Sedan Reliability Ratings 2010 – The 15 Most Reliable Family Sedans at Various Age Ranges
By converting Consumer Union’s reliability ratings of “Much Better than Average,” “Better than Average,” “Average,” “Worse than Average,” and “Much Worse than Average” to grade points 4, 3, 2, 1, and 0, respectively, for each model year of each family sedan providing the necessary data, a 2010 Family Sedan Reliability Grade Point Average may be obtained for age ranges 0-to-4 years, 2-to-6 years, 4-to-8 years, and 6-to-10 years. These Car Reliability GPAs provide a multi-year reliability summary for each family sedan with sufficient data.
By these car Reliability GPAs, the fifteen most reliable family sedans for each of the age ranges may be selected.
By this selection, the 15 (17 by tie) best family sedans in the age range 0-to-4 years, together with their 2010 Reliability GPA and corresponding Reliability Grade, are:
- Ford Motor Company’s front-wheel-drive Lincoln MKZ, Zephyr, with a 2010 GPA of a perfect 4.00, a grade of A,
- Ford Motor Company’s 4-cylinder Mercury Milan, with a 2010 GPA of 4.00, a grade of A,
- The Ford Fusion Hybrid, with a 2010 (1-year-data-history) GPA of 4.00, a grade of A,
- Nissan Motor Company’s rear-wheel-drive Infiniti M35, with a 2010 GPA of 4.00, a grade of A,
- The V6, front-wheel-drive Ford Fusion, with a 2010 GPA of 3.75, a grade of A,
- Toyota Motor Corporation’s Lexus ES, with a 2010 GPA of 3.50, a grade of A,
- Toyota Motor Corporation’s Lexus LS, with a 2010 GPA of 3.50, a grade of A,
- Honda Motor Company’s Acura TSX, with a 2010 GPA of 3.50, a grade of A,
- The 4-cylinder Honda Accord, with a 2010 GPA of 3.50, a grade of A,
- The Mazda3, with a 2010 GPA of 3.50, a grade of A,
- The Nissan Altima Hybrid, with a 2010 GPA of 3.50, a grade of A,
- The Toyota Camry Hybrid, with a 2010 GPA of 3.33, a grade of B,
- The front-wheel-drive Volvo S60, with a 2010 GPA of 3.33, a grade of B,
- The 4-cylinder Toyota Camry, with a 2010 GPA of 3.25, a grade of B,
- Honda Motor Company’s Acura TL, with a 2010 GPA of 3.25, a grade of B,
- The V6 Honda Accord, with a 2010 GPA of 3.25, a grade of B,
- Nissan Motor Company’s all-wheel-drive Infiniti G, with a 2010 GPA of 3.25, a grade of B,
- The 4-cylinder Nissan Altima, with a 2010 GPA of 3.25, a grade of B.
Of the eighteen most reliable family sedans in the age range 0-to-4 years, Ford Motor Company, Toyota Motor Corporation, Honda Motor Company, and Nissan Motor Company each account for 4, and Mazda Motor Corporation and Volvo each account for one.
And the 15 best family sedans in the age range 2-to-6 years, together with their 2010 Reliability GPA and corresponding Reliability Grade, are:
- The 4-cylinder Honda Accord, with a 2010 GPA of a perfect 4.00, a grade of A,
- Ford Motor Company’s front-wheel-drive Lincoln MKZ, Zephyr, with a 2010 GPA of 4.00, a grade of A,
- Ford Motor Company’s 4-cylinder Mercury Milan, with a 2010 GPA of 4.00, a grade of A,
- Nissan Motor Company’s Infiniti I30, I35, with a 2010 GPA of 4.00, a grade of A,
- Nissan Motor Company’s rear-wheel-drive Infiniti M35, with a 2010 GPA of 4.00, a grade of A,
- The Nissan Altima Hybrid, with a 2010 GPA of 4.00, a grade of A,
- Toyota Motor Corporation’s Lexus ES, with a 2010 GPA of 3.75, a grade of A,
- Toyota Motor Corporation’s Lexus LS, with a 2010 GPA of 3.75, a grade of A,
- The 4-cylinder Toyota Camry, with a 2010 GPA of 3.75, a grade of A,
- The V6 Honda Accord, with a 2010 GPA of 3.60, a grade of A,
- The V6 Toyota Camry, with a 2010 GPA of 3.50, a grade of A,
- Honda Motor Company’s Acura TL, with a 2010 GPA of 3.50, a grade of A,
- Honda Motor Company’s Acura TSX, with a 2010 GPA of 3.50, a grade of A,
- The V6, front-wheel-drive Ford Fusion, with a 2010 GPA of 3.50, a grade of A,
- The Mazda3, with a 2010 GPA of 3.50, a grade of A.
Of the fifteen most reliable family sedans in the age range 2-to-6 years, Toyota Motor Corporation and Honda Motor Company each account for 4, Ford Motor Company and Nissan Motor Company each account for 3, and Mazda Motor Corporation accounts for one.
