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ProblemsByVin File / 2015-KIA-OPTIMA NHTSA data synced 8 hours ago
2015 · Kia

Kia Optima problems

995 owners have filed defect reports on this one. That's not a small number. 2 active recall campaigns on file.

0 5 10
Reliability score
6.4 / 10

Average for the segment. Some recurring trouble spots worth knowing about.

0
Critical
2
Severe
0
Moderate
Should you avoid this 2015 Optima?
Avoid — the engine

The data says walk unless this exact vehicle has documented proof the engine was repaired or replaced.

Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.

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Top trouble spots 8 categories with 3+ complaints

engine
448 reports · fails ~89,646 mi · avg $3,100
severe
electrical
102 reports · fails ~83,148 mi · avg $850
severe
steering
68 reports · fails ~54,368 mi · avg $700
severe
body
64 reports · fails ~60,534 mi · avg $1,500
severe
brakes
58 reports · fails ~102,472 mi · avg $450
severe
powertrain
48 reports · fails ~76,033 mi · avg $2,500
moderate
cruise control
24 reports · fails ~72,796 mi · avg $600
severe
airbags
22 reports · fails ~78,130 mi · avg $1,100
critical
Buyer's checklist
Going to look at one? Use the pre-purchase inspection list.
Generated from this 2015 Optima's actual NHTSA complaint history — every item points at a documented failure pattern on this exact vehicle, not generic walkaround filler.
See the checklist ->
Honest Calculator
Should you buy an extended warranty on this 2015 Optima?
We pulled the math: risk-weighted exposure, typical contract cost, and our verdict on whether coverage pencils out for this specific vehicle.
See the calculator ->

What owners are saying recent NHTSA-filed complaints · verbatim

2015 Optima · engine
Driving on freeway the car shut off will not start, indicating light aren't reporting any problems
2015 Optima · engine
Granddaughter driving car, when car starting running erratic. Made it home and I check it and car was knocking and would not run over 30 mph. Engine light was flashing, changed oil myself and found medal particular in oil and filter. Motor is no longer safe to drive. Only has…
2015 Optima · engine
I am writing because my vehicle was a waiting list for months since September 2020 in Mobile, AL at Dean McCrary Kia. I called daily to check the status of my vehicle. I took extended lunch breaks to check on my status of the waiting list. The customer service representatives…
2015 Optima · engine
As I was driving in the fwy I hear noise and exit to check what was wrong. No lights or warning of what the issue might be. Turned off the car open the hood of the car and saw nothing wrong with it I turned it back on and the noise went away. About 2 week after I was exiting…
View all 995 owner complaints →
Had a problem with your 2015 Kia Optima? File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

0 mi 200k mi
At 80,000 miles
Likely repair cost in next 24 months
$0

Active recalls showing 2 of 2

severe NHTSA 20V519000 August 27, 2020

Kia Motors America (Kia) is recalling certain 2013-2015 Optima and 2014-2015 Sorento vehicles

If the HECU short circuits, there is an increased risk of an engine compartment fire.

Fix: Kia will notify owners, and dealers will inspect the HECU for leaking brake fluid and replace the HECU if necessary, free of charge. Owners are advised to park outside and away from other vehicles and structures until the recall repair is completed. The recall began October 20, 2020. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC197.
severe NHTSA 21V331000 May 10, 2021

Kia Motors America (Kia) is recalling certain 2013-2015 Optima and 2014-2015 Sorento vehicles previously recalled under recall 20V-519

An electrical short in the HECU increases the risk of a fire while parked or driving.

Fix: Owners are advised to park outside and away from other vehicles and structures until the recall repair is completed. Dealers will install a new multi-fuse, and inspect the HECU for leaks, replacing the HECU if necessary, free of charge. Owner notification letters were mailed on July 2, 2021. This recall supersedes previous NHTSA recall number 20V-519. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC212.

Under investigation 1 open at NHTSA

AQ Service Brakes, Hydraulic › Antilock/Traction Control/Electronic Limited Slip · opened November 2023

NHTSA has an open defect investigation covering this vehicle — the step that can precede a recall, not a finding of fault. AQ23002 on NHTSA →

How NHTSA investigations work, and what's open now →

Common questions

Is the 2015 Kia Optima reliable?

It's got known weak points. With a reliability score of 6.4 out of 10 based on 995 owner complaints filed with NHTSA, the 2015 Kia Optima has a higher-than-average rate of reported issues. The areas to watch are listed above. Whether it's worth owning depends on price, condition, and how much repair exposure you can absorb.

Should you avoid the 2015 Kia Optima?

On the NHTSA data, the 2015 Kia Optima is one to avoid unless a specific vehicle proves otherwise. The data says walk unless this exact vehicle has documented proof the engine was repaired or replaced. The record behind that call: 28 fire-related complaints and 4 crash-related complaints on the engine; Electrical system: 102 complaints, classified severe, failures cluster 52,000–101,000 mi; Reliability score 6.4/10 — around the segment average; 2 recall campaigns on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.

What's the most common problem on the 2015 Kia Optima?

Based on NHTSA records, the most-reported issue is engine, with 448 complaints filed. Typical failure occurs around 89,646 miles. Average repair cost runs about $3,100 at an independent shop.

What's the most expensive thing that goes wrong?

The airbags is one of the costlier repair items. Average repair cost runs about $1,100 at an independent shop. Typical failure occurs around 78,130 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Kia Optima has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2015 Kia Optima?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 995 complaints on file and the costliest repair averaging $1,100, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.

Related

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 8 hours ago. Verify the raw federal record at nhtsa.gov/vehicle/2015/Kia/Optima. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with Kia. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
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