2020 Kia Sedona: Recalls, Problems & MPG
Here are the deets on the 2020 Kia Sedona: 1 recall, 20 owner complaints and up to 21 mpg combined.
Recalls
1 vehicle recall from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Electrical Vehicle recall #20V399000 · 2020 · 5,385 vehicles
What's wrong: The battery positive (b+) terminal nut on the alternator May not have been tightened properly during assembly, possibly causing it to loosen over time.
Why it matters: If the alternator b+ terminal nut loosens, electrical arcing May result, increasing the risk of a fire.
The fix: Kia will notify owners, and dealers will inspect the alternator b+ terminal nut, tightening it as necessary, free of charge. The recall began August 14, 2020.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.
What owners describe
- Engine (5): the most common themes are warning light on (5), leaks (2).
- Body & structure (5): the most common themes are door / lock issues (3).
- Other / unknown (3): no single recurring theme in the descriptions.
- Electrical (3): the most common themes are warning light on (3), electrical failure (2).
The 2020 Kia Sedona has 20 owner complaints, ranking #18 of 20 Sedona model years for complaints (well below the 121 average). Complaints peaked in 2025 (6 filed that year). The typical problem showed up when the car was about 4 years old, at a median of 65,245 miles. Neighboring years: 2019 (38 complaints, 2 recalls), 2021 (9 complaints, 0 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.3 L 6-cyl | Automatic (S8) | Front-Wheel Drive | 18 | 24 | 21 | Regular |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2020 Kia Sedona.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
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FAQ
Does the 2020 Kia Sedona have any recalls?
Yes. NHTSA lists 1 vehicle recall for the 2020 Kia Sedona. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2020 Kia Sedona problems?
Owners have filed 20 complaints with NHTSA. The most-reported areas are engine (5), body & structure (5), other / unknown (3).
What gas mileage does the 2020 Kia Sedona get?
EPA ratings run up to 21 mpg combined (3.3 L, Automatic (S8)), across 1 engine and transmission combos.
Where can I get a 2020 Kia Sedona repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.