And the 15 (21 by tie) best family sedans in the age range 4-to-8 years, together with their 2010 Reliability GPA and corresponding Reliability Grade, are:
- Toyota Motor Corporation’s Lexus ES, with a 2010 GPA of a perfect 4.00, a grade of A,
- Toyota Motor Corporation’s rear-wheel-drive Lexus GS, with a 2010 GPA of 4.00, a grade of A,
- Toyota Motor Corporation’s Lexus LS, with a 2010 GPA of 4.00, a grade of A,
- The 4-cylinder Toyota Camry, with a 2010 GPA of 4.00, a grade of A,
- The V6 Toyota Camry, with a 2010 GPA of 4.00, a grade of A,
- The 4-cylinder Honda Accord, with a 2010 GPA of 4.00, a grade of A,
- The V6 Honda Accord, with a 2010 GPA of 4.00, a grade of A,
- The Toyota Avalon, with a 2010 GPA of 3.75, a grade of A,
- Honda Motor Company’s Acura RL, with a 2010 GPA of 3.67, a grade of A,
- Nissan Motor Company’s Infiniti I30, I35, with a 2010 GPA of 3.67, a grade of A,
- The V6 Hyundai Sonata, with a 2010 GPA of 3.50, a grade of A,
- The 4-cylinder Mazda6, with a 2010 GPA of 3.33, a grade of B,
- Honda Motor Company’s Acura TL, with a 2010 GPA of 3.25, a grade of B,
- Honda Motor Company’s Acura TSX, with a 2010 GPA of 3.00, a grade of B,
- The Ford Crown Victoria, with a 2010 GPA of 3.00, a grade of B,
- Ford Motor Company’s Lincoln Town Car, with a 2010 GPA of 3.00, a grade of B,
- Ford Motor Company’s Mercury Grand Marquis, with a 2010 GPA of 3.00, a grade of B,
- General Motors Corporation’s V6 Cadillac STS, with a 2010 GPA of 3.00, a grade of B,
- The Mazda3, with a 2010 GPA of 3.00, a grade of B,
- Nissan Motor Company’s rear-wheel-drive Infiniti G, with a 2010 GPA of 3.00, a grade of B,
- The V6 Nissan Altima, with a 2010 GPA of 3.00, a grade of B.
Of the twenty-one most reliable family sedans in the age range 4-to-8 years, Toyota Motor Corporation accounts for 6, Honda Motor Company accounts for 5, Nissan Motor Company and Ford Motor Company each account for 3, Mazda Motor Corporation accounts for 2, and Hyundai Motor Company and General Motors Corporation each account for one.
As a word of caution, General Motors Corporation’s V6 Cadillac STS has a Reliability Grade of D in the more recent age range 0 to 4 years.
And the 15 best family sedans in the age range 6-to-10 years, together with their 2010 Reliability GPA and corresponding Reliability Grade, are:
- Toyota Motor Corporation’s Lexus ES, with a 2010 GPA of a perfect 4.00, a grade of A,
- Toyota Motor Corporation’s rear-wheel-drive Lexus GS, with a 2010 GPA of 4.00, a grade of A,
- Toyota Motor Corporation’s Lexus LS, with a 2010 GPA of 4.00, a grade of A,
- The Toyota Avalon, with a 2010 GPA of 4.00, a grade of A,
- The 4-cylinder Toyota Camry, with a 2010 GPA of 3.75, a grade of A,
- The 4-cylinder Honda Accord, with a 2010 GPA of 3.75, a grade of A,
- Honda Motor Company’s Acura RL, with a 2010 GPA of 3.50, a grade of B,
- Ford Motor Company’s Lincoln Town Car, with a 2010 GPA of 3.25, a grade of B,
- Nissan Motor Company’s Infiniti I30, I35, with a 2010 GPA of 3.25, a grade of B,
- Honda Motor Company’s Acura TL, with a 2010 GPA of 3.00, a grade of B,
- The V6, rear-wheel-drive Mercedes-Benz E-Class, with a 2010 GPA of 3.00, a grade of B,
- The Ford Crown Victoria, with a 2010 GPA of 3.00, a grade of B,
- Ford Motor Company’s Mercury Grand Marquis, with a 2010 GPA of 3.00, a grade of B,
- The 4-cylinder Mazda6, with a 2010 GPA of 3.00, a grade of B,
- Nissan Motor Company’s rear-wheel-drive Infiniti G, with a 2010 GPA of 3.00, a grade of B.
Of the fifteen most reliable family sedans in the age range 6-to-10 years, Toyota Motor Corporation accounts for 5, Honda Motor Company and Ford Motor Company each account for 3, Nissan Motor Company accounts for 2, Mazda Motor Corporation and Mercedes-Benz each account for one.
The consistently most reliable family sedans, those that are among the 15 best for all age ranges, are:
- Toyota Motor Corporation’s Lexus ES,
- Toyota Motor Corporation’s Lexus LS,
- The 4-cylinder Toyota Camry,
- The 4-cylinder Honda Accord,
- Honda Motor Company’s Acura TL.
Of these 5 consistently most reliable family sedans, Toyota Motor Corporation accounts for 3 and Honda Motor Company accounts for 2.
In addition, Nissan Motor Company’s Infiniti I30, I35 is among the best family sedans for all of the age ranges of its data history; the model was discontinued in 2005.
In the above lists, a family sedan is a sedan whose length exceeds 180 inches (457 centimeters). The car Reliability GPA is a measure of the infrequency of serious problems that a model has.
About the Author
James Benjamin Bleeker has a B.A. from Carleton College in mathematics, a J.D. from Northwestern University, and an M.S. from the University of Minnesota in mathematics. He has practiced law, and taught Introductory Statistics, Calculus III, Business Calculus, Finite Math, College Algebra, Introductory and Intermediate Algebra, and Foundations at various universities and colleges. He currently has two websites – Auto on Info at http://www.AutoOnInfo.net and Cars on Info at http://CarsOnInfo.net – which provide detailed auto quality information for cars and trucks sold in North America. For much of the 2000s, AutoOnInfo.net has been the dominant provider of auto reliability and durability information, some of it gathered from its own online surveys and questionnaires and some of it from the reliability studies of Consumer Reports and CAA.
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