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The 10 Most Reliable and Durable Cars of Model Year 1977
This page lists the ten most reliable and durable cars of 1977. To measure reliability and durability, the Reliability-Durability Grade Point Average (Reliability-Durability GPA or more briefly R-D GPA) is used. For computation of the R-D GPA, see the Computations section below.
1977's Top 10 Classic Cars
These 10 great car classics are listed below in descending order of Reliability-Durability GPA.
Manufacturers of the Top 10
As in 1975 and 1976, Toyota Motor Corporation accounted for 4 of the Top 10 by reliability and durability. And again the Toyota Corolla placed first.
In 1977, Daimler-Benz AG accounted for only 2 of the most reliable and durable cars, but this may have been due to data limitations.
The rear-wheel-drive Dodge Colt is new to the list. The vehicle was engineered and manufactured by Mitsubishi Motors Corporation and marketed by Chrysler Corporation under the Dodge brand.
The Volvo 240 Series placed 8th among the best of 1977 and added to its near legendary reputation.
Filling out the Top 10, General Motors Corporation's two cars (9th and 10th) replaced Ford Motor Company's LTD and Mercury Marquis.
Note the sizable difference in Reliability-Durability GPA between the 8th-place Volvo 240 Series and GM's 9th-place Oldsmobile 88 V8.
The following chart gives each car manufacturer's percent share of the Top 10.
Computations
To compute the reliability-durability grade point average of the MY 1977 cars, Consumer Reports' reliability ratings for the age ranges 4-to-5 years and 5-to-6 years are used.
CR's ratings are converted to numerical values following the standard academic pattern: a grade point of 4.0 (an A) is accorded a rating of Much Better Than Average, a 3.0 (a B) is accorded a rating of Better Than Average, a 2.0 (a C) is accorded a rating of Average, a 1.0 (a D) is accorded a rating of Below Average, and a 0 (an F) is accorded a rating of Much Below Average.
Then, for each age range, the grade point of CR's overall reliability rating is weighted 2/3 and the average of the grade points of the category ratings is weighted 1/3.
Finally, the average for the two age ranges is taken. The Mercedes-Benz 240D I4, the Mercedes-Benz 300D I5, and the rear-wheel-drive Dodge Colt offered data only for the 4-to-5 age range.
Best and Worst Vehicles of Each Model Year The Best Cars of Each Model Year by Reliability-Durability GPA: 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 ... 2004 2005 The Worst Cars of Each Model Year by Reliability-Durability GPA: 1980 1981 1982 1983 1984 1985 1986 ... 2004 2005 Additional Resources The Best Car Brands of Each Model Year by Reliability-Durability GPA: 1985 1986 ... 2004 2005 The Worst Car Brands of Each Model Year by Reliability-Durability GPA: 1985 1986 ... 2004 2005 The Best Car Manufacturers of Each Model Year by Reliability-Durability GPA: 1985 1986 ... 2004 2005 The Worst Car Manufacturers of Each Model Year by Reliability-Durability GPA: 1985 1986 ... 2004 2005 Best Car Brands by CR's List of Used Cars to Avoid: 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Worst Car Brands by CR's List of Used Cars to Avoid: 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Best Car Makers by CR's List of Used Cars to Avoid: 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Worst Car Makers by CR's List of Used Cars to Avoid: 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 For additional car quality information, visit www.AutoOnInfo.net and CarsOnInfo.net.In particular, for additional durability information, see:
www.CarQualityInfo.net: The car-quality website for the brighter-than-average North American consumer.
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