Vehicle models with only 2 digits?

Vehicles models of only 2 digits don’t work correctly for me. It matches all vehicles with those two digits in them — example Acura TL matches Cutlass & Beetle. Acura EL matches Element, Elantra, Freelander, Relay, Celica. Ford GT matches Carerra GT. It is an issue with all 2-digit length vehicle models that the 2 letters are contained in other models – Pontiac G6 has no problem since a ‘g’ and a ‘6’ are not found next to each other in any other car models.

Is there something I should look at in my product restrictions CSV? If I can’t fix it, I may add an extra digit (such as underscore or whatever) to the end of all 2-digit models since that should be a usable workaround.