Reliability, what owners report, and what it costs to keep.
AVOIR's read: a solid ownership case with specific caveats below.
Owners have filed 48 complaints with NHTSA about the 2015 Kia Cadenza, and it carries 2 recalls. These are owner allegations rather than confirmed defects, but the pattern of what people complain about is the most useful signal a used buyer has.
| Area | Complaints | Share |
|---|---|---|
| Engine | 9 | 19% |
| Electrical system | 6 | 13% |
| Unknown or other | 6 | 13% |
| Visibility | 5 | 10% |
| Structure | 3 | 6% |
| Service brakes | 2 | 4% |
| Electrical system | 1 | 2% |
| Exterior lighting | 1 | 2% |
| Electrical system | 1 | 2% |
| Unknown or other | 1 | 2% |
Verbatim from NHTSA complaint records, trimmed for length.
Vehicle: 2015 Kia Cadenza Issue: Open HECU Safety Recall — Fire Risk I am the owner of a 2015 Kia Cadenza with an open HECU recall related to a known fire risk. I have been experiencing a burning smell inside the cabin o
NHTSA complaint: Electrical system
My entire Dash went Black. I could not see speed, gas level, milage. This is an extreme Hazard! I brought the car into "Crown KIA" in Clearwater to run a Diagnostic Check for 0.5 hour at $150 and they could not find the
NHTSA complaint: Electrical system
The bulbs had originally been replaced in 2021 at the dealer. We took the car to the dealer November 26, 2024 having noticed how dim they were around May 2024. The dealer states no problem was found, lights appear to b
NHTSA complaint: Exterior lighting
Engine seized. 3.3L Lambda II GDI. This is the 2nd Hyundai/KIA product that the engine has seized on me. Both with bearing failure. Neither on the list of recalled engines. You need to do a more thorough investigati
NHTSA complaint: Engine
There are thousands of vejicles with a variant of the 3.3L V6 Lambda II GDI Hyundai/KIA class of engines on the road. There are hundreds if not thousands of complaints regarding different variants of this engine through
NHTSA complaint: Engine
PLEASE OPEN AN INVESTIGATION INTO HYUNDAI/KIA LAMBDA II CLASS OF ENGINES! THEY ARE LEAVING HUNDREDS OF FAMILIES STRANDED! NHTSA NEEDS TO DO BETTER! STAND UP TO KIA MAKE THEM FIX THESE ENGINES! ITS UNFAIR TO THE LITTL
NHTSA complaint: Engine
At startup I experienced a knock in the engine which seemed to have gone away. I notified the KIA dealership of the issue. The service advisor told me to drive the vehicle in for service. While attempting to drive the
NHTSA complaint: Engine
Engine seized without warning while driving at approx 50mph. This occurred within 6,000 miles of a KIA dealership performing a 6,000 dollar maintenance to the vehicle.
NHTSA complaint: Engine
NHTSA lists 2 recall campaigns for the 2015 Kia Cadenza. Recalls are free to have fixed at a franchised dealer regardless of who owns the car now, but only if they were never done, so check the VIN of the specific car rather than trusting the model.
Kia Motors America (Kia) is recalling all 2014-2016 Cadenza vehicles. During manufacturing, the front windshield may not have been properly bonded to the vehicle, allowing it to detach.
Risk: A front windshield that detaches from a vehicle can increase the risk of a crash or injury.
Fix: Dealers will inspect the front windshield glass. If necessary, the windshield will be removed and reinstalled. Repairs will be performed free of charge. Owner notification letters were mailed May 1
Kia America, Inc. (Kia) is recalling certain 2010-2019 Borrego, 2014-2016 Cadenza, 2010-2013 Forte, Forte Koup, Sportage, 2015-2018 K900, 2011-2015 Optima, 2011-2013 Optima Hybrid, Soul, 2012-2017 Rio, 2011-2014 Sorento, and 2010-2011 Rondo vehicles. The Hydraulic Electronic Control Unit (HECU) may
Risk: An engine compartment fire while parked or driving can increase the risk of injury.
Fix: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the HECU fuse, free of charge. Interim notification letters, notifying owners of
| Reliability raw | 79 | good |
|---|---|---|
| Longevity est. | 78 | good |
| Maintenance | 82 | excellent |
| Depreciation | 57 | average |
| Performance | 56 | average |
| Efficiency | 41 | below average |
Percentile ranks against other midsize & large cars in the catalog.
What stands behind each score for this car:
Owners have filed 48 complaints with NHTSA for this model-year, and engine is the most reported area with 9 of them (19%). There are 2 recalls on record. Check any specific car against its VIN before buying.
AVOIR scores its reliability 79/100 (good) from NHTSA recall campaigns and complaint density. That figure is a raw complaint count, not yet adjusted for sales volume, so a high-volume model scores worse than it deserves.
AVOIR scores its longevity 78/100, but that figure is an estimate built from the powertrain and the brand's record, not a measurement. A 2015 car has no 200,000-mile population to observe yet, so treat it as a prior rather than evidence.
AVOIR's read: worth a look, because a solid ownership case with specific caveats below. Its overall ownership score is 70/100. Condition, mileage and service history still matter more than any score, so get a pre-purchase inspection on the specific car.
Sources: NHTSA recalls and complaints, EPA fuel economy, IIHS awards, and live market listings. A score describes a model-year, not the individual car in front of you. Get a pre-purchase inspection.