I think the iPad will do well, i downloaded some different navigation apps and they seem to work really well. I need to find a mount for it though so i ordered one that looks pretty well and if that doesn't work out then ill probably just make one of ill just take the one that i ordered and then just modify it or something to make it what i want.
1994 K2500 Suburban 6.5 turbo diesel, 4l80e, 14bff, g80
2000 Ford F250, v10, 4x4
2010 Toyota Carolla S (My DD)
2013 Ford Fusion (Her DD)
1992 K2500 Suburban 454tbi, 4l80e, 14bff g80 (Sold but miss it)