Infiniti QX80 vs. QX60: Frame and Unibody Straightening

The Infiniti QX80 is body-on-frame while the QX60, QX50 and Q50 are unibody. Here is how straightening differs between them.

Two Construction Methods in One Lineup

Infiniti's flagship QX80 uses body-on-frame construction, sharing its underpinnings with the Nissan Armada. Most other Infinitis, including the QX60, QX50, QX55 and Q50 sedan, are unibody vehicles. The straightening process is quite different for each.

Straightening a QX80

On the QX80, the body mounts to a separate ladder frame. After a collision, we measure the frame and the body mount locations separately. Frame rails may be straightened within manufacturer limits, and body mounts are inspected for damage. Because the QX80 is large and heavy, even moderate impacts can transfer significant force into the frame.

Straightening a Unibody Infiniti

For the QX60 and other unibody models, the structure is one integrated shell. We compare dozens of reference points to Infiniti's dimensional data and make controlled pulls where the procedure allows. High-strength steel parts outside repair limits are replaced or sectioned.

Signs of Structural Misalignment

  • Uneven gaps around doors, hood or liftgate
  • Steering wheel off-center after an alignment
  • Doors that close differently than before
  • Unusual tire wear

After Straightening

We fit panels, check alignment and calibrate ProPILOT Assist sensors as required.

Frequently Asked Questions

Is the QX80 harder to repair?

It is different, not necessarily harder. Its size and frame require specific equipment.

Can unibody damage be fully repaired?

Yes, when repaired to Infiniti's specifications.

How do I know if my Infiniti has structural damage?

A measurement on a frame bench is the only reliable way.

Learn about our frame repair services.

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