"How reliable is the 2003 Kia Sedona?"

"Based on 214 NHTSA complaints, the 2003 Kia Sedona has a median complaint mileage of 45000 miles. The most common issue is AIR BAGS."

"What are common problems with the 2003 Kia Sedona?"

"The most frequently reported component in NHTSA complaints for the 2003 Kia Sedona is AIR BAGS, accounting for a significant portion of the 214 total complaints filed."

2003 Kia Sedona: Reliability Data

Source: NHTSA — 214 complaints

214

Total Complaints

45,000mi

Median Mileage

AIR BAGS

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

20,500 25th Percentile

45,000 Median Mileage

93,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS

ELECTRICAL SYSTEM

TIRES

ENGINE AND ENGINE COOLING

SERVICE BRAKES, HYDRAULIC

SEAT BELTS

VEHICLE SPEED CONTROL

ENGINE AND ENGINE COOLING:ENGINE

WHEELS

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"I HURT MY BACK TRYING TO REMOVE THE "REMOVABLE" REAR SEATS IN MY 2003 KIA SEDONA. THE SEATS ARE NOT ONLY VERY HEAVY, BUT THE REARWARD JERKING MOTION RECOMMENDED BY MY DEALER TO REMOVE THE SEAT OFTEN FAILS TO DISENGAGE THE SEAT, CAUSING BACK INJURY. MY DEALER TOLD ME THE SPECIFIC SEATS I HAVE ARE NOT..."

"THE ACCELERATOR PEDAL BECAME STUCK.SCC *JB"

"AIR IN THE BRAKE LINE CAUSED THE BRAKES TO FAIL WITHOUT WARNING. THE LINES WERE SERVICED BUT THE PROBLEM RECURRED. *NLM"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

AIR BAGS 20 complaints

25th: 52,426 mi Median: 96,283 mi 75th: 117,500 mi

ELECTRICAL SYSTEM 20 complaints

25th: 38,713 mi Median: 65,000 mi 75th: 136,750 mi

TIRES 9 complaints

25th: 34,000 mi Median: 43,000 mi 75th: 48,765 mi

ENGINE AND ENGINE COOLING 9 complaints

25th: 56,875 mi Median: 61,750 mi 75th: 84,500 mi

SERVICE BRAKES, HYDRAULIC 8 complaints

25th: 12,000 mi Median: 34,000 mi 75th: 38,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

NY: 21 FL: 20 GA: 16 CA: 13 NJ: 12 IL: 12 WA: 11 MD: 10 OH: 10 NC: 9

Who Files Complaints?

46.3%

Original Owners

53.7%

Second+ Owners

Kia Sedona — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
2002	327	46,876	ELECTRICAL SYSTEM	26
2004	226	42,000	WHEELS	12
2005	272	15,522	SERVICE BRAKES, HYDRAULIC	39
2006	577	77,000	AIR BAGS	18
2007	234	78,500	ELECTRICAL SYSTEM	8
2008	246	54,000	ELECTRICAL SYSTEM	5
2009	75	62,290	ELECTRICAL SYSTEM	5
2010	48	75,000	SERVICE BRAKES	7
2011	82	69,648	ELECTRICAL SYSTEM	6
2012	141	69,553	ELECTRICAL SYSTEM	8
2014	54	53,000	ELECTRICAL SYSTEM	2
2015	170	55,500	ENGINE	3
2016	358	59,750	ENGINE	20
2017	172	36,000	ENGINE	4
2018	60	14,375	ENGINE	3
2019	41	5,000	ENGINE	2
2020	25	65,245	ENGINE	0

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28