Why does my car shake when i brake? There are several reasons why your car is losing power, especially when you are trying to get it to move faster. Why Is My Car Shaking When I Drive And What Do I Do Now - Cash Cars Buyer It gets worse around 60 mph but starts to get better at high speeds. My car shakes when i drive slow . When i apply the brakes the car shakes especially the sterring wheel. If you eliminate those, you can then look at the other possible issues. The drive shaft in a rear wheel drive vehicle transfers power from the motor to the rear axle. It is 100% not the tires already had that checked out. Check all tires for proper inflation. Your car may shake if you have trouble shifting gears. Make sure all your tire lug nuts are tight, your car will stop shaking when you slow down or speeding up. The probable cause could be either any of the suspension parts has become loose or worn out. Worn rotors are the most common cause of shaking while braking. ...