text: "history of being very durable"
  .
  The following GMs have a history of being very unreliable, 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"
  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
  .
  http://www.consumerreports.org/used-car-buying/used-cars-to-avoid-buying/