AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2014 Gmc Acadia Denali

Overall rating NHTSA-grounded

Average

Estimated 5-year repair + maintenance cost: $8,000–$15,000

The 2014 GMC Acadia Denali exhibits average reliability, with recalls and complaints largely centered on electrical and transmission issues. Owners frequently report problems that could lead to moderate costs.

Most-common failures

Part Typical mileage Cost range Frequency
transmission80,000–110,000 miles$1,500–$3,000common
air conditioning system60,000–90,000 miles$400–$1,200common
alternator70,000–100,000 miles$400–$800occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • oil and filter changes
  • transmission fluid change
  • engine air filter replacement
  • coolant system flush
  • brake fluid replacement
  • tire rotations
  • spark plug replacement

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • slipping transmission
  • fluctuating AC performance
  • flickering dashboard lights
  • abnormal engine noises

Generated by gpt-4o on 8/23/2026. Cost ranges are conservative estimates that account for typical regional variation.