Problem Reports

heavy vibration begins over 60 and gets worse as speed increases - bought new tires, didn't help, double checked balance and alignment at two shops - didn't help - new front rotors and pads - didn't help. Next step is checking mounts -

We picked up a shimmy/vibration at 70 mph, and it was intermittent, sometimes to the point of slowing down to 20 mph to get it to stop. We thought it might be the roads, but we got all 4 tires replaced and the alignment done and no change. It's really bad in a side wind (this could be wind getting under the hood and yanking it around), but we're tired of spending money on it. Our tires also had severe wear on the outsides.

vibration at 55 mph,had tires ballanced and re-ballanced. Dealer cannot say for sure engine mounts will solve the problem. Said, best to live with the problem.

Between 55 and 60 there's a vibration in the front end. Had one way worse before (made the steering column vibrate too) but ended up being a rotor issue. This front end vibration is more annoying than anything else and a front end alignment did nothing.

After a rear end collision at 14450, then again at 28000 miles, engine mounts failed, rotors were damaged, axles and wheel bearings needed replacement as well. This time the vibration is felt from 10-80mph. New wheels & tires don't help.
Haven't yet replaced sway bars, but figure that and coilovers ought to do it.
At that point, I will have spent the cost of the car making it safe [and fun to drive] again. Any other tips to help me decide if I should go ahead or maybe just get a sturdier car?