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Audi

2015 Audi S8

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2015 Audi S8 has 6 owner complaints filed with NHTSA — that's 0.1x the segment average of 80. The most common issue is engine problems (83% of all complaints), specifically: i was driving at highway speed when the engine suddenly started to shudder and lose power. the check engine light immediately started to flash and the engine stalled. i was stopped in a busy highway during rush hour. i eventually got the car to a safe location and pulled the turbo air intake to i.

6

Total Complaints

0

Recalls Issued

/5

Safety Stars

0.1x

vs Segment Avg

Known Problems

ENGINE

5 complaints
83%
  • I WAS DRIVING AT HIGHWAY SPEED WHEN THE ENGINE SUDDENLY STARTED TO SHUDDER AND LOSE POWER. THE CHECK ENGINE LIGHT IMMEDIATELY STARTED TO FLASH AND THE ENGINE STALLED. I WAS STOPPED IN A BUSY HIGHWAY DURING RUSH HOUR. I EVENTUALLY GOT THE CAR TO A SAFE LOCATION AND PULLED THE TURBO AIR INTAKE TO I
  • ONLY 43,750 MILES AND THE ENGINE IS BEING COMPLETELY REBUILT. NEW CAM ADJUSTERS, NEW TIMING CHAIN TENSIONERS, NEW TIMING CHAIN GUIDES... THIS SHOULDN'T HAPPEN ON A CAR WITH SUCH FEW MILES.
  • WAS DRIVING ON A SATURDAY AFTERNOON DOWN A BUSY STREET WHEN MY CAR STARTED SPUTTERING AND HAD VERY REDUCED POWER. I WAS ABLE TO EVENTUALLY GET TO THE SIDE OF THE ROAD AND SHUT THE CAR OFF. TRIED STARTING THE CAR AFTER A RESTING PERIOD AND CAR WOULD NOT START. LET IT SIT LONGER AND FINALLY GOT IT TO
Typical onset: 50K miles Est. repair: $500

I WAS DRIVING AT HIGHWAY SPEED WHEN THE ENGINE SUDDENLY STARTED TO SHUDDER AND LOSE POWER. THE CHECK ENGINE LIGHT IMMEDIATELY STARTED TO FLASH AND THE ENGINE STALLED. I WAS STOPPED IN A BUSY HIGHWAY DURING RUSH HOUR. I EVENTUALLY GOT THE CAR TO A SAFE LOCATION AND PULLED THE TURBO AIR INTAKE TO I

— NHTSA complaint filing

TRANSMISSION

1 complaints
17%
  • Water Pump and thermostat has a faulty design that causes coolant to leak either around the O Ring and/or the elbow. I am in my third water pump and thermostat with only 69,000 miles on the vehicle. Issue appears to be common on the EA824 (4.0 twin turbo) engine with hundreds of reports from the c
Typical onset: 50K miles Est. repair: $500

Water Pump and thermostat has a faulty design that causes coolant to leak either around the O Ring and/or the elbow. I am in my third water pump and thermostat with only 69,000 miles on the vehicle. Issue appears to be common on the EA824 (4.0 twin turbo) engine with hundreds of reports from the c

— NHTSA complaint filing

Estimated Repair Costs

ENGINE(~50K mi)
$500
TRANSMISSION(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 6 owner complaints for this specific year, here's what to check or ask about:

  • ENGINE: I WAS DRIVING AT HIGHWAY SPEED WHEN THE ENGINE SUDDENLY STARTED TO SHUDDER AND LOSE POWER. THE CHECK ENGINE LIGHT IMMEDIATELY STARTED TO FLASH AND THE ENGINE STALLED. I WAS STOPPED IN A BUSY HIGHWAY DURING RUSH HOUR. I EVENTUALLY GOT THE CAR TO A SAFE LOCATION AND PULLED THE TURBO AIR INTAKE TO I

    Typically appears around 50K miles. Repair cost ~$500

  • TRANSMISSION: Water Pump and thermostat has a faulty design that causes coolant to leak either around the O Ring and/or the elbow. I am in my third water pump and thermostat with only 69,000 miles on the vehicle. Issue appears to be common on the EA824 (4.0 twin turbo) engine with hundreds of reports from the c

    Typically appears around 50K miles. Repair cost ~$500

  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

Audi S8 — Year Comparison

How does 2015 compare to other years? Fewer complaints = more reliable.

Full years-to-avoid analysis →

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints
6
Recalls
0
Fire reports
0
Crash reports
0
Injury reports
0
Segment avg
80

Check a Specific VIN

See recalls for YOUR 2015 Audi S8