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2015 Kia Forte: engine and transmission complaints

VERY HIGH COMPLAINT SIGNAL
76%
171 of 225 relevant owner complaints are about the engine, transmission or fuel system

76% of relevant owner complaints filed with NHTSA on the 2015 Kia Forte are about the engine, transmission or fuel system. Well over half of everything owners reported is the drivetrain. That is a severe model-level pattern; every model year we track at this level has a documented failure behind it.

Worse than 96% of the 1,230 model years we track (2010–2023).

Excludes 34 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 66%).

NHTSA data checked September 13, 2026
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Drivetrain complaints
171
engine, transmission, fuel
Total complaints
259
this model year
Fires reported
20
owner-reported
Recall campaigns
1
16 crashes · 11 injuries

Complaints by component

ENGINE157 · 61%
UNKNOWN OR OTHER31 · 12%
ELECTRICAL SYSTEM29 · 11%
AIR BAGS23 · 9%
POWER TRAIN17 · 7%
SERVICE BRAKES16 · 6%

The years either side

2010
57%
100 of 232
2011
57%
69 of 161
2012
73%
189 of 305
2013
72%
128 of 211
2014
63%
227 of 441
2015
76%
171 of 259
2016
68%
78 of 137
2017
70%
172 of 301
2018
58%
68 of 136
2019
64%
85 of 147
2020
50%
34 of 75
2021
48%
29 of 67
2022
38%
8 of 26
2023
30%
16 of 61

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

Cleaner alternatives

Same car, a better year

Other compact cars with no elevated signal in 2015

The percentage is each model year's drivetrain complaint share. No elevated signal describes the model year, not any one car; a well-kept example of a flagged model can still be the right buy, and any of these still needs an inspection.

What owners reported

VEHICLE SPEED CONTROL,ENGINE,FORWARD COLLISION A12/30/20241 INJURED
My car stopped while I was driving and I had a catastrophic engine failure. I had to use my engine warranty and also out of pocket pay. I want to issue a warning to the dealer who sold me this vehicle. And I want a reimbursement because I recently purchased the vehicle/
ENGINE09/10/2026
While driving my 2015 Kia Forte5 at approximately 80 mph on GA-400, I was traveling in the far-left lane when the vehicle suddenly and unexpectedly lost acceleration and engine power. Pressing the accelerator produced little to no response. There was no gradual reduction in speed or sufficient warning that the vehicle …
ENGINE07/12/2026
Recently had oil change . Right after B oil change engine light came on, a solid yellow light car is driving rough it’s a 2015 Kia Forte. Have an appointment Monday 7/13/2026 to have dealer to do a B diagnostic. The same place I had oil change

Three of 171 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.

Recall campaigns on this model year (1)

ENGINE
Kia Motors America (Kia) is recalling certain 2012-2013 Sorento, 2012-2015 Forte and Forte Koup, 2011-2013 Optima Hybrid, 2014-2015 Soul, and 2012 Sportage vehicles. An …

This does not say whether a particular car has an open, unrepaired recall. That depends on the VIN.

Before you buy a 2015 Kia Forte

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Experimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle. Combined across 2 body styles NHTSA files separately.