Yes you've made the right decision!

There is no option in 3dsMax to instantly make cars. And no, 3dsMax is not easier to use than Blender. Yes there are more tutorials for 3dsMax and yes there are more people using 3dsMax than Blender, but is that really relevant?

Both programs require time to learn. A lot of time. Yes your car may look horrible on your first time, but they will also look like that in 3dsMax. There's not a tutorial in the world that is going to change that.
Just keep on trying you'll see that with each time it'll go better.