For our recent camping trip my list (car camping as well) was so long that my husband and his buddy were wondering if we'd need to get a TT just to haul it all. (the answer is no, it all fit in the back of our Tundra)
I compiled a list from various source online put it in an easy Excel spreadsheet and added my own flavor... We didn't forget any 'essentials' (ah, but my hubby's buddy did have to borrow a towel from me. LOL!) but there were a few 'nice to haves' that we could've brought with us.
Besides all the obvious I say bring extra firewood if you plan to stay up late or cook over the fire in the mornings. You generally can't gather wood at the parks and purchasing any is outrage once there.
Also, don't forget the bug spray (we got the kind with sunscreen built in). Citronella candles are also nice to place on your picnic table while eating.
And you may laugh but if you're camping with any women, bring an extra 5 gallon bucket! If the bathrooms are more than a stone's throw away she just might need it (and it's better safe than sorry.) I'm telling you after the 10th trip to the bathrooms and the 3rd in the dark I was happy to have that little bucket to rescue my daughter and I. Not to mention first thing in the morning!! woooweee! :eek: LOL! And that bucket is a heck of a lot cheaper than a porta-potty with no worries of chigger bites where there shouldn't be.
Anyway, given when you wrote this post I'm sure you've already compiled your list but maybe this will help someone else....
Happy Camping!