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2005 Audi

S4

Auto (S6), 8 cyl, 4.2 L

Audi S4: best and worst years
2005 Audi S4 (photo 1 of 6)

Photo may show a different model year; you're viewing the 2005.

PhotoAlexander MiglCC BY-SA 4.0via Wikimedia Commons

Reported problems NHTSA record NHTSA owner complaints, model year

  • EXTERIOR LIGHTING62%
  • ELECTRICAL SYSTEM9%
  • AIR BAGS8%
  • ENGINE AND ENGINE COOLING6%
  • ENGINE2%
  • FUEL SYSTEM, GASOLINE2%

Source: NHTSA owner complaints, 53 total.

Audi S4: best and worst years

Warranty manufacturer terms, by make

Basic
4 yr / 50k mi
Powertrain
4 yr / 50k mi
Roadside assistance
4 yr
Maintenance
3 yr / 30k mi
EV battery
8 yr / 100k mi

Source: media.audiusa.com as of 2026-06

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.