That was my point. The pentastar seems more like the 2GR that Toyota puts in the RX350, Sienna, Venza, Camry, Highlander, Sienna, and Rav4. I have a feeling that if you look at the stroke and bore of the Pentastar, it will come out in a ratio much more similar to the 2GR than the 1GR. Similar to the 1GR/2GR situation, the 2GR is much more important to Toyota's bottom line than the 1GR based on the ridiculous number of vehicles that utilize it.
Personally, something with the heft and off-road intentions of the 4Runner or JGC should have a bit more stroke to make torque down low. I believe the 2GR and 1GR have the exact same bore... the stroke makes up the displacement differences. I'd love to see a modern 4.0L I6 come back for the Wrangler and JGC, honestly. Give it dual VVT and you'd have a great engine.