2015 Audi A8 Safety Report

2015 Audi A8 plagued by engine failures and multiple fire-risk fuel system recalls.

31Complaints
5Recalls
45/100Reliability Score
1Crash Reports
1Injuries
Most reported components: Engine (15)Service Brakes (2)Suspension,Electrical System,Forward Collision Avoidance (1)Visibility/Wiper (1)Structure,Visibility/Wiper (1)Unknown Or Other,Engine (1)Power Train (1)Power Train,Seats (1)Lane Departure,Forward Collision Avoidance (1)Air Bags (1)

AI Safety Analysis for the 2015 Audi A8

The 2015 Audi A8 presents a mixed safety picture, primarily due to significant engine-related issues despite a relatively low overall complaint count. With 31 total NHTSA complaints, the vehicle has been associated with 1 crash and 1 injury, but no reported fires or deaths. A major concern stems from the 'ENGINE' component, which accounts for 15 of the 31 complaints (48.4%). Many of these complaints detail sudden engine stalls and turbocharger failures, often occurring at highway speeds, which poses a severe safety risk as drivers report losing power in traffic or during passing maneuvers. Several complaints explicitly mention the car stalling and being unable to restart, with repair bills for turbocharger and engine replacement reaching thousands of dollars. Recall history for the 2015 Audi A8 is substantial, with 5 recalls issued. Notably, three of these recalls are directly related to fuel system components (fuel supply lines, fuel rails) that could leak, increasing the risk of fire. Another critical recall addresses the turbocharger oil supply strainer, which can become blocked and lead to turbocharger wear, potentially causing an engine stall. This recall directly correlates with the high number of engine/turbocharger failure complaints. A fifth recall involves the engine compartment seal, which could contact hot engine components and increase fire risk. NHTSA crash test ratings are not available for the 2015 Audi A8, making it difficult to assess its performance in controlled crash scenarios. However, the single reported injury in the complaint data, stemming from an airbag non-deployment in a rear-end collision, raises concerns about occupant protection systems. While the overall complaint volume is not exceptionally high for a luxury vehicle, the severity and pattern of engine failures and the multiple fire-risk recalls indicate significant safety vulnerabilities, particularly concerning engine reliability and potential fire hazards.

Reliability Score

The 2015 Audi A8 receives a reliability score of 45 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates average reliability — some notable concerns exist that prospective buyers should be aware of.

Known Issues for the 2015 Audi A8

The following issues have been identified from NHTSA complaint data and owner reports for the 2015 Audi A8:

IssueSeverityFrequencyTypical Mileage
Turbocharger Failure Leading To Engine Stall
Numerous complaints detail sudden turbocharger failure, often at highway speeds, causing complete engine stall and loss of power. This is a known issue with the 4.0T engine and is linked to a recall regarding the turbocharger oil supply strainer.
High Common 45000-70000 miles
Fuel Line/Rail Leaks
Multiple recalls (3 out of 5) address porous fuel supply lines and leaking fuel rails, which can lead to fuel leaks and significantly increase the risk of fire.
High Common N/A miles
Engine Compartment Seal Fire Risk
A recall indicates that the engine compartment seal may come loose and contact hot engine components, posing an increased risk of fire.
High Occasional N/A miles
Airbag Non-Deployment
One complaint reported an airbag failing to deploy in a rear-end collision, resulting in a head injury.
High Rare N/A miles
Brake Pedal/Gas Pedal Proximity
Some drivers report the brake and gas pedals being too close, leading to accidental braking while accelerating.
Medium Occasional N/A miles
Intermittent Braking Issues/Vibrations
Complaints describe the vehicle not stopping when the brake pedal is pushed at highway speeds, or severe vibrations when braking.
Medium Occasional 20000-30000 miles
Oil Separator Failure
Reported issues with oil separator failure causing loud whistling sounds and rough engine operation, requiring costly repairs despite a known TSB.
Medium Occasional N/A miles

Common Problems Reported by Owners

Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2015 Audi A8:

Engine 48% of complaints

The most prevalent issue, with 15 complaints, involves engine stalls, turbocharger failures, and related power loss, often occurring without warning at various speeds.

Fuel System, Gasoline 0% of complaints

While not a top complaint component, multiple recalls (3 out of 5) are related to fuel system leaks, indicating a significant design flaw with fire risk.

Service Brakes 6% of complaints

Two complaints mention issues with service brakes, including failure to stop at highway speeds and severe vibrations during braking.

Air Bags 3% of complaints

One complaint reported an airbag failing to deploy in a collision, leading to injury.

Forward Collision Avoidance 6% of complaints

Two complaints relate to the forward collision avoidance system, including non-functional warnings and sudden, unintended emergency braking.

Frequently Asked Questions About the 2015 Audi A8

Is the 2015 Audi A8 safe?

Based on NHTSA data, the 2015 Audi A8 has significant safety concerns, primarily due to a high number of engine-related complaints (15 out of 31 total) involving sudden stalls and turbocharger failures, which can be dangerous. Furthermore, there are 5 recalls, with 3 specifically addressing fuel system leaks that pose a fire risk. While crash test ratings are unavailable, the pattern of critical component failures and fire hazards suggests notable safety vulnerabilities.

What are common problems with the 2015 Audi A8?

The most reported issues for the 2015 Audi A8 revolve around the ENGINE, accounting for 48% of complaints. These frequently describe sudden engine stalls, turbocharger failures, and loss of power, often at highway speeds. Other problems include fuel system leaks (addressed by multiple recalls), issues with service brakes, and concerns with the forward collision avoidance system.

Are there any recalls for the 2015 Audi A8?

Yes, the 2015 Audi A8 has 5 recalls. These include recalls for the turbocharger oil supply strainer (risk of engine stall), the engine compartment seal (fire risk), and three separate recalls for fuel system components (fuel supply lines and fuel rails) that could leak and increase the risk of fire.

Does the 2015 Audi A8 have fire risks?

Yes, the 2015 Audi A8 has documented fire risks. Three of its five recalls are specifically related to fuel system components (fuel supply lines and fuel rails) that may become porous or leak, increasing the risk of fire in the presence of an ignition source. Additionally, one recall addresses an engine compartment seal that could contact hot engine components, also increasing fire risk.

How reliable is the 2015 Audi A8's engine?

The reliability of the 2015 Audi A8's engine, particularly the 4.0T variant, appears to be a significant concern. It is the most complained-about component, with 15 reports detailing sudden turbocharger failures and engine stalls, often at relatively low mileage. This is further supported by a recall addressing turbocharger issues, indicating a known design flaw.

Buyer Advice

Our recommendation: Given the high incidence of critical engine failures and multiple fire-risk recalls, prospective buyers should exercise extreme caution and ensure all recalls have been addressed, and consider a thorough pre-purchase inspection focusing on the engine and fuel system.

NHTSA Data Summary for 2015 Audi A8

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2015 Audi A8. The data includes 31 consumer complaints filed by vehicle owners, 5 manufacturer-initiated safety recalls, 1 reported crashes, 1 reported injuries, and safety rating assessments associated with this vehicle.

All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.

Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.