Vehicle dependability is at an all-time high, with the overall level of problems cited by owners declining 10% from a year ago, according to the J.D. Power 2021 U.S. Vehicle Dependability Study℠ (VDS), released today.
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J.D. Power 2021 U.S. Vehicle Dependability Study℠ (VDS) (Graphic: Business Wire)
“The study results validate what we have known for some time,” said Dave Sargent, vice president of global automotive at J.D. Power. “Automakers are making increasingly dependable vehicles—but there are still some problem areas that need to be addressed and some warning signs on the horizon.”
The study, now in its 32nd year, measures the number of problems per 100 vehicles (PP100) experienced during the past 12 months by original owners of three-year-old vehicles. A lower score reflects higher dependability, and the study covers 177 specific problems grouped into eight major vehicle categories: audio/communication/entertainment/navigation (ACEN); engine/transmission; exterior; interior; features/controls/displays (FCD); driving experience; heating, ventilation and air conditioning; and seats.
The 2018 model-year vehicles measured in this year’s study were first examined in the J.D. Power 2018 U.S. Initial Quality Study (IQS),℠ when new-vehicle quality had improved for the fourth consecutive year and reached its best level ever. Six of the 10 brands that ranked highest in that study also appear among the ten highest ranked in the 2021 VDS.
“Today’s three-year-old vehicles are of higher quality and more dependable than in previous years,” Sargent said. “Most owners aren’t experiencing their vehicles breaking down or falling apart but, for many, vehicle technology continues to function poorly or inconsistently. If an owner can’t rely on a system to work as they expect, it is also considered a lack of dependability. It affects their overall view of the vehicle and their likelihood of staying loyal to their automaker. In the future, dependability will partially be determined by the ability to solve problems through vehicle updates and the avoidance of technology obsolescence.”
Following are key findings of the 2021 study:
- Vehicle dependability improves to best level ever: The industry average is 121 PP100—the lowest in the study’s history—and a 13 PP100 (10%) improvement from 134 PP100 in 2020. This is a much greater rate of improvement than in the past two years, which had improvements of 2 PP100 and 6 PP100, respectively.
- Trucks and SUVs have room—to improve: Cars continues to be the segment with the most dependable vehicles, averaging 111 PP100, while trucks average 130 PP100 and SUVs average 122 PP100. Given that trucks and SUVs currently account for approximately 80% of retail sales each month, it’s important for automakers to address problem areas in these two segments to achieve a similar level of dependability as for cars.
- Korean and Japanese brands perform well: Owners of Asian brand vehicles experience the fewest problems (115 PP100) compared with domestic brands (126 PP100) and European brands (131 PP100). This gap is due in part to Korean brands Kia, Hyundai and Genesis which, when combined, average just 99 PP100 and represent a 19-point gap vs. the Japanese brands (collectively 118 PP100).
- All problem categories have improved: All eight categories improve this year, led by exterior (3.7 PP100) and driving experience (2.2 PP100). ACEN (audio/communication/ entertainment/navigation) shows marginal improvement and remains the category with the most problems reported. “From early in the ownership experience, many owners complain about these systems being problematic,” Sargent said. “It’s a recurring theme. With smartphone apps increasingly giving owners an alternative, some will give up on the vehicle’s built-in systems that caused that initial frustration. That’s problematic for automakers, as a lot of the vehicle’s value is tied up in these systems and they don’t want to hand this business over to third parties.”
- Most Dependable Model: The Porsche 911 is the highest-ranked model in the 2021 study. It is the second time in three years that it has been named Most Dependable Model.
- Tesla profiled for first time: Tesla receives a score of 176 PP100. The automaker is not officially ranked among other brands in the study because it doesn’t meet the ranking criteria. Unlike other manufacturers, Tesla doesn’t grant J.D. Power permission to survey its owners in 15 states where it is required. However, Tesla’s score was calculated based on a robust sample of surveys from owners in the other 35 states.
Lexus ranks highest in overall vehicle dependability among all brands, with a score of 81 PP100. This is the ninth time in 10 years that Lexus ranks highest. Porsche (86 PP100) ranks second, followed by Kia (97 PP100), Toyota (98 PP100), Buick (100 PP100) and Cadillac (also 100 PP100).
Kia shows considerable improvement, with a reduction of 35 PP100 from 2020. This is also the first time Kia ranks highest overall among mass market brands. Other brands above industry average showing the greatest improvement in PP100 are Cadillac, Acura and Hyundai (all by 31 PP100), and Mitsubishi (by 30 PP100).
Toyota Motor Corporation receives five segment awards for the Lexus ES, Lexus GX, Toyota Avalon, Toyota Sienna and Toyota Tundra.
General Motors Company receives four segment awards for the Buick Envision, Chevrolet Camaro, Chevrolet Silverado HD and Chevrolet Tahoe.
Hyundai Motor Group also receives four segment awards for the Genesis G80, Kia Optima, Kia Sorento and Kia Sportage.
Chevrolet, Kia and Toyota each receive three segment awards, the most among all brands in the study.
The Consumer Ratings featured on JDPower.com, the car-shopping site, are generated using data from verified owners who have participated in J.D. Power automotive studies including U.S. Vehicle Dependability Study℠ (VDS); U.S. Customer Service Index (CSI) Study℠; U.S. Initial Quality Study (IQS)℠; U.S. Automotive Performance, Execution and Layout (APEAL) Study℠; and U.S. Sales Satisfaction Index (SSI) Study℠.
“The insights uncovered about vehicle dependability are valuable not only to automakers but to car shoppers,” said Tanya Parkes, vice president of the consumer division at J.D. Power. “Shoppers who visit JDPower.com can also learn how a vehicle compares to others, which brings more clarity to the shopping experience. The J.D. Power 100-Point Scores are based on independent and unbiased insights from consumers who have actually owned these vehicles, and that’s something in which shoppers are keenly interested.”
The 2021 U.S. Vehicle Dependability Study is based on responses from 33,251 original owners of 2018 model-year vehicles after three years of ownership. The study was fielded from July 2020 through November 2020.
To learn more about the U.S. Vehicle Dependability Study, visit
See the online press release at http://www.jdpower.com/pr-id/2021010.
J.D. Power is a global leader in consumer insights, advisory services and data and analytics. A pioneer in the use of big data, artificial intelligence (AI) and algorithmic modeling capabilities to understand consumer behavior, J.D. Power has been delivering incisive industry intelligence on customer interactions with brands and products for more than 50 years. The world’s leading businesses across major industries rely on J.D. Power to guide their customer-facing strategies.
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