Here are some 19x4.5" steel wheels in either 5x4.5 and 4.75 or 5x5 and 5.5.
$255 each though.
Hot Rod Steel - 19x4 1/2 Primed
Hot Rod Steel - 19x4 1/2 Primed
Here is the BMW 19x5 aluminum wheel for $202 but only for strange 5x120mm
aluminum-alloy-19x5-wheel-rim-59378
I beleive the some of the newer Range Rovers use a 19x5ish compact spare wheel but they are also the strange 5x120mm