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Ford Flex vs. GMC Sierra 1500 Reliability by Model Generation

Results are for year ending June 30, 2018. Only successfully completed repairs are currently included in the analysis. Routine maintenance, most wear items, recalls, and problems fixed with just a reflash or warning light reset are not included.
Year and Model % of Average Repair Frequency  
2014 - 2018 GMC Sierra 1500 Reliability by Generation2014 - 2018 GMC Sierra 1500
47.142857142857% Best 120% Worst
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2013 - 2018 Ford Flex Reliability by Generation2013 - 2018 Ford Flex
53.428571428571% Best 131% Worst
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2007 - 2013 GMC Sierra 1500 Reliability by Generation2007 - 2013 GMC Sierra 1500
28.285714285714% Best 87% Worst
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2009 - 2012 Ford Flex Reliability by Generation2009 - 2012 Ford Flex
52.285714285714% Best 129% Worst
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2000 - 2006 GMC Sierra 1500 Reliability by Generation2000 - 2006 GMC Sierra 1500
44.285714285714% Best 115% Worst
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What Our Members Are Saying about the Reliability And Durability of the Ford Flex

Ford Flex Reliability And Durability: Pros
YearBody/PowertrainComment
2009 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD
Pushing 98,000 miles. $300 wheel bearing is biggest/only problem so far. full 2009 Ford Flex review
Ford Flex Reliability And Durability: Cons
YearBody/PowertrainComment
2009 4dr SUV 262-horsepower 3.5L V6
6-speed automatic AWD
Bummed out about the heating system.....not enough heat !!!! Set at 90 degrees, but it never gets there. When vehicle stopped in traffic, air temp in full heat position delines very noticeably...have had it to dealership twice for this problem, both und full 2009 Ford Flex review
 

What Our Members Are Saying about the Reliability And Durability of the Ford Flex

Ford Flex Reliability And Durability: Pros
YearBody/PowertrainComment
2009 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD
Pushing 98,000 miles. $300 wheel bearing is biggest/only problem so far. full 2009 Ford Flex review
Ford Flex Reliability And Durability: Cons
YearBody/PowertrainComment
2009 4dr SUV 262-horsepower 3.5L V6
6-speed automatic AWD
Bummed out about the heating system.....not enough heat !!!! Set at 90 degrees, but it never gets there. When vehicle stopped in traffic, air temp in full heat position delines very noticeably...have had it to dealership twice for this problem, both und full 2009 Ford Flex review