Is the 2021 Kia SEDONA reliable?

The 2021 Kia SEDONA has 15 complaints filed with NHTSA (0.2x the segment average). Our reliability verdict: excellent. Most common issue: DRIVER ASSIST/CAMERAS problems.

What are common problems with the 2021 Kia SEDONA?

Top problems: DRIVER ASSIST/CAMERAS (3 complaints, avg repair $500); SPEED CONTROL (2 complaints, avg repair $500); OTHER (2 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2021 Kia SEDONA?

No recalls have been issued for the 2021 Kia SEDONA.

How much does it cost to fuel a 2021 Kia SEDONA?

The 2021 Kia SEDONA 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 2021 Kia SEDONA?

Estimated US average full-coverage insurance for the 2021 Kia SEDONA is approximately $1,504/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.

2021 Kia SEDONA

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2021 Kia SEDONA has 15 owner complaints filed with NHTSA — that's 0.2x the segment average of 62. The most common issue is driver assist/cameras problems (20% of all complaints), specifically: date of incident: 22 apr 2021, thursday description of incident: while driving on cruise control at 45 mph on a well-paved two-lane road with no other vehicles or obstacles present in either lane, the vehicle suddenly automatically decelerated sharply, causing the front end to plunge. simultaneou.

3 crash reports 2 injuries

Total Complaints

Recalls Issued

5/5

Safety Stars

0.2x

vs Segment Avg

Known Problems(top 5 of 8)

DRIVER ASSIST/CAMERAS

3 complaints

20%

• DATE OF INCIDENT: 22 APR 2021, THURSDAY DESCRIPTION OF INCIDENT: WHILE DRIVING ON CRUISE CONTROL AT 45 MPH ON A WELL-PAVED TWO-LANE ROAD WITH NO OTHER VEHICLES OR OBSTACLES PRESENT IN EITHER LANE, THE VEHICLE SUDDENLY AUTOMATICALLY DECELERATED SHARPLY, CAUSING THE FRONT END TO PLUNGE. SIMULTANEOU
• DATE OF INCIDENT: 22 APR 2021, THURSDAY DESCRIPTION OF INCIDENT: WHILE DRIVING ON CRUISE CONTROL AT 45 MPH ON A WELL-PAVED TWO-LANE ROAD WITH NO OTHER VEHICLES OR OBSTACLES PRESENT IN EITHER LANE, THE VEHICLE SUDDENLY AUTOMATICALLY DECELERATED SHARPLY, CAUSING THE FRONT END TO PLUNGE. SIMULTANEOU
• We purchased a brand-new 2021 Kia Sedona in 2021. Since January, we’ve been experiencing an intermittent but serious issue where the vehicle refuses to accelerate or shift beyond a certain point. This issue has put us in dangerous situations multiple times. One incident occurred while crossing a f

Typical onset: 50K miles Est. repair: $500

“DATE OF INCIDENT: 22 APR 2021, THURSDAY DESCRIPTION OF INCIDENT: WHILE DRIVING ON CRUISE CONTROL AT 45 MPH ON A WELL-PAVED TWO-LANE ROAD WITH NO OTHER VEHICLES OR OBSTACLES PRESENT IN EITHER LANE, THE VEHICLE SUDDENLY AUTOMATICALLY DECELERATED SHARPLY, CAUSING THE FRONT END TO PLUNGE. SIMULTANEOU”

— NHTSA complaint filing

Fuel Cost Calculator for 2021 Kia SEDONA

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)

$2,667/yr

Highway driving (best-case MPG)

$2,001/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 2021 Kia SEDONA

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

$1,504

Full coverage / month

$125

Liability only / year

$559

vs US avg

-10%

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 age1.05x

= Full coverage estimate$1504

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

Maintenance & Warranty

Recommended Kia SEDONA Service Intervals

Oil change

8K mi / 12 mo

Tire rotation

8K mi

Brake fluid

24 months

Transmission fluid

60K mi

Engine coolant

60K mi

Spark plugs

90K mi

Cabin air filter

15K mi

Engine air filter

30K mi

Differential (AWD/4WD)

60K mi

Turbo engines (Optima 2.0T, Sorento 2.5T) may benefit from more frequent oil changes.

"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.

Kia New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

5 yr / 60K mi

Powertrain

10 yr / 100K mi

Hybrid/EV battery

10 yr / 100K mi

Corrosion (rust perforation)

5 yr / 100K mi

Roadside assistance

5 yr / 60K mi

10 year powertrain not transferable to subsequent owners

These are the terms for a new Kia. If you're buying a used 2021 SEDONA, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Kia dealer for VIN-specific remaining warranty.

Estimated Repair Costs

DRIVER ASSIST/CAMERAS(~50K mi)

$500

SPEED CONTROL(~50K mi)

$500

OTHER(~50K mi)

$500

TIRES(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

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

🔍 Pre-Purchase Inspection Checklist

Based on 15 owner complaints for this specific year, here's what to check or ask about:

☐
DRIVER ASSIST/CAMERAS: DATE OF INCIDENT: 22 APR 2021, THURSDAY DESCRIPTION OF INCIDENT: WHILE DRIVING ON CRUISE CONTROL AT 45 MPH ON A WELL-PAVED TWO-LANE ROAD WITH NO OTHER VEHICLES OR OBSTACLES PRESENT IN EITHER LANE, THE VEHICLE SUDDENLY AUTOMATICALLY DECELERATED SHARPLY, CAUSING THE FRONT END TO PLUNGE. SIMULTANEOU
Typically appears around 50K miles. Repair cost ~$500
☐
SPEED CONTROL: DATE OF INCIDENT: 22 APR 2021, THURSDAY DESCRIPTION OF INCIDENT: WHILE DRIVING ON CRUISE CONTROL AT 45 MPH ON A WELL-PAVED TWO-LANE ROAD WITH NO OTHER VEHICLES OR OBSTACLES PRESENT IN EITHER LANE, THE VEHICLE SUDDENLY AUTOMATICALLY DECELERATED SHARPLY, CAUSING THE FRONT END TO PLUNGE. SIMULTANEOU
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: Vehicle is easily stolen, and is a safety risk for others. Kia's are getting stolen at an alarming rate and should be recalled! Not only are they getting stolen but they pose a major safety risk because the people stealing them are crashing them, running from police, etc. Damage to my own property a
Typically appears around 50K miles. Repair cost ~$500
☐
TIRES: The contact owns a 2021 Kia Sedona equipped with Kumho Tires, Tire Line: Crugen, Tire Size :235/65/R17, DOT Number: (N/A). The contact stated that while driving 80 MPH, there was an abnormal vibration coming from the tires. The vehicle was taken to an independent mechanic to be diagnosed. The contac
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)