turbo magazine (good read)
sport compact car (i have a subscription, love it. i like how it doesnt just stick to imports, it covers basically any sport compact wehther it be domestic, european, or asian)
import tuner (i let my subscription expire because i wasn't satisfied with it)
super street (event coverage second to none, adequate car coverage, funnier-than-average editors)
modified (look before you buy..covers everything but not always in the same issue so sometimes the issue may hardly be applicable to your interests)
performance auto & sound (love it, covers everything in every issue. great installs, great system advice & testing, great coverage of various types of vehicles..although the write-ups are average).
car audio & electronics (very good, mostly deals with sport compact cars but covers all vehicle types)
theres also a fairly new magazine for sport compacts by car and driver..although i forget its name. i bought the one with the widebody TRD
celica. it was pretty good i would say.