A friend bought a G5RV Lite and has a Kenwood TS-480SAT, hoping the ATU in
the Kenwood would be able to tune all bands.
But only two bands would tune - 6m and 10m.

He then borrowed a G5RV Jr. Same results.

So question is does G5RV's in general require an external tuner with a wider
matching range than the typical internal ATU's in late model rigs??

The Shadow usually knows. (;-)