General Motors (NYSE:GM) saw its U.S. market share fall to historic lows last year -- just 17.9%, the lowest level for GM in 88 years. CEO Dan Akerson was candid about the cause: GM's product line was the oldest in the business, and more and more customers were looking elsewhere.

Now, GM is in the midst of a massive product offensive, with a slew of all-new cars and trucks headed to dealers. But will it be enough? In this video, Fool.com contributor John Rosevear looks at the state of GM's product-driven turnaround -- and at how GM's position in the American auto marketplace is shifting.

Fool contributor John Rosevear owns shares of Ford and General Motors. Follow him on Twitter at @jrosevear. The Motley Fool recommends Ford and General Motors. The Motley Fool owns shares of Ford. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.