Buying a car doesn’t have to be such a nightmare, after all.

That’s the promise of CarWoo, a startup that looks to take the stressful negotiation tactics and pushy salespeople out of the equation, allowing consumers to buy their car online with a relatively small amount of hassle. Today the company is announcing that it’s closed a new $6 million funding round led by Interwest Partners, Comcast Ventures, Blumberg Capital, and Raymond Tonsing. The company has now raised over $12 million in total, after a $6 million round last year (it was also part of the Y Combinator class of summer 2009).

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