AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2002 Gmc W-Series

Overall rating NHTSA-grounded

Above average

Estimated 5-year repair + maintenance cost: $2,500–$4,500

The 2002 GMC W-SERIES shows a strong reliability profile with minimal complaints and recalls. The primary concern involves an electrical recall related to an optional oil pan heater.

Most-common failures

Part Typical mileage Cost range Frequency
oil pan heater20,000-50,000 miles$150–$300occasional
steering system50,000-80,000 miles$200–$500rare

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Oil and filter change
  • Transmission fluid check
  • Brake inspection and service
  • Coolant replacement
  • Air filter replacement
  • Belt and hose inspection

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Flickering electrical components
  • Fluid leaks around engine
  • Steering wheel vibrations

Generated by gpt-4o on 8/18/2026. Cost ranges are conservative estimates that account for typical regional variation.