2012 Hyundai Sonata Hybrid - Problems, Statistics, and Analysis

🔎 Common problems of the 2012 Hyundai Sonata Hybrid

203 problems have been reported for the 2012 Hyundai Sonata Hybrid. The following chart shows the 20 most common problems for 2012 Hyundai Sonata Hybrid. The number one most common problem is related to the vehicle's engine and engine cooling with 64 problems. The second most common problem is related to the vehicle's power train (27 problems).

Table 1. Common problems of the 2012 Hyundai Sonata Hybrid

Problem Category	Number of Problems
Engine And Engine Cooling	64
Power Train	27
Service Brakes	23
Electrical System	22
Equipment	14
Vehicle Speed Control	13
Steering	10
Other Fuel System	5
Structure	4
Visibility	4
Air Bag	3
Electronic Stability Control	2
Hybrid Propulsion System	2
Seat Belt	2
Wheel	2
Exterior Lighting	2
Back Over Prevention	1
Latches/locks/linkage	1
Seats	1
Parking Brake	1

📈 PPMY Index and Problem Occurrence Trend

In our research we use the PPMY index to compare the reliability of vehicles. The PPMY index of a certain model is defined as the problems reported per thousand vehicles per Year. The total sales of the 2012 Hyundai Sonata Hybrid in the United States are 22,231 units [1]. If the total number of problems reported by Hyundai Sonata Hybrid owners in the last 14 years is 203, and the age of the vehicle is 14, the PPMY index can then be calculated as

PPMY Index = 203 / 22,231 / 14 * 1000 = 0.65.

For more information, refer to this page: A study of reliability comparison across Hyundai Sonata Hybrid model year vehicles.

The following chart shows the number of problems reported during each of the service years since the debut of the 2012 Hyundai Sonata Hybrid in 2012.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year	Number of Problems
2026	4
2025	0
2024	10
2023	10
2022	4
2021	10
2020	5
2019	23
2018	43
2017	22
2016	18
2015	9
2014	18
2013	17
2012	1

📊 Compare the 2012 Hyundai Sonata Hybrid with Other Model Years

When making the decision between buying a new or used Hyundai Sonata Hybrid, the following table can be used to compare the 2012 Hyundai Sonata Hybrid with the Hyundai Sonata Hybrid from other model years. Note that the number of problems reported for the 2012 Sonata Hybrid is 203 while the average number of problems reported for the 12 model years of the Hyundai Sonata Hybrid is 64.

Table 3. Compare the 2012 Hyundai Sonata Hybrid with other model years

Model Year	Number of Problems
2025 Sonata Hybrid	3
2022 Sonata Hybrid	4
2021 Sonata Hybrid	4
2019 Sonata Hybrid	3
2018 Sonata Hybrid	3
2017 Sonata Hybrid	48
2016 Sonata Hybrid	80
2015 Sonata Hybrid	76
2014 Sonata Hybrid	40
2013 Sonata Hybrid	162
2012 Sonata Hybrid	203
2011 Sonata Hybrid	142

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☘ Sonata Hybrid Service Bulletins

☤ Sonata Hybrid Defect Investigations