Demand for Toyota’s hybrid models has soared over the past year. At the same time, some suppliers are facing shortages of important parts. There’s a particular shortage of magnets necessary for hybrid electric motors.

Soaring demand for Toyota's gasoline-electric hybrids has left suppliers struggling to keep pace, leading to shortages of parts and months-long waits for car buyers, according to four people familiar with the situation.

There are some heavy hitters in Toyota's lineup, all of which showcase the three main ingredients that Toyota is known for: affordability, reliability, and efficiency. Almost all Toyota cars are well-known in the car world,