The Mercedes SLS AMG is already a fast, powerful car but this version takes things a bit farther. It's lighter and -- with 622 horsepower from its 6.3-liter V8 -- even quicker to take off. It can get from a stop to 60 miles an hour in just 3.5 seconds, according to Mercedes. It will go on sale in the summer.
Money magazine's Best Deals on Everything: Your guide to the latest bargains in used, new and leased cars.
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