2018 Audi Q7 Safety Report

2018 Audi Q7: Strong crash test scores overshadowed by significant engine and suspension reliability concerns.

134Complaints
3Recalls
★★★★★Safety Rating
65/100Reliability Score
3Crash Reports
3Injuries
Most reported components: Engine (27)Exterior Lighting (15)Suspension (13)Unknown Or Other (13)Steering (5)Electrical System (4)Power Train (4)Seat Belts (4)Service Brakes (4)Wheels (4)

AI Safety Analysis for the 2018 Audi Q7

The 2018 Audi Q7 presents a mixed safety picture. While it boasts strong crash test performance with an overall 5-star NHTSA rating, including 5 stars for side impact and 4 stars for frontal and rollover, its complaint data reveals several concerning patterns. With 134 total complaints, 3 crashes, and 3 injuries reported, there are clear areas of concern. The most prominent issue is related to the ENGINE, accounting for 27 complaints, frequently citing excessive oil consumption and catastrophic engine failures, some occurring at relatively low mileages (e.g., 68,000 to 86,000 miles). This suggests a potential design flaw with pistons or PCV valves, as indicated by multiple owner reports and even a mention of a class-action suit. Beyond engine issues, EXTERIOR LIGHTING (15 complaints) is a common nuisance, primarily involving 'side marker light defective' warnings, despite lights often appearing functional. SUSPENSION (13 complaints) is another significant area, with reports of broken coil springs, particularly in the rear, which poses a risk of loss of control. The vehicle has also been subject to three recalls, addressing critical safety concerns: a C-pillar padding issue increasing injury risk for unbelted occupants, a steering shaft bolt that could lead to a sudden loss of steering control, and a fuel rail leak increasing fire risk. While the recalls address specific defects, the high volume of engine and suspension complaints not directly covered by these recalls indicates broader reliability challenges. Overall, while the 2018 Audi Q7 performs well in controlled crash tests, the real-world complaint data points to significant reliability and potential safety issues, particularly with the engine and suspension components. The recalls are important, but the persistent, high-frequency complaints about engine oil consumption and failures suggest a fundamental flaw that owners should be aware of. The combination of excellent crash ratings and notable mechanical reliability concerns creates a dichotomy in its safety profile.

Reliability Score

The 2018 Audi Q7 receives a reliability score of 65 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 2018 Audi Q7

The following issues have been identified from NHTSA complaint data and owner reports for the 2018 Audi Q7:

IssueSeverityFrequencyTypical Mileage
Excessive Engine Oil Consumption / Catastrophic Engine Failure
Multiple complaints (27 related to ENGINE) detail excessive oil consumption leading to fouled spark plugs, misfires, and ultimately catastrophic engine failure due to defective pistons or PCV valves, often around 60,000-86,000 miles.
High Common 60000-90000 miles
Side Marker Light Defective Warning
Frequent complaints (15 related to EXTERIOR LIGHTING) about 'Left/Right Front side marker light defective' warnings appearing on the dashboard, even when the lights appear to be working or are dimly lit.
Low Common all miles
Broken Rear Coil Springs
Several complaints (13 related to SUSPENSION) report rear coil springs breaking, confirmed by dealers, posing a risk of suspension compromise and loss of control.
High Occasional unknown miles
Steering Shaft Bolt Loosening
Recall issued for a bolt connecting the steering shaft to the steering gear that may loosen, leading to a sudden loss of steering control and increased crash risk.
High Rare all miles
Fuel Rail Leak
Recall issued for left and right fuel rails that may leak fuel, increasing the risk of fire in the presence of an ignition source.
High Rare all miles
C-Pillar Padding Insufficiency
Recall issued for C-pillar padding that may not absorb enough impact in a crash, increasing injury risk for unbelted occupants.
Medium Rare all miles
Mmi System Malfunctions
Reports of the MMI infotainment system randomly shutting down and restarting, affecting radio, navigation, and vehicle settings.
Medium Occasional unknown miles
Drive System Malfunction / Loss Of Power
Complaints of 'Drive System Malfunction' warnings leading to sudden loss of power, reduced acceleration, and stalling, sometimes on highways.
High Occasional unknown miles

Common Problems Reported by Owners

Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2018 Audi Q7:

Engine 20% of complaints

Excessive oil consumption, piston issues, PCV valve failures, and catastrophic engine failures are frequently reported.

Exterior Lighting 11% of complaints

Persistent 'side marker light defective' warnings, often without actual light failure or with dim illumination.

Suspension 10% of complaints

Broken rear coil springs and leaking shocks are noted issues, impacting vehicle stability.

Steering 4% of complaints

Loss of steering control due to a loosening steering shaft bolt, addressed by a recall.

Fuel System, Gasoline 3% of complaints

Fuel rail leaks leading to fuel odor and fire risk, addressed by a recall.

Frequently Asked Questions About the 2018 Audi Q7

Is the 2018 Audi Q7 safe?

Based on NHTSA data, the 2018 Audi Q7 received excellent crash test ratings, including a 5-star overall safety rating. However, it has 134 total complaints, 3 crashes, and 3 injuries reported, with significant concerns regarding engine reliability (27 complaints) and suspension issues (13 complaints), alongside three safety recalls for steering, fuel system, and body structure.

What are common problems with the 2018 Audi Q7?

The most reported issues for the 2018 Audi Q7 are excessive engine oil consumption and catastrophic engine failures (27 complaints), 'side marker light defective' warnings (15 complaints), and broken rear coil springs (13 complaints). Other issues include MMI system malfunctions and 'Drive System Malfunction' warnings.

Are there any recalls for the 2018 Audi Q7?

Yes, the 2018 Audi Q7 has three recalls. These include a recall for C-pillar padding that may not absorb enough impact, a recall for a steering shaft bolt that could loosen and cause loss of steering, and a recall for fuel rails that may leak, increasing fire risk.

Does the 2018 Audi Q7 have engine problems?

Yes, the 2018 Audi Q7 has a notable pattern of engine problems, with 27 complaints. These frequently involve excessive oil consumption, often attributed to defective pistons or PCV valves, leading to misfires and, in several cases, catastrophic engine failure at mileages between 60,000 and 90,000.

How does the 2018 Audi Q7 perform in crash tests?

The 2018 Audi Q7 performs very well in NHTSA crash tests, earning an overall 5-star safety rating. It received 4 stars for frontal crash, 5 stars for side crash, and 4 stars for rollover resistance.

Buyer Advice

Our recommendation: While the 2018 Audi Q7 has strong crash test ratings, potential buyers should be aware of the significant reported engine issues (excessive oil consumption, failures) and suspension problems; a thorough pre-purchase inspection, especially of the engine and suspension, is highly recommended.

NHTSA Data Summary for 2018 Audi Q7

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2018 Audi Q7. The data includes 134 consumer complaints filed by vehicle owners, 3 manufacturer-initiated safety recalls, 3 reported crashes, 3 reported injuries, and safety rating assessments associated with this vehicle.

The NHTSA has assigned the 2018 Audi Q7 an overall safety rating of 5 out of 5 stars, with a frontal crash rating of 4 stars, a side crash rating of 5 stars, and a rollover rating of 4 stars. These ratings are determined through controlled crash testing conducted by the NHTSA.

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.