2002 Suzuki Grand Vitara Q&A
2002 Suzuki Grand Vitara Question: why does my car shake after driving 40 mph?
Even a small disturbance to your rims could cause pretty significant ride-quality problems. If you know the rims are bent, that's the most likely cause, but it's not necessarily 100%. A good technician could tell you very quickly whether it is or isn't by taking a look. - matte