AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2018 Kia Soul

Overall rating NHTSA-grounded

Average

Estimated 5-year repair + maintenance cost: $7,000–$9,500

The 2018 Kia Soul has an average reliability rating due to notable engine and powertrain issues. The airbag recall impacts safety but is brand-wide. Despite these, repair costs and frequency are moderate.

Most-common failures

Part Typical mileage Cost range Frequency
engine50,000–80,000 miles$1,500–$4,000common
powertrain60,000–90,000 miles$1,200–$3,000common
electrical system70,000–100,000 miles$300–$1,000occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • oil and filter changes
  • replace air filters
  • rotate and balance tires
  • inspect brakes and rotors
  • replace spark plugs
  • transmission fluid change

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • check engine light
  • rough engine idling
  • delayed gear shifting
  • unresponsive airbag sensors

Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.