2015 INFINITI QX80
2015 INFINITI QX80
Overview
The 2015 INFINITI QX80 is a full-size luxury SUV known for its powerful V8 engine and spacious interior, designed for comfortable long-distance travel and towing. As a large, body-on-frame SUV, it generally offers a robust platform. However, like any vehicle, it has specific areas where owners have reported issues. This analysis focuses on documented technical reliability concerns, excluding routine maintenance and normal wear and tear, to provide a clear picture of potential mechanical and electrical vulnerabilities for prospective buyers and current owners.
Engine
5.6L V8 (VK56VD)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Transmission
7-Speed Automatic (RE7R01A)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Suspension
Hydraulic Body-Based Suspension System
Hydraulic Leaks
- Symptoms: Vehicle leaning to one side, “Service Vehicle Soon” warning light, loss of ride height.
- Solution: Replacement of leaking hydraulic lines, accumulators, or pump.
- Cost: $500 - $1500
Electrical
Infotainment System
Screen Freezing/Unresponsiveness
- Symptoms: Navigation screen freezes, touch controls become unresponsive, audio system glitches.
- Solution: Software update or replacement of the infotainment control unit.
- Cost: $300 - $1200
Battery Drain
Premature Battery Failure
- Symptoms: Frequent dead batteries, electrical components malfunctioning intermittently.
- Solution: Diagnosis of parasitic draw, replacement of faulty module or battery.
- Cost: $200 - $600
Exterior
No Major Issues
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Interior
No Major Issues
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Summary Verdict
The 2015 INFINITI QX80 demonstrates strong reliability in its core powertrain components, with the 5.6L V8 engine and 7-speed automatic transmission generally performing without widespread issues. The primary areas of concern tend to be related to the advanced Hydraulic Body-Based Suspension System, which can develop leaks, and some electrical gremlins, particularly with the infotainment system and potential battery drain issues. While the exterior and interior are largely free from significant technical defects, owners should be aware of the potential costs associated with suspension repairs and electrical system diagnostics. Overall, it’s a dependable large SUV, but vigilance regarding these specific systems is advised.