CAR, ENGINE LIGHT WAS STILL ON, TRACTION LIGHT CAME ON AND STEERING SYSTEM LIGHT CAME ON. ALSO ENGINE
Typically appears around 50K miles. Repair cost ~$500
☐
RECALLS: Verify all 2 recalls have been completed — free at any Toyota dealer
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)