AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 1998 Audi A4

Overall rating NHTSA-grounded

Below average

Estimated 5-year repair + maintenance cost: $6,000–$12,000

The 1998 Audi A4 has several recalls concerning critical areas like airbags and steering. Frequent brake issues and related complaints further weaken its reliability record. Given its age and susceptibility to costly repairs, overall reliability is below-average.

Most-common failures

Part Typical mileage Cost range Frequency
brake system80,000–120,000 miles$300–$800very common
steering assembly70,000–110,000 miles$400–$900common
engine cooling system90,000–130,000 miles$250–$600occasional
electrical system100,000–150,000 miles$200–$500occasional
airbag system80,000–120,000 miles$400–$900rare

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Oil and filter change every 5,000 miles
  • Brake fluid change every 2 years
  • Coolant replacement every 3 years
  • Transmission fluid change every 40,000 miles
  • Spark plug replacement every 60,000 miles

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Soft or spongy brake pedal
  • Whining noise during steering
  • Overheating engine
  • Dashboard warning lights persist
  • Unresponsive acceleration

Generated by gpt-4o on 6/18/2026. Cost ranges are conservative estimates that account for typical regional variation.