Currently, GM trades at 10.26x earnings, which is a discount to the 13.79 industry average, and only 1.37 to book. The price to sales is even lower at 0.28. While the operating margin isn’t particularly awe-inspiring at 4.67%, the return on equity is quite decent at 13.26%. The company moreover has almost $32 billion in cash. The stock is definitely cheaper than the world’s recently crowned largest automaker, Toyota (NYSE: TM). Toyota trades at 15x earnings. While its price to book is lower at 1.07, the Japanese carmaker has almost $150 billion worth of debt. "