Where are you? Uplanders can still be converted. I looked at a couple of them last August with new conversions. There are different ways of converting also. Will she ride in her WC? If so, it will be expensive ($20k +) to lower the floor. The other option is looking for a good used converted van with lowered floor. There are many out there. I bought an 07 last year and saved abt $22k off the price of new.
If she will be riding in a passenger seat, just get a folding ramp like one of these:
http://www.sportaid.com/single-fold-wheelchair-ramp-with-carry-bag-6-x-30-by-drive-medical.html
http://www.sportaid.com/ez-access-suitcase-ramps-advantage-series.html
Then you can remove the middle or rear seat and put the chair in via the side or rear door. Cost to convert including tie downs should be well under $1000.
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Against logic there is no armor like ignorance.
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