Car Brands - 9 Worst Brands of MY 2005

The 9 Least Reliable and Durable Car Brands of Model Year 2005

This page lists the 9 worst car brands (as well as the 15 worst car brands) of model year 2005 by reliability-and-durability grade point average (R-D GPA).

2005's Bottom 9 Car Brands: The Nine Worst

The 9 worst car brands of 2005 are listed below in ascending order of Reliability-Durability GPA (worst first), together with their corresponding R-D GPA and Grade.

  • Chevrolet line, with a Reliability-Durability GPA of 1.04 and a Reliability-Durability Grade of D
  • Audi line, with a Reliability-Durability GPA of 1.08 and a R-D Grade of D
  • Dodge line, with a Reliability-Durability GPA of 1.17 and a R-D Grade of D
  • Saab line, with a Reliability-Durability GPA of 1.17 and a R-D Grade of D
  • Jeep line, with a Reliability-Durability GPA of 1.19 and a R-D Grade of D
  • Land Rover line, with a Reliability-Durability GPA of 1.25 and a R-D Grade of D
  • Mini Cooper line, with a Reliability-Durability GPA of 1.36 and a R-D Grade of D
  • Volkswagen line, with a Reliability-Durability GPA of 1.38 and a R-D Grade of D
  • Chrysler line, with a Reliability-Durability GPA of 1.40 and a R-D Grade of D
The computation of the Reliability-Durability GPA of the Chrysler line does not include that of the Mercedes-engineered Crossfire.
 
The Next 6 Car Brands of 2005

The next 6 car brands are listed below in ascending order of Reliability-Durability GPA (worst first).

  • GMC line, with a Reliability-Durability GPA of 1.42 and a Reliability-Durability Grade of D
  • Pontiac line, with a Reliability-Durability GPA of 1.50 and a R-D Grade of C
  • Kia line, with a Reliability-Durability GPA of 1.52 and a R-D Grade of C
  • Jaguar line, with a Reliability-Durability GPA of 1.57 and a R-D Grade of C
  • Nissan line, with a Reliability-Durability GPA of 1.59 and a R-D Grade of C
  • Cadillac line, with a Reliability-Durability GPA of 1.67 and a R-D Grade of C
The computation of the Reliability-Durability GPA of the Pontiac line does not include that of the Toyota-engineered Vibe. 
 
Chart of the 15 Worst Car Brands of 2005

The following bar graph depicts how much below average the Bottom 15 car brands of 2005 are. The 15 worst are listed in ascending order (worst first).

This is a bar graph of the Reliability-Durability GPAs of the 15 worst car brands of model year 2005. The Reliability-Durability GPA of a car model is a composite measure based on the category and overall reliability ratings of Consumer Reports for age ranges 4-to-5 years and 5-to-6 years. Brand R-D GPA is an average of model R-D GPAs. Chart by James Benjamin Bleeker, January 12, 2012.
 
Although the last five of the bottom 15 have a R-D Grade of C, all of the Bottom 15 are rather considerably below the average.
 
Worthy of note is that the Nissan brand is among the Top 7 of 1986 but among the Bottom 15 of 2005.
 
Computations

To compute the reliability-durability grade point average of the MY 2005 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.

Then, the average for the two age ranges is taken.

Finally, a car brand's Reliability-Durability GPA is computed by taking the average of the Reliability-Durability GPAs of its models.

Best and Worst Car Brands of Each Model Year

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 

Additional Resources

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 

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:

http://www.AutoOnInfo.net/SharesOfHighMileageVehicles.aspx 
http://CarsOnInfo.net/ToyotaAgeEquivalents.aspx 
http://CarsOnInfo.net/ToyotaMileageEquivalents.aspx 
http://CarsOnInfo.net/Top25OfAutoonInfosHighMileageRoster.aspx

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