Reliability & 5-year cost of ownership — 2015 Audi S8
NHTSA data on file today
The 2015 Audi S8 has 4 NHTSA recall campaigns and 6 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #22V178000 Blocked Turbocharger Oil Strainer NHTSA notice
- NHTSA #20V397000 Engine Compartment Seal May Detach NHTSA notice
- NHTSA #19V057000 Fuel Supply Line May Become Porous and Leak Fuel NHTSA notice
- NHTSA #18V430000 Fuel Supply Line may Leak Fuel NHTSA notice
Most-cited components in owner complaints
- Engine 5 complaints
- Power Train 1 complaint
Below average
Estimated 5-year repair + maintenance cost: $15,000–$20,000AI estimate — not from NHTSA data
The 2015 Audi S8 suffers from engine and fuel system issues, with recalls for turbocharger lubrication and fuel line leaks. Complaints suggest potential engine problems, affecting long-term reliability.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| turbocharger | 60,000–90,000 miles | $1,500–$3,000 | very common |
| fuel line | 50,000–80,000 miles | $750–$1,500 | common |
| engine seals | 70,000–100,000 miles | $500–$1,200 | occasional |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 10,000 miles
- Brake fluid every 2 years
- Spark plugs at 60,000 miles
- Transmission service every 50,000 miles
- Coolant flush every 5 years
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Check engine light illumination
- Unusual engine noises
- Strong fuel odor
- Decrease in turbo performance
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2015 Audi S8 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.