AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2012 Audi S4

Overall rating NHTSA-grounded

Below average

Estimated 5-year repair + maintenance cost: $8,000–$12,000

The 2012 Audi S4 is prone to power train issues and fuel injection system recalls, leading to higher maintenance costs. The overall reliability is below-average due to these recurring issues.

Most-common failures

Part Typical mileage Cost range Frequency
power train60,000–90,000 miles$1,500–$3,000very common
fuel injection system50,000–70,000 miles$500–$1,200common
electrical system70,000–100,000 miles$300–$800occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Oil and filter change every 10,000 miles
  • Brake fluid replacement every 2 years
  • Air filter replacement every 20,000 miles
  • Spark plug replacement at 55,000 miles
  • Tire rotation every 5,000 miles

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Unusual transmission noises
  • Fuel smell from engine bay
  • Intermittent electrical failures
  • Check engine light for fuel system
  • Decreased fuel efficiency

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