Guest: "By any measuring stick the difference in problems per 100 vehicles probably isn't worth mentioning."

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Thanks for proving Keith_moon wrong in using JD Power to try proving GM not "worst of the worst".

GM models are actually "worst of the worst" reliability.

"These 2006-15 models have a record of below-average overall reliability. ... they’re models with much-worse-than-average overall reliability based on multiple years of data. We recommend skipping all of them"

The Worst of the Worst Used Cars

CHEVROLET

Avalanche, Camaro, Cobalt, Colorado, Corvette, Cruze, Equinox, HHR, Impala, Malibu, Silverado, Sonic, Suburban, Tahoe, TrailBlazer, Traverse, Uplander

BUICK

Enclave, LaCrosse, Lucerne, Rainer, Regal, Rendezvous, Terraza

GMC

Acadia, Canyon, Envoy, Sierra, Terrain , Yukon, Yukon XL

CADILLAC

ATS, CTS, DTS, Escalade, SRX, XTS

PONTIAC

G5, Montana SV6

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http://www.consumerreports.org/used-car-buying/used-cars-to-avoid-buying/