Interference will not be an issue. I think they're 16x7", and I recall someone saying they had 255/50R16's or something like that. It was a 255 for sure anyways.
OOOOOOOOOOOORrrrrrrrrrrrrrrrrrrrrrr
You could shop around for a set of decent used 17" wheels and tires for probably the same cost as getting 4 new 16" tires. My $0.02